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Move revisions/autosave and post format functions from wp-includes/po…

…st.php into revision.php and post-formats.php.

git-svn-id: http://core.svn.wordpress.org/trunk@23466 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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1 parent 46a93b9 commit b88b1c1f53e67e76f4cafc93d7b77250c5e54de0 @nacin nacin committed Feb 21, 2013
Showing with 853 additions and 837 deletions.
  1. +5 −180 wp-includes/formatting.php
  2. +429 −0 wp-includes/post-formats.php
  3. +0 −657 wp-includes/post.php
  4. +417 −0 wp-includes/revision.php
  5. +2 −0 wp-settings.php
View
185 wp-includes/formatting.php
@@ -1799,181 +1799,6 @@ function convert_smilies($text) {
}
/**
- * Return the class for a post format content wrapper
- *
- * @since 3.6.0
- *
- * @param string $format
- */
-function get_post_format_content_class( $format ) {
- return apply_filters( 'post_format_content_class', 'post-format-content', $format );
-}
-
-/**
- * Ouput the class for a post format content wrapper
- *
- * @since 3.6.0
- *
- * @param string $format
- */
-function post_format_content_class( $format ) {
- echo get_post_format_content_class( $format );
-}
-
-/**
- * Provide fallback behavior for Posts that have associated post format
- *
- * @since 3.6.0
- *
- * @param string $content
- */
-function post_formats_compat( $content, $id = 0 ) {
- $post = empty( $id ) ? get_post() : get_post( $id );
- if ( empty( $post ) )
- return $content;
-
- $format = get_post_format( $post );
- if ( empty( $format ) || in_array( $format, array( 'status', 'aside', 'chat' ) ) )
- return $content;
-
- if ( current_theme_supports( 'post-formats', $format ) )
- return $content;
-
- $defaults = array(
- 'position' => 'after',
- 'tag' => 'div',
- 'class' => get_post_format_content_class( $format ),
- 'link_class' => '',
- 'image_class' => '',
- 'gallery' => '[gallery]',
- 'audio' => '',
- 'video' => ''
- );
-
- $args = apply_filters( 'post_format_compat', array() );
- $compat = wp_parse_args( $args, $defaults );
-
- $show_content = true;
- $format_output = '';
- $meta = get_post_format_meta( $post->ID );
-
- switch ( $format ) {
- case 'link':
- $compat['tag'] = '';
-
- if ( ! empty( $meta['url'] ) ) {
- $esc_url = preg_quote( $meta['url'], '#' );
- // Make sure the same URL isn't in the post (modified/extended versions allowed)
- if ( ! preg_match( '#' . $esc_url . '[^/&\?]#', $content ) ) {
- $format_output .= sprintf(
- '<a %shref="%s">%s</a>',
- empty( $compat['link_class'] ) ? '' : sprintf( 'class="%s" ', esc_attr( $compat['link_class'] ) ),
- esc_url( $meta['url'] ),
- empty( $post->post_title ) ? esc_url( $meta['url'] ) : apply_filters( 'the_title', $post->post_title )
- );
- }
- }
- break;
-
- case 'quote':
- if ( ! empty( $meta['quote'] ) && ! stristr( $content, $meta['quote'] ) ) {
- $format_output .= sprintf( '<blockquote>%s</blockquote>', $meta['quote'] );
- if ( ! empty( $meta['quote_source'] ) ) {
- $format_output .= sprintf(
- '<cite>%s</cite>',
- ! empty( $meta['url'] ) ?
- sprintf( '<a href="%s">%s</a>', esc_url( $meta['url'] ), $meta['quote_source'] ) :
- $meta['quote_source']
- );
- }
- }
- break;
-
- case 'image':
- if ( ! empty( $meta['image'] ) ) {
- $image = is_numeric( $meta['image'] ) ? wp_get_attachment_url( $meta['image'] ) : $meta['image'];
-
- if ( ! empty( $image ) && ! stristr( $content, $image ) ) {
- $image_html = sprintf(
- '<img %ssrc="%s" alt="" />',
- empty( $compat['image_class'] ) ? '' : sprintf( 'class="%s" ', esc_attr( $compat['image_class'] ) ),
- $image
- );
- if ( empty( $meta['url'] ) ) {
- $format_output .= $image_html;
- } else {
- $format_output .= sprintf(
- '<a href="%s">%s</a>',
- esc_url( $meta['url'] ),
- $image_html
- );
- }
- }
- }
- break;
-
- case 'gallery':
- preg_match_all( '/' . get_shortcode_regex() . '/s', $content, $matches );
- if ( ! empty( $matches ) && isset( $matches[2] ) ) {
- foreach ( (array) $matches[2] as $match ) {
- if ( 'gallery' === $match )
- break 2; // foreach + case
- }
- }
-
- if ( empty( $meta['gallery'] ) && ! empty( $compat['gallery'] ) ) {
- $format_output .= $compat['gallery'];
- } elseif ( ! empty( $meta['gallery'] ) ) {
- $format_output .= $meta['gallery'];
- }
- break;
-
- case 'video':
- case 'audio':
- $shortcode_regex = '/' . get_shortcode_regex() . '/s';
- $matches = preg_match( $shortcode_regex, $content );
- if ( ! $matches || $format !== $matches[2] ) {
- if ( empty( $meta['media'] ) && ! empty( $compat[$format] ) ) {
- $format_output .= $compat[$format];
- } elseif ( ! empty( $meta['media'] ) ) {
- // the metadata is a shortcode or an embed code
- if ( preg_match( $shortcode_regex, $meta['media'] ) || preg_match( '#<[^>]+>#', $meta['media'] ) ) {
- $format_output .= $meta['media'];
- } elseif ( ! stristr( $content, $meta['media'] ) ) {
- // attempt to embed the URL
- $format_output .= sprintf( '[embed]%s[/embed]', $meta['media'] );
- }
- }
- }
- break;
- default:
- return $content;
- break;
- }
-
- if ( empty( $format_output ) )
- return $content;
-
- $output = '';
-
- if ( ! empty( $content ) && $show_content && 'before' !== $compat['position'] )
- $output .= $content . PHP_EOL . PHP_EOL;
-
- if ( ! empty( $compat['tag'] ) )
- $output .= sprintf( '<%s class="%s">', tag_escape( $compat['tag'] ), esc_attr( $compat['class'] ) );
-
- $output .= $format_output;
-
- if ( ! empty( $compat['tag'] ) )
- $output .= sprintf( '</%s>', tag_escape( $compat['tag'] ) );
-
- if ( ! empty( $content ) && $show_content && 'before' === $compat['position'] )
- $output .= PHP_EOL . PHP_EOL . $content;
-
- return $output;
-}
-
-/**
* Verifies that an email is valid.
*
* Does not grok i18n domains. Not RFC compliant.
@@ -3531,7 +3356,7 @@ function sanitize_trackback_urls( $to_ping ) {
* @return string|array Slashed $value
*/
function wp_slash( $value ) {
- if ( is_array( $value ) ) {
+ if ( is_array( $value ) ) {
foreach ( $value as $k => $v ) {
if ( is_array( $v ) ) {
$value[$k] = wp_slash( $v );
@@ -3540,10 +3365,10 @@ function wp_slash( $value ) {
}
}
} else {
- $value = addslashes( $value );
- }
+ $value = addslashes( $value );
+ }
- return $value;
+ return $value;
}
/**
@@ -3562,5 +3387,5 @@ function wp_slash( $value ) {
* @return string|array Unslashed $value
*/
function wp_unslash( $value ) {
- return stripslashes_deep( $value );
+ return stripslashes_deep( $value );
}
View
429 wp-includes/post-formats.php
@@ -0,0 +1,429 @@
+<?php
+/**
+ * Post format functions.
+ *
+ * @package WordPress
+ * @subpackage Post
+ */
+
+/**
+ * Retrieve the format slug for a post
+ *
+ * @since 3.1.0
+ *
+ * @param int|object $post A post
+ *
+ * @return mixed The format if successful. False if no format is set. WP_Error if errors.
+ */
+function get_post_format( $post = null ) {
+ $post = get_post($post);
+
+ if ( ! post_type_supports( $post->post_type, 'post-formats' ) )
+ return false;
+
+ $_format = get_the_terms( $post->ID, 'post_format' );
+
+ if ( empty( $_format ) )
+ return false;
+
+ $format = array_shift( $_format );
+
+ return ( str_replace('post-format-', '', $format->slug ) );
+}
+
+/**
+ * Check if a post has a particular format
+ *
+ * @since 3.1.0
+ * @uses has_term()
+ *
+ * @param string $format The format to check for
+ * @param object|id $post The post to check. If not supplied, defaults to the current post if used in the loop.
+ * @return bool True if the post has the format, false otherwise.
+ */
+function has_post_format( $format, $post = null ) {
+ return has_term('post-format-' . sanitize_key($format), 'post_format', $post);
+}
+
+/**
+ * Assign a format to a post
+ *
+ * @since 3.1.0
+ *
+ * @param int|object $post The post for which to assign a format
+ * @param string $format A format to assign. Use an empty string or array to remove all formats from the post.
+ * @return mixed WP_Error on error. Array of affected term IDs on success.
+ */
+function set_post_format( $post, $format ) {
+ $post = get_post($post);
+
+ if ( empty($post) )
+ return new WP_Error('invalid_post', __('Invalid post'));
+
+ if ( !empty($format) ) {
+ $format = sanitize_key($format);
+ if ( 'standard' == $format || !in_array( $format, array_keys( get_post_format_slugs() ) ) )
+ $format = '';
+ else
+ $format = 'post-format-' . $format;
+ }
+
+ return wp_set_post_terms($post->ID, $format, 'post_format');
+}
+
+/**
+ * Retrieve post format metadata for a post
+ *
+ * @since 3.6.0
+ *
+ * @param int $post_id
+ * @return null
+ */
+function get_post_format_meta( $post_id = 0 ) {
+ $values = array(
+ 'quote' => '',
+ 'quote_source' => '',
+ 'image' => '',
+ 'url' => '',
+ 'gallery' => '',
+ 'media' => '',
+ );
+
+ foreach ( $values as $key => $value )
+ $values[$key] = get_post_meta( $post_id, '_wp_format_' . $key, true );
+
+ return $values;
+}
+
+/**
+ * Returns an array of post format slugs to their translated and pretty display versions
+ *
+ * @since 3.1.0
+ *
+ * @return array The array of translations
+ */
+function get_post_format_strings() {
+ $strings = array(
+ 'standard' => _x( 'Standard', 'Post format' ), // Special case. any value that evals to false will be considered standard
+ 'aside' => _x( 'Aside', 'Post format' ),
+ 'chat' => _x( 'Chat', 'Post format' ),
+ 'gallery' => _x( 'Gallery', 'Post format' ),
+ 'link' => _x( 'Link', 'Post format' ),
+ 'image' => _x( 'Image', 'Post format' ),
+ 'quote' => _x( 'Quote', 'Post format' ),
+ 'status' => _x( 'Status', 'Post format' ),
+ 'video' => _x( 'Video', 'Post format' ),
+ 'audio' => _x( 'Audio', 'Post format' ),
+ );
+ return $strings;
+}
+
+/**
+ * Retrieves an array of post format slugs.
+ *
+ * @since 3.1.0
+ *
+ * @return array The array of post format slugs.
+ */
+function get_post_format_slugs() {
+ $slugs = array_keys( get_post_format_strings() );
+ return array_combine( $slugs, $slugs );
+}
+
+/**
+ * Returns a pretty, translated version of a post format slug
+ *
+ * @since 3.1.0
+ *
+ * @param string $slug A post format slug
+ * @return string The translated post format name
+ */
+function get_post_format_string( $slug ) {
+ $strings = get_post_format_strings();
+ if ( !$slug )
+ return $strings['standard'];
+ else
+ return ( isset( $strings[$slug] ) ) ? $strings[$slug] : '';
+}
+
+/**
+ * Returns a link to a post format index.
+ *
+ * @since 3.1.0
+ *
+ * @param string $format Post format
+ * @return string Link
+ */
+function get_post_format_link( $format ) {
+ $term = get_term_by('slug', 'post-format-' . $format, 'post_format' );
+ if ( ! $term || is_wp_error( $term ) )
+ return false;
+ return get_term_link( $term );
+}
+
+/**
+ * Filters the request to allow for the format prefix.
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _post_format_request( $qvs ) {
+ if ( ! isset( $qvs['post_format'] ) )
+ return $qvs;
+ $slugs = get_post_format_slugs();
+ if ( isset( $slugs[ $qvs['post_format'] ] ) )
+ $qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
+ $tax = get_taxonomy( 'post_format' );
+ if ( ! is_admin() )
+ $qvs['post_type'] = $tax->object_type;
+ return $qvs;
+}
+add_filter( 'request', '_post_format_request' );
+
+/**
+ * Filters the post format term link to remove the format prefix.
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _post_format_link( $link, $term, $taxonomy ) {
+ global $wp_rewrite;
+ if ( 'post_format' != $taxonomy )
+ return $link;
+ if ( $wp_rewrite->get_extra_permastruct( $taxonomy ) ) {
+ return str_replace( "/{$term->slug}", '/' . str_replace( 'post-format-', '', $term->slug ), $link );
+ } else {
+ $link = remove_query_arg( 'post_format', $link );
+ return add_query_arg( 'post_format', str_replace( 'post-format-', '', $term->slug ), $link );
+ }
+}
+add_filter( 'term_link', '_post_format_link', 10, 3 );
+
+/**
+ * Remove the post format prefix from the name property of the term object created by get_term().
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _post_format_get_term( $term ) {
+ if ( isset( $term->slug ) ) {
+ $term->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+ }
+ return $term;
+}
+add_filter( 'get_post_format', '_post_format_get_term' );
+
+/**
+ * Remove the post format prefix from the name property of the term objects created by get_terms().
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _post_format_get_terms( $terms, $taxonomies, $args ) {
+ if ( in_array( 'post_format', (array) $taxonomies ) ) {
+ if ( isset( $args['fields'] ) && 'names' == $args['fields'] ) {
+ foreach( $terms as $order => $name ) {
+ $terms[$order] = get_post_format_string( str_replace( 'post-format-', '', $name ) );
+ }
+ } else {
+ foreach ( (array) $terms as $order => $term ) {
+ if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
+ $terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+ }
+ }
+ }
+ }
+ return $terms;
+}
+add_filter( 'get_terms', '_post_format_get_terms', 10, 3 );
+
+/**
+ * Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _post_format_wp_get_object_terms( $terms ) {
+ foreach ( (array) $terms as $order => $term ) {
+ if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
+ $terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+ }
+ }
+ return $terms;
+}
+add_filter( 'wp_get_object_terms', '_post_format_wp_get_object_terms' );
+
+/**
+ * Return the class for a post format content wrapper
+ *
+ * @since 3.6.0
+ *
+ * @param string $format
+ */
+function get_post_format_content_class( $format ) {
+ return apply_filters( 'post_format_content_class', 'post-format-content', $format );
+}
+
+/**
+ * Ouput the class for a post format content wrapper
+ *
+ * @since 3.6.0
+ *
+ * @param string $format
+ */
+function post_format_content_class( $format ) {
+ echo get_post_format_content_class( $format );
+}
+
+/**
+ * Provide fallback behavior for Posts that have associated post format
+ *
+ * @since 3.6.0
+ *
+ * @param string $content
+ */
+function post_formats_compat( $content, $id = 0 ) {
+ $post = empty( $id ) ? get_post() : get_post( $id );
+ if ( empty( $post ) )
+ return $content;
+
+ $format = get_post_format( $post );
+ if ( empty( $format ) || in_array( $format, array( 'status', 'aside', 'chat' ) ) )
+ return $content;
+
+ if ( current_theme_supports( 'post-formats', $format ) )
+ return $content;
+
+ $defaults = array(
+ 'position' => 'after',
+ 'tag' => 'div',
+ 'class' => get_post_format_content_class( $format ),
+ 'link_class' => '',
+ 'image_class' => '',
+ 'gallery' => '[gallery]',
+ 'audio' => '',
+ 'video' => ''
+ );
+
+ $args = apply_filters( 'post_format_compat', array() );
+ $compat = wp_parse_args( $args, $defaults );
+
+ $show_content = true;
+ $format_output = '';
+ $meta = get_post_format_meta( $post->ID );
+
+ switch ( $format ) {
+ case 'link':
+ $compat['tag'] = '';
+
+ if ( ! empty( $meta['url'] ) ) {
+ $esc_url = preg_quote( $meta['url'], '#' );
+ // Make sure the same URL isn't in the post (modified/extended versions allowed)
+ if ( ! preg_match( '#' . $esc_url . '[^/&\?]#', $content ) ) {
+ $format_output .= sprintf(
+ '<a %shref="%s">%s</a>',
+ empty( $compat['link_class'] ) ? '' : sprintf( 'class="%s" ', esc_attr( $compat['link_class'] ) ),
+ esc_url( $meta['url'] ),
+ empty( $post->post_title ) ? esc_url( $meta['url'] ) : apply_filters( 'the_title', $post->post_title )
+ );
+ }
+ }
+ break;
+
+ case 'quote':
+ if ( ! empty( $meta['quote'] ) && ! stristr( $content, $meta['quote'] ) ) {
+ $format_output .= sprintf( '<blockquote>%s</blockquote>', $meta['quote'] );
+ if ( ! empty( $meta['quote_source'] ) ) {
+ $format_output .= sprintf(
+ '<cite>%s</cite>',
+ ! empty( $meta['url'] ) ?
+ sprintf( '<a href="%s">%s</a>', esc_url( $meta['url'] ), $meta['quote_source'] ) :
+ $meta['quote_source']
+ );
+ }
+ }
+ break;
+
+ case 'image':
+ if ( ! empty( $meta['image'] ) ) {
+ $image = is_numeric( $meta['image'] ) ? wp_get_attachment_url( $meta['image'] ) : $meta['image'];
+
+ if ( ! empty( $image ) && ! stristr( $content, $image ) ) {
+ $image_html = sprintf(
+ '<img %ssrc="%s" alt="" />',
+ empty( $compat['image_class'] ) ? '' : sprintf( 'class="%s" ', esc_attr( $compat['image_class'] ) ),
+ $image
+ );
+ if ( empty( $meta['url'] ) ) {
+ $format_output .= $image_html;
+ } else {
+ $format_output .= sprintf(
+ '<a href="%s">%s</a>',
+ esc_url( $meta['url'] ),
+ $image_html
+ );
+ }
+ }
+ }
+ break;
+
+ case 'gallery':
+ preg_match_all( '/' . get_shortcode_regex() . '/s', $content, $matches );
+ if ( ! empty( $matches ) && isset( $matches[2] ) ) {
+ foreach ( (array) $matches[2] as $match ) {
+ if ( 'gallery' === $match )
+ break 2; // foreach + case
+ }
+ }
+
+ if ( empty( $meta['gallery'] ) && ! empty( $compat['gallery'] ) ) {
+ $format_output .= $compat['gallery'];
+ } elseif ( ! empty( $meta['gallery'] ) ) {
+ $format_output .= $meta['gallery'];
+ }
+ break;
+
+ case 'video':
+ case 'audio':
+ $shortcode_regex = '/' . get_shortcode_regex() . '/s';
+ $matches = preg_match( $shortcode_regex, $content );
+ if ( ! $matches || $format !== $matches[2] ) {
+ if ( empty( $meta['media'] ) && ! empty( $compat[$format] ) ) {
+ $format_output .= $compat[$format];
+ } elseif ( ! empty( $meta['media'] ) ) {
+ // the metadata is a shortcode or an embed code
+ if ( preg_match( $shortcode_regex, $meta['media'] ) || preg_match( '#<[^>]+>#', $meta['media'] ) ) {
+ $format_output .= $meta['media'];
+ } elseif ( ! stristr( $content, $meta['media'] ) ) {
+ // attempt to embed the URL
+ $format_output .= sprintf( '[embed]%s[/embed]', $meta['media'] );
+ }
+ }
+ }
+ break;
+ default:
+ return $content;
+ break;
+ }
+
+ if ( empty( $format_output ) )
+ return $content;
+
+ $output = '';
+
+ if ( ! empty( $content ) && $show_content && 'before' !== $compat['position'] )
+ $output .= $content . PHP_EOL . PHP_EOL;
+
+ if ( ! empty( $compat['tag'] ) )
+ $output .= sprintf( '<%s class="%s">', tag_escape( $compat['tag'] ), esc_attr( $compat['class'] ) );
+
+ $output .= $format_output;
+
+ if ( ! empty( $compat['tag'] ) )
+ $output .= sprintf( '</%s>', tag_escape( $compat['tag'] ) );
+
+ if ( ! empty( $content ) && $show_content && 'before' === $compat['position'] )
+ $output .= PHP_EOL . PHP_EOL . $content;
+
+ return $output;
+}
View
657 wp-includes/post.php
@@ -754,71 +754,6 @@ function get_post_mime_type($ID = '') {
}
/**
- * Retrieve the format slug for a post
- *
- * @since 3.1.0
- *
- * @param int|object $post A post
- *
- * @return mixed The format if successful. False if no format is set. WP_Error if errors.
- */
-function get_post_format( $post = null ) {
- $post = get_post($post);
-
- if ( ! post_type_supports( $post->post_type, 'post-formats' ) )
- return false;
-
- $_format = get_the_terms( $post->ID, 'post_format' );
-
- if ( empty( $_format ) )
- return false;
-
- $format = array_shift( $_format );
-
- return ( str_replace('post-format-', '', $format->slug ) );
-}
-
-/**
- * Check if a post has a particular format
- *
- * @since 3.1.0
- * @uses has_term()
- *
- * @param string $format The format to check for
- * @param object|id $post The post to check. If not supplied, defaults to the current post if used in the loop.
- * @return bool True if the post has the format, false otherwise.
- */
-function has_post_format( $format, $post = null ) {
- return has_term('post-format-' . sanitize_key($format), 'post_format', $post);
-}
-
-/**
- * Assign a format to a post
- *
- * @since 3.1.0
- *
- * @param int|object $post The post for which to assign a format
- * @param string $format A format to assign. Use an empty string or array to remove all formats from the post.
- * @return mixed WP_Error on error. Array of affected term IDs on success.
- */
-function set_post_format( $post, $format ) {
- $post = get_post($post);
-
- if ( empty($post) )
- return new WP_Error('invalid_post', __('Invalid post'));
-
- if ( !empty($format) ) {
- $format = sanitize_key($format);
- if ( 'standard' == $format || !in_array( $format, array_keys( get_post_format_slugs() ) ) )
- $format = '';
- else
- $format = 'post-format-' . $format;
- }
-
- return wp_set_post_terms($post->ID, $format, 'post_format');
-}
-
-/**
* Retrieve the post status based on the Post ID.
*
* If the post ID is of an attachment, then the parent post status will be given
@@ -1951,30 +1886,6 @@ function get_post_custom_values( $key = '', $post_id = 0 ) {
}
/**
- * Retrieve post format metadata for a post
- *
- * @since 3.6.0
- *
- * @param int $post_id
- * @return null
- */
-function get_post_format_meta( $post_id = 0 ) {
- $values = array(
- 'quote' => '',
- 'quote_source' => '',
- 'image' => '',
- 'url' => '',
- 'gallery' => '',
- 'media' => '',
- );
-
- foreach ( $values as $key => $value )
- $values[$key] = get_post_meta( $post_id, '_wp_format_' . $key, true );
-
- return $values;
-}
-
-/**
* Check if post is sticky.
*
* Sticky posts should remain at the top of The Loop. If the post ID is not
@@ -4950,416 +4861,6 @@ function _publish_post_hook($post_id) {
}
/**
- * Determines which fields of posts are to be saved in revisions.
- *
- * Does two things. If passed a post *array*, it will return a post array ready
- * to be inserted into the posts table as a post revision. Otherwise, returns
- * an array whose keys are the post fields to be saved for post revisions.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- * @access private
- * @uses apply_filters() Calls '_wp_post_revision_fields' on 'title', 'content' and 'excerpt' fields.
- *
- * @param array $post Optional a post array to be processed for insertion as a post revision.
- * @param bool $autosave optional Is the revision an autosave?
- * @return array Post array ready to be inserted as a post revision or array of fields that can be versioned.
- */
-function _wp_post_revision_fields( $post = null, $autosave = false ) {
- static $fields = false;
-
- if ( !$fields ) {
- // Allow these to be versioned
- $fields = array(
- 'post_title' => __( 'Title' ),
- 'post_content' => __( 'Content' ),
- 'post_excerpt' => __( 'Excerpt' ),
- );
-
- // Runs only once
- $fields = apply_filters( '_wp_post_revision_fields', $fields );
-
- // WP uses these internally either in versioning or elsewhere - they cannot be versioned
- foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect )
- unset( $fields[$protect] );
- }
-
- if ( !is_array($post) )
- return $fields;
-
- $return = array();
- foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field )
- $return[$field] = $post[$field];
-
- $return['post_parent'] = $post['ID'];
- $return['post_status'] = 'inherit';
- $return['post_type'] = 'revision';
- $return['post_name'] = $autosave ? "$post[ID]-autosave" : "$post[ID]-revision";
- $return['post_date'] = isset($post['post_modified']) ? $post['post_modified'] : '';
- $return['post_date_gmt'] = isset($post['post_modified_gmt']) ? $post['post_modified_gmt'] : '';
-
- return $return;
-}
-
-/**
- * Saves an already existing post as a post revision.
- *
- * Typically used immediately prior to post updates.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses _wp_put_post_revision()
- *
- * @param int $post_id The ID of the post to save as a revision.
- * @return mixed Null or 0 if error, new revision ID, if success.
- */
-function wp_save_post_revision( $post_id, $new_data = null ) {
- // We do autosaves manually with wp_create_post_autosave()
- if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
- return;
-
- // WP_POST_REVISIONS = 0, false
- if ( ! WP_POST_REVISIONS )
- return;
-
- if ( !$post = get_post( $post_id, ARRAY_A ) )
- return;
-
- if ( 'auto-draft' == $post['post_status'] )
- return;
-
- if ( !post_type_supports($post['post_type'], 'revisions') )
- return;
-
- // if new data is supplied, check that it is different from last saved revision, unless a plugin tells us to always save regardless
- if ( apply_filters( 'wp_save_post_revision_check_for_changes', true, $post, $new_data ) && is_array( $new_data ) ) {
- $post_has_changed = false;
- foreach ( array_keys( _wp_post_revision_fields() ) as $field ) {
- if ( normalize_whitespace( $new_data[ $field ] ) != normalize_whitespace( $post[ $field ] ) ) {
- $post_has_changed = true;
- break;
- }
- }
- //don't save revision if post unchanged
- if( ! $post_has_changed )
- return;
- }
-
- $return = _wp_put_post_revision( $post );
-
- // WP_POST_REVISIONS = true (default), -1
- if ( !is_numeric( WP_POST_REVISIONS ) || WP_POST_REVISIONS < 0 )
- return $return;
-
- // all revisions and (possibly) one autosave
- $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) );
-
- // WP_POST_REVISIONS = (int) (# of autosaves to save)
- $delete = count($revisions) - WP_POST_REVISIONS;
-
- if ( $delete < 1 )
- return $return;
-
- $revisions = array_slice( $revisions, 0, $delete );
-
- for ( $i = 0; isset($revisions[$i]); $i++ ) {
- if ( false !== strpos( $revisions[$i]->post_name, 'autosave' ) )
- continue;
- wp_delete_post_revision( $revisions[$i]->ID );
- }
-
- return $return;
-}
-
-/**
- * Retrieve the autosaved data of the specified post.
- *
- * Returns a post object containing the information that was autosaved for the
- * specified post.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param int $post_id The post ID.
- * @return object|bool The autosaved data or false on failure or when no autosave exists.
- */
-function wp_get_post_autosave( $post_id ) {
-
- if ( !$post = get_post( $post_id ) )
- return false;
-
- $q = array(
- 'name' => "{$post->ID}-autosave",
- 'post_parent' => $post->ID,
- 'post_type' => 'revision',
- 'post_status' => 'inherit'
- );
-
- // Use WP_Query so that the result gets cached
- $autosave_query = new WP_Query;
-
- add_action( 'parse_query', '_wp_get_post_autosave_hack' );
- $autosave = $autosave_query->query( $q );
- remove_action( 'parse_query', '_wp_get_post_autosave_hack' );
-
- if ( $autosave && is_array($autosave) && is_object($autosave[0]) )
- return $autosave[0];
-
- return false;
-}
-
-/**
- * Internally used to hack WP_Query into submission.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param object $query WP_Query object
- */
-function _wp_get_post_autosave_hack( $query ) {
- $query->is_single = false;
-}
-
-/**
- * Determines if the specified post is a revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param int|object $post Post ID or post object.
- * @return bool|int False if not a revision, ID of revision's parent otherwise.
- */
-function wp_is_post_revision( $post ) {
- if ( !$post = wp_get_post_revision( $post ) )
- return false;
- return (int) $post->post_parent;
-}
-
-/**
- * Determines if the specified post is an autosave.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param int|object $post Post ID or post object.
- * @return bool|int False if not a revision, ID of autosave's parent otherwise
- */
-function wp_is_post_autosave( $post ) {
- if ( !$post = wp_get_post_revision( $post ) )
- return false;
- if ( "{$post->post_parent}-autosave" !== $post->post_name )
- return false;
- return (int) $post->post_parent;
-}
-
-/**
- * Inserts post data into the posts table as a post revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses wp_insert_post()
- *
- * @param int|object|array $post Post ID, post object OR post array.
- * @param bool $autosave Optional. Is the revision an autosave?
- * @return mixed Null or 0 if error, new revision ID if success.
- */
-function _wp_put_post_revision( $post = null, $autosave = false ) {
- if ( is_object($post) )
- $post = get_object_vars( $post );
- elseif ( !is_array($post) )
- $post = get_post($post, ARRAY_A);
- if ( !$post || empty($post['ID']) )
- return;
-
- if ( isset($post['post_type']) && 'revision' == $post['post_type'] )
- return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) );
-
- $post = _wp_post_revision_fields( $post, $autosave );
-
- $revision_id = wp_insert_post( $post );
- if ( is_wp_error($revision_id) )
- return $revision_id;
-
- if ( $revision_id )
- do_action( '_wp_put_post_revision', $revision_id );
- return $revision_id;
-}
-
-/**
- * Gets a post revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses get_post()
- *
- * @param int|object $post Post ID or post object
- * @param string $output Optional. OBJECT, ARRAY_A, or ARRAY_N.
- * @param string $filter Optional sanitation filter. @see sanitize_post()
- * @return mixed Null if error or post object if success
- */
-function wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') {
- $null = null;
- if ( !$revision = get_post( $post, OBJECT, $filter ) )
- return $revision;
- if ( 'revision' !== $revision->post_type )
- return $null;
-
- if ( $output == OBJECT ) {
- return $revision;
- } elseif ( $output == ARRAY_A ) {
- $_revision = get_object_vars($revision);
- return $_revision;
- } elseif ( $output == ARRAY_N ) {
- $_revision = array_values(get_object_vars($revision));
- return $_revision;
- }
-
- return $revision;
-}
-
-/**
- * Restores a post to the specified revision.
- *
- * Can restore a past revision using all fields of the post revision, or only selected fields.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses wp_get_post_revision()
- * @uses wp_update_post()
- * @uses do_action() Calls 'wp_restore_post_revision' on post ID and revision ID if wp_update_post()
- * is successful.
- *
- * @param int|object $revision_id Revision ID or revision object.
- * @param array $fields Optional. What fields to restore from. Defaults to all.
- * @return mixed Null if error, false if no fields to restore, (int) post ID if success.
- */
-function wp_restore_post_revision( $revision_id, $fields = null ) {
- if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) )
- return $revision;
-
- if ( !is_array( $fields ) )
- $fields = array_keys( _wp_post_revision_fields() );
-
- $update = array();
- foreach( array_intersect( array_keys( $revision ), $fields ) as $field )
- $update[$field] = $revision[$field];
-
- if ( !$update )
- return false;
-
- $update['ID'] = $revision['post_parent'];
-
- $post_id = wp_update_post( $update );
- if ( is_wp_error( $post_id ) )
- return $post_id;
-
- if ( $post_id )
- do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] );
-
- return $post_id;
-}
-
-/**
- * Deletes a revision.
- *
- * Deletes the row from the posts table corresponding to the specified revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses wp_get_post_revision()
- * @uses wp_delete_post()
- *
- * @param int|object $revision_id Revision ID or revision object.
- * @return mixed Null or WP_Error if error, deleted post if success.
- */
-function wp_delete_post_revision( $revision_id ) {
- if ( !$revision = wp_get_post_revision( $revision_id ) )
- return $revision;
-
- $delete = wp_delete_post( $revision->ID );
- if ( is_wp_error( $delete ) )
- return $delete;
-
- if ( $delete )
- do_action( 'wp_delete_post_revision', $revision->ID, $revision );
-
- return $delete;
-}
-
-/**
- * Returns all revisions of specified post.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses get_children()
- *
- * @param int|object $post_id Post ID or post object
- * @return array empty if no revisions
- */
-function wp_get_post_revisions( $post_id = 0, $args = null ) {
- if ( ! WP_POST_REVISIONS )
- return array();
- if ( ( !$post = get_post( $post_id ) ) || empty( $post->ID ) )
- return array();
-
- $defaults = array( 'order' => 'DESC', 'orderby' => 'date' );
- $args = wp_parse_args( $args, $defaults );
- $args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit' ) );
-
- if ( !$revisions = get_children( $args ) )
- return array();
- return $revisions;
-}
-
-function _set_preview($post) {
-
- if ( ! is_object($post) )
- return $post;
-
- $preview = wp_get_post_autosave($post->ID);
-
- if ( ! is_object($preview) )
- return $post;
-
- $preview = sanitize_post($preview);
-
- $post->post_content = $preview->post_content;
- $post->post_title = $preview->post_title;
- $post->post_excerpt = $preview->post_excerpt;
-
- return $post;
-}
-
-function _show_post_preview() {
-
- if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {
- $id = (int) $_GET['preview_id'];
-
- if ( false == wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) )
- wp_die( __('You do not have permission to preview drafts.') );
-
- add_filter('the_preview', '_set_preview');
- }
-}
-
-/**
* Returns the post's parent's post_ID
*
* @since 3.1.0
@@ -5419,57 +4920,6 @@ function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) {
}
/**
- * Returns an array of post format slugs to their translated and pretty display versions
- *
- * @since 3.1.0
- *
- * @return array The array of translations
- */
-function get_post_format_strings() {
- $strings = array(
- 'standard' => _x( 'Standard', 'Post format' ), // Special case. any value that evals to false will be considered standard
- 'aside' => _x( 'Aside', 'Post format' ),
- 'chat' => _x( 'Chat', 'Post format' ),
- 'gallery' => _x( 'Gallery', 'Post format' ),
- 'link' => _x( 'Link', 'Post format' ),
- 'image' => _x( 'Image', 'Post format' ),
- 'quote' => _x( 'Quote', 'Post format' ),
- 'status' => _x( 'Status', 'Post format' ),
- 'video' => _x( 'Video', 'Post format' ),
- 'audio' => _x( 'Audio', 'Post format' ),
- );
- return $strings;
-}
-
-/**
- * Retrieves an array of post format slugs.
- *
- * @since 3.1.0
- *
- * @return array The array of post format slugs.
- */
-function get_post_format_slugs() {
- $slugs = array_keys( get_post_format_strings() );
- return array_combine( $slugs, $slugs );
-}
-
-/**
- * Returns a pretty, translated version of a post format slug
- *
- * @since 3.1.0
- *
- * @param string $slug A post format slug
- * @return string The translated post format name
- */
-function get_post_format_string( $slug ) {
- $strings = get_post_format_strings();
- if ( !$slug )
- return $strings['standard'];
- else
- return ( isset( $strings[$slug] ) ) ? $strings[$slug] : '';
-}
-
-/**
* Sets a post thumbnail.
*
* @since 3.1.0
@@ -5506,21 +4956,6 @@ function delete_post_thumbnail( $post ) {
}
/**
- * Returns a link to a post format index.
- *
- * @since 3.1.0
- *
- * @param string $format Post format
- * @return string Link
- */
-function get_post_format_link( $format ) {
- $term = get_term_by('slug', 'post-format-' . $format, 'post_format' );
- if ( ! $term || is_wp_error( $term ) )
- return false;
- return get_term_link( $term );
-}
-
-/**
* Deletes auto-drafts for new posts that are > 7 days old
*
* @since 3.4.0
@@ -5535,98 +4970,6 @@ function wp_delete_auto_drafts() {
}
/**
- * Filters the request to allow for the format prefix.
- *
- * @access private
- * @since 3.1.0
- */
-function _post_format_request( $qvs ) {
- if ( ! isset( $qvs['post_format'] ) )
- return $qvs;
- $slugs = get_post_format_slugs();
- if ( isset( $slugs[ $qvs['post_format'] ] ) )
- $qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
- $tax = get_taxonomy( 'post_format' );
- if ( ! is_admin() )
- $qvs['post_type'] = $tax->object_type;
- return $qvs;
-}
-add_filter( 'request', '_post_format_request' );
-
-/**
- * Filters the post format term link to remove the format prefix.
- *
- * @access private
- * @since 3.1.0
- */
-function _post_format_link( $link, $term, $taxonomy ) {
- global $wp_rewrite;
- if ( 'post_format' != $taxonomy )
- return $link;
- if ( $wp_rewrite->get_extra_permastruct( $taxonomy ) ) {
- return str_replace( "/{$term->slug}", '/' . str_replace( 'post-format-', '', $term->slug ), $link );
- } else {
- $link = remove_query_arg( 'post_format', $link );
- return add_query_arg( 'post_format', str_replace( 'post-format-', '', $term->slug ), $link );
- }
-}
-add_filter( 'term_link', '_post_format_link', 10, 3 );
-
-/**
- * Remove the post format prefix from the name property of the term object created by get_term().
- *
- * @access private
- * @since 3.1.0
- */
-function _post_format_get_term( $term ) {
- if ( isset( $term->slug ) ) {
- $term->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
- }
- return $term;
-}
-add_filter( 'get_post_format', '_post_format_get_term' );
-
-/**
- * Remove the post format prefix from the name property of the term objects created by get_terms().
- *
- * @access private
- * @since 3.1.0
- */
-function _post_format_get_terms( $terms, $taxonomies, $args ) {
- if ( in_array( 'post_format', (array) $taxonomies ) ) {
- if ( isset( $args['fields'] ) && 'names' == $args['fields'] ) {
- foreach( $terms as $order => $name ) {
- $terms[$order] = get_post_format_string( str_replace( 'post-format-', '', $name ) );
- }
- } else {
- foreach ( (array) $terms as $order => $term ) {
- if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
- $terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
- }
- }
- }
- }
- return $terms;
-}
-add_filter( 'get_terms', '_post_format_get_terms', 10, 3 );
-
-/**
- * Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
- *
- * @access private
- * @since 3.1.0
- */
-function _post_format_wp_get_object_terms( $terms ) {
- foreach ( (array) $terms as $order => $term ) {
- if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
- $terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
- }
- }
- return $terms;
-}
-add_filter( 'wp_get_object_terms', '_post_format_wp_get_object_terms' );
-
-/**
* Update the custom taxonomies' term counts when a post's status is changed. For example, default posts term counts (for custom taxonomies) don't include private / draft posts.
*
* @access private
View
417 wp-includes/revision.php
@@ -0,0 +1,417 @@
+<?php
+/**
+ * Post revision functions.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ */
+
+/**
+ * Determines which fields of posts are to be saved in revisions.
+ *
+ * Does two things. If passed a post *array*, it will return a post array ready
+ * to be inserted into the posts table as a post revision. Otherwise, returns
+ * an array whose keys are the post fields to be saved for post revisions.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ * @access private
+ * @uses apply_filters() Calls '_wp_post_revision_fields' on 'title', 'content' and 'excerpt' fields.
+ *
+ * @param array $post Optional a post array to be processed for insertion as a post revision.
+ * @param bool $autosave optional Is the revision an autosave?
+ * @return array Post array ready to be inserted as a post revision or array of fields that can be versioned.
+ */
+function _wp_post_revision_fields( $post = null, $autosave = false ) {
+ static $fields = false;
+
+ if ( !$fields ) {
+ // Allow these to be versioned
+ $fields = array(
+ 'post_title' => __( 'Title' ),
+ 'post_content' => __( 'Content' ),
+ 'post_excerpt' => __( 'Excerpt' ),
+ );
+
+ // Runs only once
+ $fields = apply_filters( '_wp_post_revision_fields', $fields );
+
+ // WP uses these internally either in versioning or elsewhere - they cannot be versioned
+ foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect )
+ unset( $fields[$protect] );
+ }
+
+ if ( !is_array($post) )
+ return $fields;
+
+ $return = array();
+ foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field )
+ $return[$field] = $post[$field];
+
+ $return['post_parent'] = $post['ID'];
+ $return['post_status'] = 'inherit';
+ $return['post_type'] = 'revision';
+ $return['post_name'] = $autosave ? "$post[ID]-autosave" : "$post[ID]-revision";
+ $return['post_date'] = isset($post['post_modified']) ? $post['post_modified'] : '';
+ $return['post_date_gmt'] = isset($post['post_modified_gmt']) ? $post['post_modified_gmt'] : '';
+
+ return $return;
+}
+
+/**
+ * Saves an already existing post as a post revision.
+ *
+ * Typically used immediately prior to post updates.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @uses _wp_put_post_revision()
+ *
+ * @param int $post_id The ID of the post to save as a revision.
+ * @return mixed Null or 0 if error, new revision ID, if success.
+ */
+function wp_save_post_revision( $post_id, $new_data = null ) {
+ // We do autosaves manually with wp_create_post_autosave()
+ if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
+ return;
+
+ // WP_POST_REVISIONS = 0, false
+ if ( ! WP_POST_REVISIONS )
+ return;
+
+ if ( !$post = get_post( $post_id, ARRAY_A ) )
+ return;
+
+ if ( 'auto-draft' == $post['post_status'] )
+ return;
+
+ if ( !post_type_supports($post['post_type'], 'revisions') )
+ return;
+
+ // if new data is supplied, check that it is different from last saved revision, unless a plugin tells us to always save regardless
+ if ( apply_filters( 'wp_save_post_revision_check_for_changes', true, $post, $new_data ) && is_array( $new_data ) ) {
+ $post_has_changed = false;
+ foreach ( array_keys( _wp_post_revision_fields() ) as $field ) {
+ if ( normalize_whitespace( $new_data[ $field ] ) != normalize_whitespace( $post[ $field ] ) ) {
+ $post_has_changed = true;
+ break;
+ }
+ }
+ //don't save revision if post unchanged
+ if( ! $post_has_changed )
+ return;
+ }
+
+ $return = _wp_put_post_revision( $post );
+
+ // WP_POST_REVISIONS = true (default), -1
+ if ( !is_numeric( WP_POST_REVISIONS ) || WP_POST_REVISIONS < 0 )
+ return $return;
+
+ // all revisions and (possibly) one autosave
+ $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) );
+
+ // WP_POST_REVISIONS = (int) (# of autosaves to save)
+ $delete = count($revisions) - WP_POST_REVISIONS;
+
+ if ( $delete < 1 )
+ return $return;
+
+ $revisions = array_slice( $revisions, 0, $delete );
+
+ for ( $i = 0; isset($revisions[$i]); $i++ ) {
+ if ( false !== strpos( $revisions[$i]->post_name, 'autosave' ) )
+ continue;
+ wp_delete_post_revision( $revisions[$i]->ID );
+ }
+
+ return $return;
+}
+
+/**
+ * Retrieve the autosaved data of the specified post.
+ *
+ * Returns a post object containing the information that was autosaved for the
+ * specified post.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @param int $post_id The post ID.
+ * @return object|bool The autosaved data or false on failure or when no autosave exists.
+ */
+function wp_get_post_autosave( $post_id ) {
+
+ if ( !$post = get_post( $post_id ) )
+ return false;
+
+ $q = array(
+ 'name' => "{$post->ID}-autosave",
+ 'post_parent' => $post->ID,
+ 'post_type' => 'revision',
+ 'post_status' => 'inherit'
+ );
+
+ // Use WP_Query so that the result gets cached
+ $autosave_query = new WP_Query;
+
+ add_action( 'parse_query', '_wp_get_post_autosave_hack' );
+ $autosave = $autosave_query->query( $q );
+ remove_action( 'parse_query', '_wp_get_post_autosave_hack' );
+
+ if ( $autosave && is_array($autosave) && is_object($autosave[0]) )
+ return $autosave[0];
+
+ return false;
+}
+
+/**
+ * Internally used to hack WP_Query into submission.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @param object $query WP_Query object
+ */
+function _wp_get_post_autosave_hack( $query ) {
+ $query->is_single = false;
+}
+
+/**
+ * Determines if the specified post is a revision.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @param int|object $post Post ID or post object.
+ * @return bool|int False if not a revision, ID of revision's parent otherwise.
+ */
+function wp_is_post_revision( $post ) {
+ if ( !$post = wp_get_post_revision( $post ) )
+ return false;
+ return (int) $post->post_parent;
+}
+
+/**
+ * Determines if the specified post is an autosave.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @param int|object $post Post ID or post object.
+ * @return bool|int False if not a revision, ID of autosave's parent otherwise
+ */
+function wp_is_post_autosave( $post ) {
+ if ( !$post = wp_get_post_revision( $post ) )
+ return false;
+ if ( "{$post->post_parent}-autosave" !== $post->post_name )
+ return false;
+ return (int) $post->post_parent;
+}
+
+/**
+ * Inserts post data into the posts table as a post revision.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @uses wp_insert_post()
+ *
+ * @param int|object|array $post Post ID, post object OR post array.
+ * @param bool $autosave Optional. Is the revision an autosave?
+ * @return mixed Null or 0 if error, new revision ID if success.
+ */
+function _wp_put_post_revision( $post = null, $autosave = false ) {
+ if ( is_object($post) )
+ $post = get_object_vars( $post );
+ elseif ( !is_array($post) )
+ $post = get_post($post, ARRAY_A);
+ if ( !$post || empty($post['ID']) )
+ return;
+
+ if ( isset($post['post_type']) && 'revision' == $post['post_type'] )
+ return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) );
+
+ $post = _wp_post_revision_fields( $post, $autosave );
+
+ $revision_id = wp_insert_post( $post );
+ if ( is_wp_error($revision_id) )
+ return $revision_id;
+
+ if ( $revision_id )
+ do_action( '_wp_put_post_revision', $revision_id );
+ return $revision_id;
+}
+
+/**
+ * Gets a post revision.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @uses get_post()
+ *
+ * @param int|object $post Post ID or post object
+ * @param string $output Optional. OBJECT, ARRAY_A, or ARRAY_N.
+ * @param string $filter Optional sanitation filter. @see sanitize_post()
+ * @return mixed Null if error or post object if success
+ */
+function wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') {
+ $null = null;
+ if ( !$revision = get_post( $post, OBJECT, $filter ) )
+ return $revision;
+ if ( 'revision' !== $revision->post_type )
+ return $null;
+
+ if ( $output == OBJECT ) {
+ return $revision;
+ } elseif ( $output == ARRAY_A ) {
+ $_revision = get_object_vars($revision);
+ return $_revision;
+ } elseif ( $output == ARRAY_N ) {
+ $_revision = array_values(get_object_vars($revision));
+ return $_revision;
+ }
+
+ return $revision;
+}
+
+/**
+ * Restores a post to the specified revision.
+ *
+ * Can restore a past revision using all fields of the post revision, or only selected fields.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @uses wp_get_post_revision()
+ * @uses wp_update_post()
+ * @uses do_action() Calls 'wp_restore_post_revision' on post ID and revision ID if wp_update_post()
+ * is successful.
+ *
+ * @param int|object $revision_id Revision ID or revision object.
+ * @param array $fields Optional. What fields to restore from. Defaults to all.
+ * @return mixed Null if error, false if no fields to restore, (int) post ID if success.
+ */
+function wp_restore_post_revision( $revision_id, $fields = null ) {
+ if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) )
+ return $revision;
+
+ if ( !is_array( $fields ) )
+ $fields = array_keys( _wp_post_revision_fields() );
+
+ $update = array();
+ foreach( array_intersect( array_keys( $revision ), $fields ) as $field )
+ $update[$field] = $revision[$field];
+
+ if ( !$update )
+ return false;
+
+ $update['ID'] = $revision['post_parent'];
+
+ $post_id = wp_update_post( $update );
+ if ( is_wp_error( $post_id ) )
+ return $post_id;
+
+ if ( $post_id )
+ do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] );
+
+ return $post_id;
+}
+
+/**
+ * Deletes a revision.
+ *
+ * Deletes the row from the posts table corresponding to the specified revision.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @uses wp_get_post_revision()
+ * @uses wp_delete_post()
+ *
+ * @param int|object $revision_id Revision ID or revision object.
+ * @return mixed Null or WP_Error if error, deleted post if success.
+ */
+function wp_delete_post_revision( $revision_id ) {
+ if ( !$revision = wp_get_post_revision( $revision_id ) )
+ return $revision;
+
+ $delete = wp_delete_post( $revision->ID );
+ if ( is_wp_error( $delete ) )
+ return $delete;
+
+ if ( $delete )
+ do_action( 'wp_delete_post_revision', $revision->ID, $revision );
+
+ return $delete;
+}
+
+/**
+ * Returns all revisions of specified post.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ * @since 2.6.0
+ *
+ * @uses get_children()
+ *
+ * @param int|object $post_id Post ID or post object
+ * @return array empty if no revisions
+ */
+function wp_get_post_revisions( $post_id = 0, $args = null ) {
+ if ( ! WP_POST_REVISIONS )
+ return array();
+ if ( ( !$post = get_post( $post_id ) ) || empty( $post->ID ) )
+ return array();
+
+ $defaults = array( 'order' => 'DESC', 'orderby' => 'date' );
+ $args = wp_parse_args( $args, $defaults );
+ $args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit' ) );
+
+ if ( !$revisions = get_children( $args ) )
+ return array();
+ return $revisions;
+}
+
+function _set_preview($post) {
+
+ if ( ! is_object($post) )
+ return $post;
+
+ $preview = wp_get_post_autosave($post->ID);
+
+ if ( ! is_object($preview) )
+ return $post;
+
+ $preview = sanitize_post($preview);
+
+ $post->post_content = $preview->post_content;
+ $post->post_title = $preview->post_title;
+ $post->post_excerpt = $preview->post_excerpt;
+
+ return $post;
+}
+
+function _show_post_preview() {
+
+ if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {
+ $id = (int) $_GET['preview_id'];
+
+ if ( false == wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) )
+ wp_die( __('You do not have permission to preview drafts.') );
+
+ add_filter('the_preview', '_set_preview');
+ }
+}
View
2 wp-settings.php
@@ -117,6 +117,8 @@
require( ABSPATH . WPINC . '/author-template.php' );
require( ABSPATH . WPINC . '/post.php' );
require( ABSPATH . WPINC . '/post-template.php' );
+require( ABSPATH . WPINC . '/revision.php' );
+require( ABSPATH . WPINC . '/post-formats.php' );
require( ABSPATH . WPINC . '/post-thumbnail-template.php' );
require( ABSPATH . WPINC . '/category.php' );
require( ABSPATH . WPINC . '/category-template.php' );

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