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<?php
/**
* @author Dimas Begunoff
* @copyright Copyright (c) 2009, Dimas Begunoff, http://farinspace.com
* @license http://en.wikipedia.org/wiki/MIT_License The MIT License
* @package WPAlchemy
* @version 1.5.1
* @link http://github.com/farinspace/wpalchemy
* @link http://farinspace.com
*/
// todo: perhaps move _global_head and _global_foot locally, when first run
// define a constant to prevent other instances from running again ...
add_action('admin_head', array('WPAlchemy_MetaBox', '_global_head'));
add_action('admin_footer', array('WPAlchemy_MetaBox', '_global_foot'));
define('WPALCHEMY_MODE_ARRAY', 'array');
define('WPALCHEMY_MODE_EXTRACT', 'extract');
define('WPALCHEMY_FIELD_HINT_TEXT', 'text');
define('WPALCHEMY_FIELD_HINT_TEXTAREA', 'textarea');
define('WPALCHEMY_FIELD_HINT_CHECKBOX', 'checkbox');
define('WPALCHEMY_FIELD_HINT_CHECKBOX_MULTI', 'checkbox_multi');
define('WPALCHEMY_FIELD_HINT_RADIO', 'radio');
define('WPALCHEMY_FIELD_HINT_SELECT', 'select');
define('WPALCHEMY_FIELD_HINT_SELECT_MULTI', 'select_multi');
// depreciated, use WPALCHEMY_FIELD_HINT_SELECT_MULTI instead
define('WPALCHEMY_FIELD_HINT_SELECT_MULTIPLE', 'select_multiple');
define('WPALCHEMY_LOCK_TOP', 'top');
define('WPALCHEMY_LOCK_BOTTOM', 'bottom');
define('WPALCHEMY_LOCK_BEFORE_POST_TITLE', 'before_post_title');
define('WPALCHEMY_LOCK_AFTER_POST_TITLE', 'after_post_title');
define('WPALCHEMY_VIEW_START_OPENED', 'opened');
define('WPALCHEMY_VIEW_START_CLOSED', 'closed');
define('WPALCHEMY_VIEW_ALWAYS_OPENED', 'always_opened');
class WPAlchemy_MetaBox
{
/**
* User defined identifier for the meta box, prefix with an underscore to
* prevent option(s) form showing up in the custom fields meta box, this
* option should be used when instantiating the class.
*
* @since 1.0
* @access public
* @var string required
*/
var $id;
/**
* Used to set the title of the meta box, this option should be used when
* instantiating the class.
*
* @since 1.0
* @access public
* @var string required
* @see $hide_title
*/
var $title = 'Custom Meta';
/**
* Used to set the meta box content, the contents of your meta box should be
* defined within this file, this option should be used when instantiating
* the class.
*
* @since 1.0
* @access public
* @var string required
*/
var $template;
/**
* Used to set the post types that the meta box can appear in, this option
* should be used when instantiating the class.
*
* @since 1.0
* @access public
* @var array
*/
var $types;
/**
* @since 1.0
* @access public
* @var bool
*/
var $context = 'normal';
/**
* @since 1.0
* @access public
* @var bool
*/
var $priority = 'high';
/**
* @since 1.0
* @access public
* @var bool
*/
var $autosave = TRUE;
/**
* Used to set how the class does its data storage, data will be stored as
* an associative array in a single meta entry in the wp_postmeta table or
* data can be set and individual entries in the wp_postmeta table, the
* following constants should be used when setting this option,
* WPALCHEMY_MODE_ARRAY (default) and WPALCHEMY_MODE_EXTRACT, this option
* should be used when instantiating the class.
*
* @since 1.2
* @access public
* @var string
*/
var $mode = WPALCHEMY_MODE_ARRAY;
/**
* When the mode option is set to WPALCHEMY_MODE_EXTRACT, you have to take
* care to avoid name collisions with other meta entries. Use this option to
* automatically add a prefix to your variables, this option should be used
* when instantiating the class.
*
* @since 1.2
* @access public
* @var array
*/
var $prefix;
/**
* @since 1.0
* @access public
* @var bool
*/
var $exclude_template;
/**
* @since 1.0
* @access public
* @var bool
*/
var $exclude_category_id;
/**
* @since 1.0
* @access public
* @var bool
*/
var $exclude_category;
/**
* @since 1.0
* @access public
* @var bool
*/
var $exclude_tag_id;
/**
* @since 1.0
* @access public
* @var bool
*/
var $exclude_tag;
/**
* @since 1.0
* @access public
* @var bool
*/
var $exclude_post_id;
/**
* @since 1.0
* @access public
* @var bool
*/
var $include_template;
/**
* @since 1.0
* @access public
* @var bool
*/
var $include_category_id;
/**
* @since 1.0
* @access public
* @var bool
*/
var $include_category;
/**
* @since 1.0
* @access public
* @var bool
*/
var $include_tag_id;
/**
* @since 1.0
* @access public
* @var bool
*/
var $include_tag;
/**
* @since 1.0
* @access public
* @var bool
*/
var $include_post_id;
/**
* Callback used on the WordPress "admin_init" action, the main benefit is
* that this callback is executed only when the meta box is present, this
* option should be used when instantiating the class.
*
* @since 1.3.4
* @access public
* @var string|array optional
*/
var $init_action;
/**
* Callback used to override when the meta box gets displayed, must return
* true or false to determine if the meta box should or should not be
* displayed, this option should be used when instantiating the class.
*
* @since 1.3
* @access public
* @var string|array optional
* @param array $post_id first variable passed to the callback function
* @see can_output()
*/
var $output_filter;
/**
* Callback used to override or insert meta data before saving, you can halt
* saving by passing back FALSE (return FALSE), this option should be used
* when instantiating the class.
*
* @since 1.3
* @access public
* @var string|array optional
* @param array $meta meta box data, first variable passed to the callback function
* @param string $post_id second variable passed to the callback function
* @see $save_action, add_filter()
*/
var $save_filter;
/**
* Callback used to execute custom code after saving, this option should be
* used when instantiating the class.
*
* @since 1.3
* @access public
* @var string|array optional
* @param array $meta meta box data, first variable passed to the callback function
* @param string $post_id second variable passed to the callback function
* @see $save_filter, add_filter()
*/
var $save_action;
/**
* Callback used to override or insert STYLE or SCRIPT tags into the head,
* this option should be used when instantiating the class.
*
* @since 1.3
* @access public
* @var string|array optional
* @param array $content current head content, first variable passed to the callback function
* @see $head_action, add_filter()
*/
var $head_filter;
/**
* Callback used to insert STYLE or SCRIPT tags into the head,
* this option should be used when instantiating the class.
*
* @since 1.3
* @access public
* @var string|array optional
* @see $head_filter, add_action()
*/
var $head_action;
/**
* Callback used to override or insert SCRIPT tags into the footer, this
* option should be used when instantiating the class.
*
* @since 1.3
* @access public
* @var string|array optional
* @param array $content current foot content, first variable passed to the callback function
* @see $foot_action, add_filter()
*/
var $foot_filter;
/**
* Callback used to insert SCRIPT tags into the footer, this option should
* be used when instantiating the class.
*
* @since 1.3
* @access public
* @var string|array optional
* @see $foot_filter, add_action()
*/
var $foot_action;
/**
* Used to hide the default content editor in a page or post, this option
* should be used when instantiating the class.
*
* @since 1.3
* @access public
* @var bool optional
*/
var $hide_editor = FALSE;
/**
* Used in conjunction with the "hide_editor" option, prevents the media
* buttons from also being hidden.
*
* @since 1.5
* @access public
* @var bool optional
*/
var $use_media_buttons = FALSE;
/**
* Used to hide the meta box title, this option should be used when
* instantiating the class.
*
* @since 1.3
* @access public
* @var bool optional
* @see $title
*/
var $hide_title = FALSE;
/**
* Used to lock a meta box in place, possible values are: top, bottom,
* before_post_title, after_post_title, this option should be used when
* instantiating the class.
*
* @since 1.3.3
* @access public
* @var string optional possible values are: top, bottom, before_post_title, after_post_title
*/
var $lock;
/**
* Used to lock a meta box at top (below the default content editor), this
* option should be used when instantiating the class.
*
* @deprecated deprecated since version 1.3.3
* @since 1.3
* @access public
* @var bool optional
* @see $lock
*/
var $lock_on_top = FALSE;
/**
* Used to lock a meta box at bottom, this option should be used when
* instantiating the class.
*
* @deprecated deprecated since version 1.3.3
* @since 1.3
* @access public
* @var bool optional
* @see $lock
*/
var $lock_on_bottom = FALSE;
/**
* Used to set the initial view state of the meta box, possible values are:
* opened, closed, always_opened, this option should be used when
* instantiating the class.
*
* @since 1.3.3
* @access public
* @var string optional possible values are: opened, closed, always_opened
*/
var $view;
/**
* Used to hide the show/hide checkbox option from the screen options area,
* this option should be used when instantiating the class.
*
* @since 1.3.4
* @access public
* @var bool optional
*/
var $hide_screen_option = FALSE;
// private
var $meta;
var $name;
var $subname;
/**
* Used to provide field type hinting
*
* @since 1.3
* @access private
* @var string
* @see the_field()
*/
var $hint;
var $length = 0;
var $current = -1;
var $in_loop = FALSE;
var $in_template = FALSE;
var $group_tag;
var $current_post_id;
/**
* Used to store current loop details, cleared after loop ends
*
* @since 1.4
* @access private
* @var stdClass
* @see have_fields_and_multi(), have_fields()
*/
var $_loop_data;
function WPAlchemy_MetaBox($arr)
{
$this->_loop_data = new stdClass;
$this->meta = array();
$this->types = array('post', 'page');
if (is_array($arr))
{
foreach ($arr as $n => $v)
{
$this->$n = $v;
}
if (empty($this->id)) die('Meta box ID required');
if (is_numeric($this->id)) die('Meta box ID must be a string');
if (empty($this->template)) die('Meta box template file required');
// check for nonarray values
$exc_inc = array
(
'exclude_template',
'exclude_category_id',
'exclude_category',
'exclude_tag_id',
'exclude_tag',
'exclude_post_id',
'include_template',
'include_category_id',
'include_category',
'include_tag_id',
'include_tag',
'include_post_id'
);
foreach ($exc_inc as $v)
{
// ideally the exclude and include values should be in array form, convert to array otherwise
if (!empty($this->$v) AND !is_array($this->$v))
{
$this->$v = array_map('trim',explode(',',$this->$v));
}
}
// convert depreciated variables
if ($this->lock_on_top) $this->lock = WPALCHEMY_LOCK_TOP;
elseif ($this->lock_on_bottom) $this->lock = WPALCHEMY_LOCK_BOTTOM;
add_action('admin_init', array($this,'_init'));
// uses the default wordpress-importer plugin hook
add_action('import_post_meta', array($this, '_import'), 10, 3);
}
else
{
die('Associative array parameters required');
}
}
/**
* Used to correct double serialized data during post/page export/import,
* additionally will try to fix corrupted serialized data by recalculating
* string length values
*
* @since 1.3.16
* @access private
*/
function _import($post_id, $key, $value)
{
if (WPALCHEMY_MODE_ARRAY == $this->mode AND $key == $this->id)
{
// using $wp_import to get access to the raw postmeta data prior to it getting passed
// through "maybe_unserialize()" in "plugins/wordpress-importer/wordpress-importer.php"
// the "import_post_meta" action is called after "maybe_unserialize()"
global $wp_import;
foreach ( $wp_import->posts as $post )
{
if ( $post_id == $post['post_id'] )
{
foreach( $post['postmeta'] as $meta )
{
if ( $key == $meta['key'] )
{
// try to fix corrupted serialized data, specifically "\r\n" being converted to "\n" during wordpress XML export (WXR)
// "maybe_unserialize()" fixes a wordpress bug which double serializes already serialized data during export/import
$value = maybe_unserialize( preg_replace( '!s:(\d+):"(.*?)";!es', "'s:'.strlen('$2').':\"$2\";'", stripslashes( $meta['value'] ) ) );
update_post_meta( $post_id, $key, $value );
}
}
}
}
}
}
/**
* Used to initialize the meta box, runs on WordPress admin_init action,
* properly calls internal WordPress methods
*
* @since 1.0
* @access private
*/
function _init()
{
// must be creating or editing a post or page
if ( ! WPAlchemy_MetaBox::_is_post() AND ! WPAlchemy_MetaBox::_is_page()) return;
if ( ! empty($this->output_filter))
{
$this->add_filter('output', $this->output_filter);
}
if ($this->can_output())
{
foreach ($this->types as $type)
{
add_meta_box($this->id . '_metabox', $this->title, array($this, '_setup'), $type, $this->context, $this->priority);
}
add_action('save_post', array($this,'_save'));
$filters = array('save', 'head', 'foot');
foreach ($filters as $filter)
{
$var = $filter . '_filter';
if (!empty($this->$var))
{
if ('save' == $filter)
{
$this->add_filter($filter, $this->$var, 10, 2);
}
else
{
$this->add_filter($filter, $this->$var);
}
}
}
$actions = array('save', 'head', 'foot', 'init');
foreach ($actions as $action)
{
$var = $action . '_action';
if (!empty($this->$var))
{
if ('save' == $action)
{
$this->add_action($action, $this->$var, 10, 2);
}
else
{
$this->add_action($action, $this->$var);
}
}
}
add_action('admin_head', array($this,'_head'), 11);
add_action('admin_footer', array($this,'_foot'), 11);
// action: init
if ($this->has_action('init'))
{
$this->do_action('init');
}
}
}
/**
* Used to insert STYLE or SCRIPT tags into the head, called on WordPress
* admin_head action.
*
* @since 1.3
* @access private
* @see _foot()
*/
function _head()
{
$content = NULL;
ob_start();
?>
<style type="text/css">
<?php if ($this->hide_editor) { ?> #wp-content-editor-container, #post-status-info, <?php if ($this->use_media_buttons) { ?> #content-html, #content-tmce<?php } else { ?> #wp-content-wrap<?php } ?> { display:none; } <?php } ?>
</style>
<?php
$content = ob_get_contents();
ob_end_clean();
// filter: head
if ($this->has_filter('head'))
{
$content = $this->apply_filters('head', $content);
}
echo $content;
// action: head
if ($this->has_action('head'))
{
$this->do_action('head');
}
}
/**
* Used to insert SCRIPT tags into the footer, called on WordPress
* admin_footer action.
*
* @since 1.3
* @access private
* @see _head()
*/
function _foot()
{
$content = NULL;
if
(
$this->lock OR
$this->hide_title OR
$this->view OR
$this->hide_screen_option
)
{
ob_start();
?>
<script type="text/javascript">
/* <![CDATA[ */
(function($){ /* not using jQuery ondomready, code runs right away in footer */
var mb_id = '<?php echo $this->id; ?>';
var mb = $('#' + mb_id + '_metabox');
<?php if (WPALCHEMY_LOCK_TOP == $this->lock): ?>
<?php if ('side' == $this->context): ?>
var id = 'wpalchemy-side-top';
if ( ! $('#'+id).length)
{
$('<div></div>').attr('id',id).prependTo('#side-info-column');
}
<?php else: ?>
var id = 'wpalchemy-content-top';
if ( ! $('#'+id).length)
{
$('<div></div>').attr('id',id).insertAfter('#postdiv, #postdivrich');
}
<?php endif; ?>
$('#'+id).append(mb);
<?php elseif (WPALCHEMY_LOCK_BOTTOM == $this->lock): ?>
<?php if ('side' == $this->context): ?>
var id = 'wpalchemy-side-bottom';
if ( ! $('#'+id).length)
{
$('<div></div>').attr('id',id).appendTo('#side-info-column');
}
<?php else: ?>
if ( ! $('#advanced-sortables').children().length)
{
$('#advanced-sortables').css('display','none');
}
var id = 'wpalchemy-content-bottom';
if ( ! $('#'+id).length)
{
$('<div></div>').attr('id',id).insertAfter('#advanced-sortables');
}
<?php endif; ?>
$('#'+id).append(mb);
<?php elseif (WPALCHEMY_LOCK_BEFORE_POST_TITLE == $this->lock): ?>
<?php if ('side' != $this->context): ?>
var id = 'wpalchemy-content-bpt';
if ( ! $('#'+id).length)
{
$('<div></div>').attr('id',id).prependTo('#post-body-content');
}
$('#'+id).append(mb);
<?php endif; ?>
<?php elseif (WPALCHEMY_LOCK_AFTER_POST_TITLE == $this->lock): ?>
<?php if ('side' != $this->context): ?>
var id = 'wpalchemy-content-apt';
if ( ! $('#'+id).length)
{
$('<div></div>').attr('id',id).insertAfter('#titlediv');
}
$('#'+id).append(mb);
<?php endif; ?>
<?php endif; ?>
<?php if ( ! empty($this->lock)): ?>
$('.hndle', mb).css('cursor','pointer');
$('.handlediv', mb).remove();
<?php endif; ?>
<?php if ($this->hide_title): ?>
$('.hndle', mb).remove();
$('.handlediv', mb).remove();
mb.removeClass('closed'); /* start opened */
<?php endif; ?>
<?php if (WPALCHEMY_VIEW_START_OPENED == $this->view): ?>
mb.removeClass('closed');
<?php elseif (WPALCHEMY_VIEW_START_CLOSED == $this->view): ?>
mb.addClass('closed');
<?php elseif (WPALCHEMY_VIEW_ALWAYS_OPENED == $this->view): ?>
/* todo: need to find a way to add this script block below, load-scripts.php?... */
var h3 = mb.children('h3');
setTimeout(function(){ h3.unbind('click'); }, 1000);
$('.handlediv', mb).remove();
mb.removeClass('closed'); /* start opened */
$('.hndle', mb).css('cursor','auto');
<?php endif; ?>
<?php if ($this->hide_screen_option): ?>
$('.metabox-prefs label[for='+ mb_id +'_metabox-hide]').remove();
<?php endif; ?>
mb = null;
})(jQuery);
/* ]]> */
</script>
<?php
$content = ob_get_contents();
ob_end_clean();
}
// filter: foot
if ($this->has_filter('foot'))
{
$content = $this->apply_filters('foot', $content);
}
echo $content;
// action: foot
if ($this->has_action('foot'))
{
$this->do_action('foot');
}
}
/**
* Used to setup the meta box content template
*
* @since 1.0
* @access private
* @see _init()
*/
function _setup()
{
$this->in_template = TRUE;
// also make current post data available
global $post;
// shortcuts
$mb =& $this;
$metabox =& $this;
$id = $this->id;
$meta = $this->_meta(NULL, TRUE);
// use include because users may want to use one templete for multiple meta boxes
include $this->template;
// create a nonce for verification
echo '<input type="hidden" name="'. $this->id .'_nonce" value="' . wp_create_nonce($this->id) . '" />';
$this->in_template = FALSE;
}
/**
* Used to properly prefix the filter tag, the tag is unique to the meta
* box instance
*
* @since 1.3
* @access private
* @param string $tag name of the filter
* @return string uniquely prefixed tag name
*/
function _get_filter_tag($tag)
{
$prefix = 'wpalchemy_filter_' . $this->id . '_';
$prefix = preg_replace('/_+/', '_', $prefix);
$tag = preg_replace('/^'. $prefix .'/i', '', $tag);
return $prefix . $tag;
}
/**
* Uses WordPress add_filter() function, see WordPress add_filter()
*
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L65
*/
function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1)
{
$tag = $this->_get_filter_tag($tag);;
add_filter($tag, $function_to_add, $priority, $accepted_args);
}
/**
* Uses WordPress has_filter() function, see WordPress has_filter()
*
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L86
*/
function has_filter($tag, $function_to_check = FALSE)
{
$tag = $this->_get_filter_tag($tag);
return has_filter($tag, $function_to_check);
}
/**
* Uses WordPress apply_filters() function, see WordPress apply_filters()
*
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L134
*/
function apply_filters($tag, $value)
{
$args = func_get_args();
$args[0] = $this->_get_filter_tag($tag);
return call_user_func_array('apply_filters', $args);
}
/**
* Uses WordPress remove_filter() function, see WordPress remove_filter()
*
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L250
*/
function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1)
{
$tag = $this->_get_filter_tag($tag);
return remove_filter($tag, $function_to_remove, $priority, $accepted_args);
}
/**
* Used to properly prefix the action tag, the tag is unique to the meta
* box instance
*
* @since 1.3
* @access private
* @param string $tag name of the action
* @return string uniquely prefixed tag name
*/
function _get_action_tag($tag)
{
$prefix = 'wpalchemy_action_' . $this->id . '_';
$prefix = preg_replace('/_+/', '_', $prefix);
$tag = preg_replace('/^'. $prefix .'/i', '', $tag);
return $prefix . $tag;
}
/**
* Uses WordPress add_action() function, see WordPress add_action()
*
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L324
*/
function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1)
{
$tag = $this->_get_action_tag($tag);
add_action($tag, $function_to_add, $priority, $accepted_args);
}
/**
* Uses WordPress has_action() function, see WordPress has_action()
*
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L492
*/
function has_action($tag, $function_to_check = FALSE)
{
$tag = $this->_get_action_tag($tag);
return has_action($tag, $function_to_check);
}
/**
* Uses WordPress remove_action() function, see WordPress remove_action()
*
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L513
*/
function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1)
{
$tag = $this->_get_action_tag($tag);
return remove_action($tag, $function_to_remove, $priority, $accepted_args);
}
/**
* Uses WordPress do_action() function, see WordPress do_action()
* @since 1.3
* @access public
* @link http://core.trac.wordpress.org/browser/trunk/wp-includes/plugin.php#L352
*/
function do_action($tag, $arg = '')
{
$args = func_get_args();
$args[0] = $this->_get_action_tag($tag);
return call_user_func_array('do_action', $args);
}
/**
* Used to check if creating a new post or editing one
*
* @static
* @since 1.3.7
* @access private
* @return bool
* @see _is_page()
*/
function _is_post()
{
if ('post' == WPAlchemy_MetaBox::_is_post_or_page())
{
return TRUE;
}
return FALSE;
}
/**
* Used to check if creating a new page or editing one
*
* @static
* @since 1.3.7
* @access private
* @return bool
* @see _is_post()
*/
function _is_page()
{
if ('page' == WPAlchemy_MetaBox::_is_post_or_page())
{
return TRUE;
}
return FALSE;
}
/**
* Used to check if creating or editing a post or page
*
* @static
* @since 1.3.8
* @access private
* @return string "post" or "page"
* @see _is_post(), _is_page()
*/
function _is_post_or_page()
{
$post_type = WPAlchemy_MetaBox::_get_current_post_type();
if (isset($post_type))
{
if ('page' == $post_type)
{
return 'page';
}
else
{
return 'post';
}
}
return NULL;
}
/**
* Used to check for the current post type, works when creating or editing a
* new post, page or custom post type.
*
* @static
* @since 1.4.6
* @return string [custom_post_type], page or post
*/
function _get_current_post_type()
{
$uri = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : NULL ;
if ( isset( $uri ) )
{
$uri_parts = parse_url($uri);
$file = basename($uri_parts['path']);
if ($uri AND in_array($file, array('post.php', 'post-new.php')))
{
$post_id = WPAlchemy_MetaBox::_get_post_id();
$post_type = isset($_GET['post_type']) ? $_GET['post_type'] : NULL ;
$post_type = $post_id ? get_post_type($post_id) : $post_type ;
if (isset($post_type))
{
return $post_type;
}
else
{
// because of the 'post.php' and 'post-new.php' checks above, we can default to 'post'
return 'post';
}
}
}
return NULL;
}
/**
* Used to get the current post id.
*
* @static
* @since 1.4.8
* @return int post ID
*/
function _get_post_id()
{
global $post;
$p_post_id = isset($_POST['post_ID']) ? $_POST['post_ID'] : null ;
$g_post_id = isset($_GET['post']) ? $_GET['post'] : null ;
$post_id = $g_post_id ? $g_post_id : $p_post_id ;
$post_id = isset($post->ID) ? $post->ID : $post_id ;
if (isset($post_id))
{
return (integer) $post_id;
}
return null;
}
/**
* @since 1.0
*/
function can_output()
{
$post_id = WPAlchemy_MetaBox::_get_post_id();
if (!empty($this->exclude_template) OR !empty($this->include_template))
{
$template_file = get_post_meta($post_id,'_wp_page_template',TRUE);
}
if
(
!empty($this->exclude_category) OR
!empty($this->exclude_category_id) OR
!empty($this->include_category) OR
!empty($this->include_category_id)
)
{
$categories = wp_get_post_categories($post_id,'fields=all');
}
if
(
!empty($this->exclude_tag) OR
!empty($this->exclude_tag_id) OR
!empty($this->include_tag) OR
!empty($this->include_tag_id)
)
{
$tags = wp_get_post_tags($post_id);
}
// processing order: "exclude" then "include"
// processing order: "template" then "category" then "post"
$can_output = TRUE; // include all
if
(
!empty($this->exclude_template) OR
!empty($this->exclude_category_id) OR
!empty($this->exclude_category) OR
!empty($this->exclude_tag_id) OR
!empty($this->exclude_tag) OR
!empty($this->exclude_post_id) OR
!empty($this->include_template) OR
!empty($this->include_category_id) OR
!empty($this->include_category) OR
!empty($this->include_tag_id) OR
!empty($this->include_tag) OR
!empty($this->include_post_id)
)
{
if (!empty($this->exclude_template))
{
if (in_array($template_file,$this->exclude_template))
{
$can_output = FALSE;
}
}
if (!empty($this->exclude_category_id))
{
foreach ($categories as $cat)
{
if (in_array($cat->term_id,$this->exclude_category_id))
{
$can_output = FALSE;
break;
}
}
}
if (!empty($this->exclude_category))
{
foreach ($categories as $cat)
{
if
(
in_array($cat->slug,$this->exclude_category) OR
in_array($cat->name,$this->exclude_category)
)
{
$can_output = FALSE;
break;
}
}
}
if (!empty($this->exclude_tag_id))
{
foreach ($tags as $tag)
{
if (in_array($tag->term_id,$this->exclude_tag_id))
{
$can_output = FALSE;
break;
}
}
}
if (!empty($this->exclude_tag))
{
foreach ($tags as $tag)
{
if
(
in_array($tag->slug,$this->exclude_tag) OR
in_array($tag->name,$this->exclude_tag)
)
{
$can_output = FALSE;
break;
}
}
}
if (!empty($this->exclude_post_id))
{
if (in_array($post_id,$this->exclude_post_id))
{
$can_output = FALSE;
}
}
// excludes are not set use "include only" mode
if
(
empty($this->exclude_template) AND
empty($this->exclude_category_id) AND
empty($this->exclude_category) AND
empty($this->exclude_tag_id) AND
empty($this->exclude_tag) AND
empty($this->exclude_post_id)
)
{
$can_output = FALSE;
}
if (!empty($this->include_template))
{
if (in_array($template_file,$this->include_template))
{
$can_output = TRUE;
}
}
if (!empty($this->include_category_id))
{
foreach ($categories as $cat)
{
if (in_array($cat->term_id,$this->include_category_id))
{
$can_output = TRUE;
break;
}
}
}
if (!empty($this->include_category))
{
foreach ($categories as $cat)
{
if
(
in_array($cat->slug,$this->include_category) OR
in_array($cat->name,$this->include_category)
)
{
$can_output = TRUE;
break;
}
}
}
if (!empty($this->include_tag_id))
{
foreach ($tags as $tag)
{
if (in_array($tag->term_id,$this->include_tag_id))
{
$can_output = TRUE;
break;
}
}
}
if (!empty($this->include_tag))
{
foreach ($tags as $tag)
{
if
(
in_array($tag->slug,$this->include_tag) OR
in_array($tag->name,$this->include_tag)
)
{
$can_output = TRUE;
break;
}
}
}
if (!empty($this->include_post_id))
{
if (in_array($post_id,$this->include_post_id))
{
$can_output = TRUE;
}
}
}
$post_type = WPAlchemy_MetaBox::_get_current_post_type();
if (isset($post_type) AND ! in_array($post_type, $this->types))
{
$can_output = FALSE;
}
// filter: output (can_output)
if ($this->has_filter('output'))
{
$can_output = $this->apply_filters('output', $post_id);
}
return $can_output;
}
/**
* Used to insert global STYLE or SCRIPT tags into the head, called on
* WordPress admin_footer action.
*
* @static
* @since 1.3
* @access private
* @see _global_foot()
*/
function _global_head()
{
// must be creating or editing a post or page
if ( ! WPAlchemy_MetaBox::_is_post() AND ! WPAlchemy_MetaBox::_is_page()) return;
// todo: you're assuming people will want to use this exact functionality
// consider giving a developer access to change this via hooks/callbacks
// include javascript for special functionality
?><style type="text/css"> .wpa_group.tocopy { display:none; } </style>
<script type="text/javascript">
/* <![CDATA[ */
jQuery(function($)
{
$(document).click(function(e)
{
var elem = $(e.target);
if (elem.attr('class') && elem.filter('[class*=dodelete]').length)
{
e.preventDefault();
var p = elem.parents('.postbox'); /*wp*/
var the_name = elem.attr('class').match(/dodelete-([a-zA-Z0-9_-]*)/i);
the_name = (the_name && the_name[1]) ? the_name[1] : null ;
/* todo: expose and allow editing of this message */
if (confirm('This action can not be undone, are you sure?'))
{
if (the_name)
{
$('.wpa_group-'+ the_name, p).not('.tocopy').remove();
}
else
{
elem.parents('.wpa_group').remove();
}
the_name = elem.parents('.wpa_group').attr('class').match(/wpa_group-([a-zA-Z0-9_-]*)/i)[1];
checkLoopLimit(the_name);
$.wpalchemy.trigger('wpa_delete');
}
}
});
$('[class*=docopy-]').click(function(e)
{
e.preventDefault();
var p = $(this).parents('.postbox'); /*wp*/
var the_name = $(this).attr('class').match(/docopy-([a-zA-Z0-9_-]*)/i)[1];
var the_group = $('.wpa_group-'+ the_name +':first.tocopy', p);
var the_clone = the_group.clone().removeClass('tocopy last');
var the_props = ['name', 'id', 'for', 'class'];
the_group.find('*').each(function(i, elem)
{
for (var j = 0; j < the_props.length; j++)
{
var the_prop = $(elem).attr(the_props[j]);
if (the_prop)
{
var the_match = the_prop.match(/\[(\d+)\]/i);
if (the_match)
{
the_prop = the_prop.replace(the_match[0],'['+ (+the_match[1]+1) +']');
$(elem).attr(the_props[j], the_prop);
}
the_match = null;
// todo: this may prove to be too broad of a search
the_match = the_prop.match(/n(\d+)/i);
if (the_match)
{
the_prop = the_prop.replace(the_match[0], 'n' + (+the_match[1]+1));
$(elem).attr(the_props[j], the_prop);
}
}
}
});
if ($(this).hasClass('ontop'))
{
$('.wpa_group-'+ the_name +':first', p).before(the_clone);
}
else
{
the_group.before(the_clone);
}
checkLoopLimit(the_name);
$.wpalchemy.trigger('wpa_copy', [the_clone]);
});
function checkLoopLimit(name)
{
var elem = $('.docopy-' + name);
var the_class = $('.wpa_loop-' + name).attr('class');
if (the_class)
{
var the_match = the_class.match(/wpa_loop_limit-([0-9]*)/i);
if (the_match)
{
var the_limit = the_match[1];
if ($('.wpa_group-' + name).not('.wpa_group.tocopy').length >= the_limit)
{
elem.hide();
}
else
{
elem.show();
}
}
}
}
/* do an initial limit check, show or hide buttons */
$('[class*=docopy-]').each(function()
{
var the_name = $(this).attr('class').match(/docopy-([a-zA-Z0-9_-]*)/i)[1];
checkLoopLimit(the_name);
});
});
/* ]]> */
</script>
<?php
}
/**
* Used to insert global SCRIPT tags into the footer, called on WordPress
* admin_footer action.
*
* @static
* @since 1.3
* @access private
* @see _global_head()
*/
function _global_foot()
{
// must be creating or editing a post or page
if ( ! WPAlchemy_MetaBox::_is_post() AND ! WPAlchemy_MetaBox::_is_page()) return;
?>
<script type="text/javascript">
/* <![CDATA[ */
(function($){ /* not using jQuery ondomready, code runs right away in footer */
/* use a global dom element to attach events to */
$.wpalchemy = $('<div></div>').attr('id','wpalchemy').appendTo('body');
})(jQuery);
/* ]]> */
</script>
<?php
}
/**
* Gets the meta data for a meta box
*
* @since 1.0
* @access public
* @param int $post_id optional post ID for which to retrieve the meta data
* @return array
* @see _meta
*/
function the_meta($post_id = NULL)
{
return $this->_meta($post_id);
}
/**
* Gets the meta data for a meta box
*
* Internal method calls will typically bypass the data retrieval and will
* immediately return the current meta data
*
* @since 1.3
* @access private
* @param int $post_id optional post ID for which to retrieve the meta data
* @param bool $internal optional boolean if internally calling
* @return array
* @see the_meta()
*/
function _meta($post_id = NULL, $internal = FALSE)
{
if ( ! is_numeric($post_id))
{
if ($internal AND $this->current_post_id)
{
$post_id = $this->current_post_id;
}
else
{
global $post;
$post_id = $post->ID;
}
}
// this allows multiple internal calls to _meta() without having to fetch data everytime
if ($internal AND !empty($this->meta) AND $this->current_post_id == $post_id) return $this->meta;
$this->current_post_id = $post_id;
// WPALCHEMY_MODE_ARRAY
$meta = get_post_meta($post_id, $this->id, TRUE);
// WPALCHEMY_MODE_EXTRACT
$fields = get_post_meta($post_id, $this->id . '_fields', TRUE);
if ( ! empty($fields) AND is_array($fields))
{
$meta = array();
foreach ($fields as $field)
{
$field_noprefix = preg_replace('/^' . $this->prefix . '/i', '', $field);
$meta[$field_noprefix] = get_post_meta($post_id, $field, TRUE);
}
}
$this->meta = $meta;
return $this->meta;
}
// user can also use the_ID(), php functions are case-insensitive
/**
* @since 1.0
* @access public
*/
function the_id()
{
echo $this->get_the_id();
}
/**
* @since 1.0
* @access public
*/
function get_the_id()
{
return $this->id;
}
/**
* @since 1.0
* @access public
*/
function the_field($n, $hint = NULL)
{
if ($this->in_loop) $this->subname = $n;
else $this->name = $n;
$this->hint = $hint;
}
/**
* @since 1.0
* @access public
*/
function have_value($n = NULL)
{
if ($this->get_the_value($n)) return TRUE;
return FALSE;
}
/**
* @since 1.0
* @access public
*/
function the_value($n = NULL)
{
echo $this->get_the_value($n);
}
/**
* @since 1.0
* @access public
*/
function get_the_value($n = NULL, $collection = FALSE)
{
$this->_meta(NULL, TRUE);
$value = null;
if ($this->in_loop)
{
if(isset($this->meta[$this->name]))
{
$n = is_null($n) ? $this->subname : $n ;
if(!is_null($n))
{
if ($collection)
{
if(isset($this->meta[$this->name][$this->current]))
{
$value = $this->meta[$this->name][$this->current];
}
}
else
{
if(isset($this->meta[$this->name][$this->current][$n]))
{
$value = $this->meta[$this->name][$this->current][$n];
}
}
}
else
{
if ($collection)
{
if(isset($this->meta[$this->name]))
{
$value = $this->meta[$this->name];
}
}
else
{
if(isset($this->meta[$this->name][$this->current]))
{
$value = $this->meta[$this->name][$this->current];
}
}
}
}
}
else
{
$n = is_null($n) ? $this->name : $n ;
if(isset($this->meta[$n]))
{
$value = $this->meta[$n];
}
}
if (is_string($value) || is_numeric($value))
{
if ($this->in_template)
{
return htmlentities($value, ENT_QUOTES, 'UTF-8');
}
else
{
// http://wordpress.org/support/topic/call-function-called-by-embed-shortcode-direct
// http://phpdoc.wordpress.org/trunk/WordPress/Embed/WP_Embed.html#run_shortcode
global $wp_embed;
return do_shortcode($wp_embed->run_shortcode($value));
}
}
else
{
// value can sometimes be an array
return $value;
}
}
/**
* @since 1.0
* @access public
*/
function the_name($n = NULL)
{
echo $this->get_the_name($n);
}
/**
* @since 1.0
* @access public
*/
function get_the_name($n = NULL)
{
if (!$this->in_template AND $this->mode == WPALCHEMY_MODE_EXTRACT)
{
return $this->prefix . str_replace($this->prefix, '', is_null($n) ? $this->name : $n);
}
if ($this->in_loop)
{
$n = is_null($n) ? $this->subname : $n ;
if (!is_null($n)) $the_field = $this->id . '[' . $this->name . '][' . $this->current . '][' . $n . ']' ;
else $the_field = $this->id . '[' . $this->name . '][' . $this->current . ']' ;
}
else
{
$n = is_null($n) ? $this->name : $n ;
$the_field = $this->id . '[' . $n . ']';
}
$hints = array
(
WPALCHEMY_FIELD_HINT_CHECKBOX_MULTI,
WPALCHEMY_FIELD_HINT_SELECT_MULTI,
WPALCHEMY_FIELD_HINT_SELECT_MULTIPLE,
);
if (in_array($this->hint, $hints))
{
$the_field .= '[]';
}
return $the_field;
}
/**
* @since 1.1
* @access public
*/
function the_index()
{
echo $this->get_the_index();
}
/**
* @since 1.1
* @access public
*/
function get_the_index()
{
return $this->in_loop ? $this->current : 0 ;
}
/**
* @since 1.0
* @access public
*/
function is_first()
{
if ($this->in_loop AND $this->current == 0) return TRUE;
return FALSE;
}
/**
* @since 1.0
* @access public
*/
function is_last()
{
if ($this->in_loop AND ($this->current+1) == $this->length) return TRUE;
return FALSE;
}
/**
* Used to check if a value is a match
*
* @since 1.1
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @return bool
* @see is_value()
*/
function is_value($n, $v = NULL)
{
if (is_null($v))
{
$the_value = $this->get_the_value();
$v = $n;
}
else
{
$the_value = $this->get_the_value($n);
}
if($v == $the_value) return TRUE;
return FALSE;
}
/**
* Used to check if a value is selected, useful when working with checkbox,
* radio and select values.
*
* @since 1.3
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @return bool
* @see is_value()
*/
function is_selected($n, $v = NULL)
{
if (is_null($v))
{
$the_value = $this->get_the_value(NULL);
$v = $n;
}
else
{
$the_value = $this->get_the_value($n);
}
if (is_array($the_value))
{
if (in_array($v, $the_value)) return TRUE;
}
elseif($v == $the_value)
{
return TRUE;
}
return FALSE;
}
/**
* Prints the current state of a checkbox field and should be used inline
* within the INPUT tag.
*
* @since 1.3
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @see get_the_checkbox_state()
*/
function the_checkbox_state($n, $v = NULL)
{
echo $this->get_the_checkbox_state($n, $v);
}
/**
* Returns the current state of a checkbox field, the returned string is
* suitable to be used inline within the INPUT tag.
*
* @since 1.3
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @return string suitable to be used inline within the INPUT tag
* @see the_checkbox_state()
*/
function get_the_checkbox_state($n, $v = NULL)
{
if ($this->is_selected($n, $v)) return ' checked="checked"';
}
/**
* Prints the current state of a radio field and should be used inline
* within the INPUT tag.
*
* @since 1.3
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @see get_the_radio_state()
*/
function the_radio_state($n, $v = NULL)
{
echo $this->get_the_checkbox_state($n, $v);
}
/**
* Returns the current state of a radio field, the returned string is
* suitable to be used inline within the INPUT tag.
*
* @since 1.3
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @return string suitable to be used inline within the INPUT tag
* @see the_radio_state()
*/
function get_the_radio_state($n, $v = NULL)
{
return $this->get_the_checkbox_state($n, $v);
}
/**
* Prints the current state of a select field and should be used inline
* within the SELECT tag.
*
* @since 1.3
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @see get_the_select_state()
*/
function the_select_state($n, $v = NULL)
{
echo $this->get_the_select_state($n, $v);
}
/**
* Returns the current state of a select field, the returned string is
* suitable to be used inline within the SELECT tag.
*
* @since 1.3
* @access public
* @param string $n the field name to check or the value to check for (if the_field() is used prior)
* @param string $v optional the value to check for
* @return string suitable to be used inline within the SELECT tag
* @see the_select_state()
*/
function get_the_select_state($n, $v = NULL)
{
if ($this->is_selected($n, $v)) return ' selected="selected"';
}
/**
* @since 1.1
* @access public
*/
function the_group_open($t = 'div')
{
echo $this->get_the_group_open($t);
}
/**
* @since 1.1
* @access public
*/
function get_the_group_open($t = 'div')
{
$this->group_tag = $t;
$loop_open = NULL;
$loop_open_classes = array('wpa_loop', 'wpa_loop-' . $this->name);
$css_class = array('wpa_group', 'wpa_group-'. $this->name);
if ($this->is_first())
{
array_push($css_class, 'first');
$loop_open = '<div class="wpa_loop">';
if (isset($this->_loop_data->limit))
{
array_push($loop_open_classes, 'wpa_loop_limit-' . $this->_loop_data->limit);
}
$loop_open = '<div id="wpa_loop-'. $this->name .'" class="' . implode(' ', $loop_open_classes) . '">';
}
if ($this->is_last())
{
array_push($css_class, 'last');
if ($this->in_loop == 'multi')
{
array_push($css_class, 'tocopy');
}
}
return $loop_open . '<' . $t . ' class="'. implode(' ', $css_class) . '">';
}
/**
* @since 1.1
* @access public
*/
function the_group_close()
{
echo $this->get_the_group_close();
}
/**
* @since 1.1
* @access public
*/
function get_the_group_close()
{
$loop_close = NULL;
if ($this->is_last())
{
$loop_close = '</div>';
}
return '</' . $this->group_tag . '>' . $loop_close;
}
/**
* @since 1.1
* @access public
*/
function have_fields_and_multi($n, $options = NULL)
{
if (is_array($options))
{
// use as stdClass object
$options = (object)$options;
$length = @$options->length;
$this->_loop_data->limit = @$options->limit;
}
else
{
// backward compatibility (bc)
$length = $options;
}
$this->_meta(NULL, TRUE);
$this->in_loop = 'multi';
return $this->_loop($n, $length, 2);
}
/**
* @deprecated
* @since 1.0
* @access public
*/
function have_fields_and_one($n)
{
$this->_meta(NULL, TRUE);
$this->in_loop = 'single';
return $this->_loop($n,NULL,1);
}
/**
* @since 1.0
* @access public
*/
function have_fields($n,$length=NULL)
{
$this->_meta(NULL, TRUE);
$this->in_loop = 'normal';
return $this->_loop($n,$length);
}
/**
* @since 1.0
* @access private
*/
function _loop($n,$length=NULL,$and_one=0)
{
if (!$this->in_loop)
{
$this->in_loop = TRUE;
}
$this->name = $n;
$cnt = count(!empty($this->meta[$n])?$this->meta[$n]:NULL);
$length = is_null($length) ? $cnt : $length ;
if ($this->in_loop == 'multi' AND $cnt > $length) $length = $cnt;
$this->length = $length;
if ($this->in_template AND $and_one)
{
if ($length == 0)
{
$this->length = $and_one;
}
else
{
$this->length = $length+1;
}
}
$this->current++;
if ($this->current < $this->length)
{
$this->subname = NULL;
$this->fieldtype = NULL;
return TRUE;
}
else if ($this->current == $this->length)
{
$this->name = NULL;
$this->current = -1;
}
$this->in_loop = FALSE;
$this->_loop_data = new stdClass;
return FALSE;
}
/**
* @since 1.0
* @access private
*/
function _save($post_id)
{
/**
* note: the "save_post" action fires for saving revisions and post/pages,
* when saving a post this function fires twice, once for a revision save,
* and again for the post/page save ... the $post_id is different for the
* revision save, this means that "get_post_meta()" will not work if trying
* to get values for a revision (as it has no post meta data)
* see http://alexking.org/blog/2008/09/06/wordpress-26x-duplicate-custom-field-issue
*
* why let the code run twice? wordpress does not currently save post meta
* data per revisions (I think it should, so users can do a complete revert),
* so in the case that this functionality changes, let it run twice
*/
$real_post_id = isset($_POST['post_ID']) ? $_POST['post_ID'] : NULL ;
// check autosave
if (defined('DOING_AUTOSAVE') AND DOING_AUTOSAVE AND !$this->autosave) return $post_id;
// make sure data came from our meta box, verify nonce
$nonce = isset($_POST[$this->id.'_nonce']) ? $_POST[$this->id.'_nonce'] : NULL ;
if (!wp_verify_nonce($nonce, $this->id)) return $post_id;
// check user permissions
if ($_POST['post_type'] == 'page')
{
if (!current_user_can('edit_page', $post_id)) return $post_id;
}
else
{
if (!current_user_can('edit_post', $post_id)) return $post_id;
}
// authentication passed, save data
$new_data = isset( $_POST[$this->id] ) ? $_POST[$this->id] : NULL ;
WPAlchemy_MetaBox::clean($new_data);
if (empty($new_data))
{
$new_data = NULL;
}
// filter: save
if ($this->has_filter('save'))
{
$new_data = $this->apply_filters('save', $new_data, $real_post_id);
/**
* halt saving
* @since 1.3.4
*/
if (FALSE === $new_data) return $post_id;
WPAlchemy_MetaBox::clean($new_data);
}
// get current fields, use $real_post_id (checked for in both modes)
$current_fields = get_post_meta($real_post_id, $this->id . '_fields', TRUE);
if ($this->mode == WPALCHEMY_MODE_EXTRACT)
{
$new_fields = array();
if (is_array($new_data))
{
foreach ($new_data as $k => $v)
{
$field = $this->prefix . $k;
array_push($new_fields,$field);
$new_value = $new_data[$k];
if (is_null($new_value))
{
delete_post_meta($post_id, $field);
}
else
{
update_post_meta($post_id, $field, $new_value);
}
}
}
$diff_fields = array_diff((array)$current_fields,$new_fields);
if (is_array($diff_fields))
{
foreach ($diff_fields as $field)
{
delete_post_meta($post_id,$field);
}
}
delete_post_meta($post_id, $this->id . '_fields');
if ( ! empty($new_fields))
{
add_post_meta($post_id,$this->id . '_fields', $new_fields, TRUE);
}
// keep data tidy, delete values if previously using WPALCHEMY_MODE_ARRAY
delete_post_meta($post_id, $this->id);
}
else
{
if (is_null($new_data))
{
delete_post_meta($post_id, $this->id);
}
else
{
update_post_meta($post_id, $this->id, $new_data);
}
// keep data tidy, delete values if previously using WPALCHEMY_MODE_EXTRACT
if (is_array($current_fields))
{
foreach ($current_fields as $field)
{
delete_post_meta($post_id, $field);
}
delete_post_meta($post_id, $this->id . '_fields');
}
}
// action: save
if ($this->has_action('save'))
{
$this->do_action('save', $new_data, $real_post_id);
}
return $post_id;
}
/**
* Cleans an array, removing blank ('') values
*
* @static
* @since 1.0
* @access public
* @param array the array to clean (passed by reference)
*/
function clean(&$arr)
{
if (is_array($arr))
{
foreach ($arr as $i => $v)
{
if (is_array($arr[$i]))
{
WPAlchemy_MetaBox::clean($arr[$i]);
if (!count($arr[$i]))
{
unset($arr[$i]);
}
}
else
{
if ('' == trim($arr[$i]) OR is_null($arr[$i]))
{
unset($arr[$i]);
}
}
}
if (!count($arr))
{
$arr = array();
}
else
{
$keys = array_keys($arr);
$is_numeric = TRUE;
foreach ($keys as $key)
{
if (!is_numeric($key))
{
$is_numeric = FALSE;
break;
}
}
if ($is_numeric)
{
$arr = array_values($arr);
}
}
}
}
}
/* eof */
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