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wpt_event.php
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wpt_event.php
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<?php
/** Usage:
*
* $event = new WPT_Event();
* $event = new WPT_Event($post_id);
* $event = new WPT_Event($post);
*
* echo $event->html(); // output the details of an event as HTML
*
* echo $event->prices( array('summary'=>true) ) // // a summary of all available ticketprices
* echo $event->datetime() // timestamp of the event
* echo $event->startdate() // localized and formatted date of the event
* echo $event->starttime() // localized and formatted time of the event
*
*/
class WPT_Event {
const post_type_name = 'wp_theatre_event';
const tickets_status_onsale = '_onsale';
const tickets_status_hidden = '_hidden';
const tickets_status_cancelled = '_cancelled';
const tickets_status_soldout = '_soldout';
const tickets_status_other = '_other';
function __construct( $ID = false, $PostClass = false ) {
$this->PostClass = $PostClass;
if ( $ID instanceof WP_Post ) {
// $ID is a WP_Post object
if ( ! $PostClass ) {
$this->post = $ID;
}
$ID = $ID->ID;
}
$this->ID = $ID;
$this->format = 'full';
}
function post_type() {
return get_post_type_object( self::post_type_name );
}
function post_class() {
$classes = array();
$classes[] = self::post_type_name;
return implode( ' ',$classes );
}
protected function apply_template_filters( $value, $filters ) {
foreach ( $filters as $filter ) {
$value = $filter->apply_to( $value, $this );
}
return $value;
}
/**
* Event city.
*
* @since 0.4
* @since 0.15.29 Added a filter for the event city value.
* See: https://github.com/slimndap/wp-theatre/issues/254
*
* @return string City.
*/
function city( $args = array() ) {
global $wp_theatre;
$defaults = array(
'html' => false,
'filters' => array(),
);
$args = wp_parse_args( $args, $defaults );
if ( ! isset( $this->city ) ) {
/**
* Filter the value of the event city.
*
* @since 0.15.29
* @param string $city The value of the event city.
* @param WPT_Event $event The event.
*/
$this->city = apply_filters( 'wpt_event_city', get_post_meta( $this->ID, 'city', true ), $this );
}
if ( $args['html'] ) {
$html = '<div class="'.self::post_type_name.'_city">';
$html .= $this->apply_template_filters( $this->city, $args['filters'] );
$html .= '</div>';
return apply_filters( 'wpt_event_city_html', $html, $this );
} else {
return $this->city;
}
}
/**
* Returns value of a custom field.
*
* @since 0.8.3
* @since 0.15 Fixed an error when no production is set for the event.
* @since 0.15.27 Fix: $fallback_to_production was not doing anything.
* Deprecated the $args argument.
* Moved HTML output to WPT_Event::custom_html().
*
* @uses WPT_Event::custom_html() to get the HTM for a custom field.
* @uses WPT_Event::production() to get the production of an event.
*
* @param string $field The custom field.
* @param bool $fallback_to_production Use the value of the production if the value of the event is empty?
* Defaults to <true>.
* @return string The value of a custom field.
*/
function custom( $field, $fallback_to_production = true ) {
// Add backwards compatibility for the deprecated $args argument.
if ( is_array( $fallback_to_production ) && !empty( $fallback_to_production['html'] ) ) {
$filters = array();
if ( !empty( $fallback_to_production['filters'] ) ) {
$filters = $fallback_to_production['filters'];
}
return $this->custom_html( $field, $filters );
}
$value = get_post_meta( $this->ID, $field, true );
/**
* Filter the value of a custom field.
*
* @since 0.8.3
* @param string $value The value of a custom field.
* @param string $field The custom field.
* @param WPT_Event $event The event.
*/
$value = apply_filters( 'wpt_event_'.$field, $value, $field, $this );
if ( empty($value) && $fallback_to_production && $production = $this->production() ) {
$value = $production->custom( $field );
}
return $value;
}
/**
* Gets the HTML for a custom field.
*
* @since 0.15.27
*
* @uses WPT_Event::custom() to get the value of a custom field.
* @uses WPT_Event::apply_template_filters() to apply template filters to the custom field value.
*
* @param string $field The custom field.
* @param array $filters The template filters to apply.
* @param bool $fallback_to_production Use the value of the production if the value of the event is empty?
* @return string The HTML for a custom field.
*/
function custom_html( $field, $filters = array(), $fallback_to_production = true ) {
$value = $this->custom( $field, $fallback_to_production );
ob_start();
?><div class="<?php echo self::post_type_name; ?>_<?php echo $field; ?>"><?php
echo $this->apply_template_filters( $value, $filters );
?></div><?php
$html = ob_get_clean();
/**
* Filter the HTML for a custom field.
*
* @since 0.8.3
*
* @param string $html The HTML for a custom field.
* @param string $field The custom field.
* @param WPT_Event $event The event.
*/
$html = apply_filters( 'wpt_event_'.$field.'_html', $html, $field, $this );
return $html;
}
/**
* Gets the event timestamp.
*
* @since 0.4
* @since 0.10.15 Always return the datetime in UTC.
* @since 0.12.7 Moved HTML output to WPT_Event::datetime_html().
*
* @param bool $enddate Wheter to return the end datetime instead of the start endtime.
* @return datetime The event timestamp.
* Returns false if no date is set.
*/
function datetime( $enddate = false ) {
if ( ! empty( $enddate['html'] ) ) {
$filters = array();
if ( ! empty( $enddate['filters'] ) ) {
$filters = $enddate['filters'];
}
return $this->datetime_html( $filters );
}
if ( ! empty( $enddate['start'] ) ) {
$enddate = false;
}
if ( false === $enddate ) {
$date = get_post_meta( $this->ID, 'event_date', true );
} else {
$date = get_post_meta( $this->ID, 'enddate', true );
}
if ( empty( $date ) ) {
return false;
}
$datetime = date_i18n( 'U', strtotime( $date, current_time( 'timestamp' ) ) - get_option( 'gmt_offset' ) * 3600 );
/**
* Filter the event datetime.
*
* @since 0.12.7
* @param datetime $datetime The event timestamp.
* @param WPT_Event $event The event.
*/
$datetime = apply_filters( 'wpt/event/datetime', $datetime, $this );
$datetime = apply_filters( 'wpt_event_datetime', $datetime, $this );
return $datetime;
}
/**
* Gets the HTML for the event timestamp.
*
* @since 0.12.7
* @param array $filters The template filters to apply.
* @return sring The HTML for the event timestamp.
*/
function datetime_html( $filters = array() ) {
$html = '<div class="'.self::post_type_name.'_datetime">';
$datetime_html = $this->startdate_html().$this->starttime_html();
foreach ( $filters as $filter ) {
if ( 'date' == $filter->name ) {
$datetime_html = $filter->apply_to( $this->datetime(), $this );
} else {
$datetime_html = $filter->apply_to( $datetime_html, $this );
}
}
$html .= $datetime_html;
$html .= '</div>';
/**
* Filter the HTML for the event timestamp.
*
* @since 0.12.7
* @param string $html The HTML for the event timestamp.
* @param array $filters The template filters to apply.
* @param WPT_Event $event The event.
*/
$html = apply_filters( 'wpt/event/datetime/html', $html, $filters, $this );
return $html;
}
/**
* Gets the duration of an event.
*
* @since 0.?
* @since 0.15.16 Fixed call to apply_template_filters(). '$this->' was missing.
* See: https://github.com/slimndap/wp-theatre/pull/231
* @param array $args (default: array())
* @return string
*/
function duration( $args = array() ) {
global $wp_theatre;
$defaults = array(
'html' => false,
'filters' => array(),
);
$args = wp_parse_args( $args, $defaults );
if (
! isset( $this->duration ) &&
! empty( $this->post()->enddate ) &&
$this->post()->enddate > $this->post()->event_date
) {
// Don't use human_time_diff until filters are added.
// See: https://core.trac.wordpress.org/ticket/27271
// $this->duration = apply_filters('wpt_event_duration',human_time_diff(strtotime($this->post()->enddate), strtotime($this->post()->event_date)),$this);
$seconds = abs( strtotime( $this->post()->enddate ) - strtotime( $this->post()->event_date ) );
$minutes = (int) $seconds / 60;
$text = $minutes.' '._n( 'minute','minutes', $minutes, 'theatre' );
$this->duration = apply_filters( 'wpt_event_duration',$text,$this );
}
if ( $args['html'] ) {
$html = '';
$html .= '<div class="'.self::post_type_name.'_duration">';
$html .= $this->apply_template_filters( $this->duration, $args['filters'] );
$html .= '</div>';
return $html;
} else {
return $this->duration;
}
}
/**
* Gets the event enddate.
*
* @since 0.12
* @since 0.12.7 Now returns <false> is no endate is set.
* See: https://github.com/slimndap/wp-theatre/issues/165
* @return string The event enddate.
* Returns <false> if no endate is set.
*/
function enddate() {
$enddate = false;
if ( $datetime = $this->datetime( true ) ) {
$enddate = date_i18n(
get_option( 'date_format' ),
$datetime + get_option( 'gmt_offset' ) * 3600
);
}
$enddate = apply_filters( 'wpt/event/enddate', $enddate, $this );
return $enddate;
}
/**
* Gets the HTML for the event enddate.
*
* @since 0.12
* @since 0.12.7 No longer returns a date when no enddate is set.
* See: https://github.com/slimndap/wp-theatre/issues/165
* @param array $filters The template filters to apply.
* @return sring The HTML for the event enddate.
*/
function enddate_html( $filters = array() ) {
$html = '<div class="'.self::post_type_name.'_date '.self::post_type_name.'_enddate">';
if ( $enddate_html = $this->enddate() ) {
foreach ( $filters as $filter ) {
if ( 'date' == $filter->name ) {
$enddate_html = $filter->apply_to(
$this->datetime( true ) + get_option( 'gmt_offset' ) * 3600,
$this
);
} else {
$enddate_html = $filter->apply_to( $enddate_html, $this );
}
}
$html .= $enddate_html;
}
$html .= '</div>';
$html = apply_filters( 'wpt/event/enddate/html', $html, $filters, $this );
return $html;
}
/**
* Gets the event endtime.
*
* @since 0.12
* @since 0.12.7 Now returns <false> is no endate is set.
* See: https://github.com/slimndap/wp-theatre/issues/165
* @return string The event endtime.
* Returns <false> if no endate is set.
*/
function endtime() {
$endtime = false;
if ( $datetime = $this->datetime( true ) ) {
$endtime = date_i18n(
get_option( 'time_format' ),
$datetime + get_option( 'gmt_offset' ) * 3600
);
}
$endtime = apply_filters( 'wpt/event/endtime', $endtime, $this );
return $endtime;
}
/**
* Gets the HTML for the event endtime.
*
* @since 0.12
* @since 0.12.7 No longer returns a time when no enddate is set.
* See: https://github.com/slimndap/wp-theatre/issues/165
* @param array $filters The template filters to apply.
* @return sring The HTML for the event endtime.
*/
function endtime_html( $filters = array() ) {
global $wp_theatre;
$html = '<div class="'.self::post_type_name.'_time '.self::post_type_name.'_endtime">';
if ( $endtime_html = $this->endtime() ) {
foreach ( $filters as $filter ) {
if ( 'date' == $filter->name ) {
$endtime_html = $filter->apply_to( $this->datetime( true ) + get_option( 'gmt_offset' ) * 3600, $this );
} else {
$endtime_html = $filter->apply_to( $endtime_html, $this );
}
}
$html .= $endtime_html;
}
$html .= '</div>';
$html = apply_filters( 'wpt/event/endtime/html', $html, $filters, $this );
return $html;
}
/**
* Event location.
*
* Returns the event venue and city combined as plain text or as an HTML element.
*
* @since 0.4
*
* @param array $args {
* @type bool $html Return HTML? Default <false>.
* }
*
* @see WPT_Event::venue().
* @see WPT_Event::city().
*
* @return string text or HTML.
*/
function location( $args = array() ) {
global $wp_theatre;
$defaults = array(
'html' => false,
'filters' => array(),
);
$args = wp_parse_args( $args, $defaults );
if ( ! isset( $this->location ) ) {
$location = '';
$venue = $this->venue();
$city = $this->city();
if ( ! empty( $venue ) ) {
$location .= $this->venue();
}
if ( ! empty( $city ) ) {
if ( ! empty( $venue ) ) {
$location .= ' ';
}
$location .= $this->city();
}
$this->location = apply_filters( 'wpt_event_location',$location,$this );
}
if ( $args['html'] ) {
$venue = $this->venue();
$city = $this->city();
$html = '';
$html .= '<div class="'.self::post_type_name.'_location">';
$html .= $this->venue( $args );
$html .= $this->city( $args );
$html .= '</div>'; // .location
return apply_filters( 'wpt_event_location_html', $html, $this );
} else {
return $this->location;
}
}
/**
* Get the event permalink.
*
* The permalink is inherited from the parent production.
*
* @since 0.?
* @since 0.13.6 Added a 'wpt/event/permalink' filter.
* Moved HTML version to separate function.
* @return string The permalink.
*/
function permalink( $deprecated = array() ) {
if ( ! empty( $deprecated['html'] ) ) {
return $this->permalink_html( $deprecated );
}
$permalink = $this->production()->permalink( $deprecated );
/**
* Filter the event permalink.
*
* @since 0.13.6
* @param string $permalink The event permalink.
* @param WPT_Event $event The event.
*/
$permalink = apply_filters( 'wpt/event/permalink', $permalink, $this );
return $permalink;
}
/**
* Get the HTML for the event permalink.
*
* The permalink is inherited from the parent production.
*
* @since 0.13.6
* @return string The HTML for the event permalink.
*/
function permalink_html( $args = array() ) {
$args['html'] = true;
$html = $this->production()->permalink( $args );
/**
* Filter the HTML for the event permalink.
*
* @since 0.13.6
* @param string $html The HTML for the event permalink.
* @param WPT_Event $event The event.
*/
$html = apply_filters( 'wpt/event/permalink/html', $html, $this );
return $html;
}
/**
* Gets the event prices.
*
* @since 0.4
* @since 0.10.14 Deprecated the HTML argument.
* Use @see WPT_Event::prices_html() instead.
*
* @return array The event prices.
*/
function prices( $deprecated = array() ) {
if ( ! empty( $deprecated['html'] ) ) {
return $this->prices_html();
}
if ( ! empty( $deprecated['summary'] ) ) {
return $this->prices_summary();
}
$prices = get_post_meta( $this->ID,'_wpt_event_tickets_price' );
for ( $p = 0;$p < count( $prices );$p++ ) {
$price_parts = explode( '|',$prices[ $p ] );
$prices[ $p ] = (float) $price_parts[0];
}
/**
* Filter the event prices.
*
* @since 0.10.14
* @param array $prices The current prices.
* @param WPT_Event $event The event.
*/
$prices = apply_filters( 'wpt/event/prices',$prices, $this );
/**
* @deprecated 0.10.14
*/
$prices = apply_filters( 'wpt_event_prices',$prices, $this );
return $prices;
}
/**
* Gets the HTML for the event prices.
*
* @since 0.10.14
* @see WPT_Event::prices_summary_html()
* @return string The HTML.
*/
public function prices_html() {
$html = '';
$prices_summary_html = $this->prices_summary_html();
if ( ! empty( $prices_summary_html ) ) {
$html = '<div class="'.self::post_type_name.'_prices">'.$prices_summary_html.'</div>';
}
/**
* Filter the HTML for the event prices.
*
* @since 0.10.14
* @param string $html The current html.
* @param WPT_Event $event The event.
*/
$html = apply_filters( 'wpt/event/prices/html', $html, $this );
/**
* @deprecated 0.10.14
*/
$html = apply_filters( 'wpt_event_prices_html', $html, $this );
return $html;
}
/**
* Gets a summary of event prices.
*
* @since 0.10.14
* @see WPT_Event::prices()
* @return array A summary of event prices.
*/
public function prices_summary() {
global $wp_theatre;
$prices = $this->prices();
$prices_summary = '';
if ( count( $prices ) ) {
if ( count( $prices ) > 1 ) {
$prices_summary .= __( 'from','theatre' ).' ';
}
if ( ! empty( $wp_theatre->wpt_tickets_options['currencysymbol'] ) ) {
$prices_summary .= $wp_theatre->wpt_tickets_options['currencysymbol'].' ';
}
$prices_summary .= number_format_i18n( (float) min( $prices ), 2 );
}
/**
* Filter the summary of event prices.
*
* @since 0.10.14
* @param string $prices_summary The current summary.
* @param WPT_Event $event The event.
*/
$prices_summary = apply_filters( 'wpt/event/prices/summary',$prices_summary, $this );
return $prices_summary;
}
/**
* Gets the HTML for the summary of event prices.
*
* @since 0.10.14
* @see WPT_Event::prices_summary()
* @return string The HTML.
*/
public function prices_summary_html() {
$html = $this->prices_summary();
$html = esc_html( $html );
$html = str_replace( ' ', ' ', $html );
/**
* Filter the HTML for the summary of event prices.
*
* @since 0.10.14
* @param string $html The current html.
* @param WPT_Event $event The event.
*/
$html = apply_filters( 'wpt/event/prices/summary/html', $html, $this );
return $html;
}
/**
* Event production.
*
* Returns the production of the event as a WPT_Production object.
*
* @since 0.4
* @since 0.15 Removed local caching of event production.
* Return <false> if no production is set.
*
* @return WPT_Production The production.
* Returns <false> if no production is set.
*/
function production() {
$production_id = get_post_meta( $this->ID,WPT_Production::post_type_name, true );
// Bail if no production ID is set.
if (empty($production_id)) {
return false;
}
/*
* Bail if production doesn't exist.
* See: https://tommcfarlin.com/wordpress-post-exists-by-id/
*/
if (FALSE === get_post_status( $production_id )) {
return false;
}
$production = new WPT_Production( $production_id, $this->PostClass );
return $production;
}
/**
* Event remark.
*
* Returns the event remark as plain text of as an HTML element.
*
* @since 0.4
*
* @param array $args {
* @type bool $html Return HTML? Default <false>.
* }
* @return string text or HTML.
*/
function remark( $args = array() ) {
global $wp_theatre;
$defaults = array(
'html' => false,
'text' => false,
'filters' => array(),
);
$args = wp_parse_args( $args, $defaults );
if ( ! isset( $this->remark ) ) {
$this->remark = apply_filters( 'wpt_event_remark',get_post_meta( $this->ID,'remark',true ), $this );
}
if ( $args['html'] ) {
$html = '';
$html .= '<div class="'.self::post_type_name.'_remark">';
$html .= $this->apply_template_filters( $this->remark, $args['filters'] );
$html .= '</div>';
return apply_filters( 'wpt_event_remark_html', $html, $this );
} else {
return $this->remark;
}
}
/**
* Gets a valid event tickets link.
*
* Returns a valid event tickets URL for events that are on sales and take
* place in the future.
*
* @since 0.4
* @since 0.10.14 Deprecated the HTML argument.
* Use @see WPT_Event::tickets_html() instead.
* @since 0.13.1 Check for upcoming event now accounts for timezones.
* Fixes #167.
*
* @return string The tickets URL or ''.
*/
function tickets( $deprecated = array() ) {
if ( ! empty( $deprecated['html'] ) ) {
return $this->tickets_html();
}
$tickets = '';
if (
self::tickets_status_onsale == $this->tickets_status() &&
$this->datetime() > current_time( 'timestamp', true )
) {
$tickets = $this->tickets_url();
}
/**
* Filter the valid event tickets link.
*
* @since 0.10.14
* @param array $prices The current valid event tickets link.
* @param WPT_Event $event The event.
*/
$tickets = apply_filters( 'wpt/event/tickets',$tickets,$this );
/**
* @deprecated 0.10.14
*/
$tickets = apply_filters( 'wpt_event_tickets',$tickets,$this );
return $tickets;
}
/**
* Gets the text for the event tickets link.
*
* @since 0.10.14
* @return string The text for the event tickets link.
*/
public function tickets_button() {
$tickets_button = get_post_meta( $this->ID,'tickets_button',true );
if ( empty( $tickets_button ) ) {
$tickets_button = __( 'Tickets', 'theatre' );
}
/**
* Filter the text for the event tickets link.
*
* @since 0.10.14
* @param string $tickets_button The current text for the event tickets link.
* @param WPT_Event $event The event.
*/
$tickets_button = apply_filters( 'wpt/event/tickets/button', $tickets_button, $this );
return ($tickets_button);
}
/**
* Gets the HTML for a valid event tickets link.
*
* @since 0.10.14
* @since 0.11.10 Don't return anything for historic events with an 'on sale' status.
* Fixes #118.
* @since 0.13.1 Check for upcoming event now accounts for timezones.
* Fixes #167.
*
* @return string The HTML for a valid event tickets link.
*/
public function tickets_html() {
$html = '';
$tickets_status = $this->tickets_status();
$html .= '<div class="'.self::post_type_name.'_tickets">';
if ( self::tickets_status_onsale == $this->tickets_status() ) {
if ( $this->datetime() > current_time( 'timestamp', true ) ) {
$html .= $this->tickets_url_html();
$prices_html = $this->prices_html();
$prices_html = apply_filters( 'wpt_event_tickets_prices_html', $prices_html, $this );
$html .= $prices_html;
}
} else {
$html .= $this->tickets_status_html();
}
$html .= '</div>'; // .tickets
/**
* Filter the HTML for the valid event tickets link.
*
* @since 0.10.14
* @param string $html The current HTML.
* @param WPT_Event $event The event.
*/
$html = apply_filters( 'wpt/event/tickets/html', $html, $this );
/**
* @deprecated 0.10.14
*/
$html = apply_filters( 'wpt_event_tickets_html', $html, $this );
return $html;
}
/**
* Gets the event tickets status.
*
* @since 0.10.14
* @return string The event tickets status.
*/
public function tickets_status() {
$tickets_status = get_post_meta( $this->ID,'tickets_status',true );
if ( empty( $tickets_status ) ) {
$tickets_status = self::tickets_status_onsale;
}
/**
* Filter the tickets status value for an event.
*
* @since 0.10.14 Renamed filter.
*
* @param string $status The current value of the tickets status.
* @param WPT_Event $this The event object.
*/
$tickets_status = apply_filters( 'wpt/event/tickets/status', $tickets_status, $this );
/**
* @since 0.10.9
* @deprecated 0.10.14
*/
$tickets_status = apply_filters( 'wpt_event_tickets_status', $tickets_status, $this );
return $tickets_status;
}
/**
* Get the HTML for the event tickets status.
*
* @since 0.10.14
* @return string The HTML for the event tickets status.
*/
public function tickets_status_html() {
$tickets_status = $this->tickets_status();
switch ( $tickets_status ) {
case self::tickets_status_onsale :
$label = __( 'On sale','theatre' );
break;
case self::tickets_status_soldout :
$label = __( 'Sold out','theatre' );
break;
case self::tickets_status_cancelled :
$label = __( 'Cancelled','theatre' );
break;
case self::tickets_status_hidden :
$label = '';
break;
default :
$label = $tickets_status;
$tickets_status = self::tickets_status_other;
}
$html = '';
if ( ! empty( $label ) ) {
$html .= '<span class="'.self::post_type_name.'_tickets_status '.self::post_type_name.'_tickets_status'.$tickets_status.'">'.$label.'</span>';
}
/**
* Filter the HTML for the event tickets status.
*
* @since 0.10.14
* @param string $html The current HTML.
* @param WPT_Event $event The event.
*/
$html = apply_filters( 'wpt/event/tickets/status/html', $html, $this );
return $html;
}
/**
* Gets the event tickets URL.
*
* @since 0.8.3
* @since 0.10.14 Deprecated the HTML argument.
* Use @see WPT_Event::tickets_url_html() instead.
* @since 0.12 Moved the iframe url to a new method.
* @see WPT_Event::tickets_url_iframe().
* @return string The event tickets URL.
*/
function tickets_url( $deprecated = array() ) {
global $wp_theatre;
if ( ! empty( $deprecated['html'] ) ) {
return $this->tickets_url_html();
}
$tickets_url = get_post_meta( $this->ID,'tickets_url',true );
if (
! empty( $wp_theatre->wpt_tickets_options['integrationtype'] ) &&
'iframe' == $wp_theatre->wpt_tickets_options['integrationtype'] &&
! empty( $tickets_url ) &&
$tickets_url_iframe = $this->tickets_url_iframe()
) {
$tickets_url = $tickets_url_iframe;
}
/**
* Filter the event tickets URL.
*
* @since 0.10.14
*
* @param string $status The current value of the event tickets URL.
* @param WPT_Event $this The event object.
*/
$tickets_url = apply_filters( 'wpt/event/tickets/url',$tickets_url,$this );
/**
* @deprecated 0.10.14
*/
$tickets_url = apply_filters( 'wpt_event_tickets_url',$tickets_url,$this );
return $tickets_url;
}
/**
* Gets the event tickets iframe URL.
*
* @since 0.12
* @return string|bool The event tickets iframe URL or
* <false> if no iframe page is set.
*/
public function tickets_url_iframe() {
global $wp_theatre;
if ( empty( $wp_theatre->wpt_tickets_options['iframepage'] ) ) {
return false;
}