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/**

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* Check if WPML plugin is active.

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* @since 4.2

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* @return bool

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function et_core_is_wpml_plugin_active() {

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return class_exists( 'SitePress' );

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}

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if ( ! function_exists( 'et_is_product_taxonomy' ) ):

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/**

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* Wraps {@see is_product_taxonomy()} to check for its existence before calling.

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* @since 4.0

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* @return bool

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function et_is_product_taxonomy() {

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return function_exists( 'is_product_taxonomy' ) && is_product_taxonomy();

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}

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endif;

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if ( ! function_exists( 'et_core_add_allowed_protocols' ) ) :

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/**

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* Extend the allowlist of allowed URL protocols

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* @param array $protocols List of URL protocols allowed by WordPress.

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* @since 3.27.2

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* @return array Our extended list of URL protocols.

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function et_core_add_allowed_protocols( $protocols = array() ) {

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$additional = array(

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'skype', // Add Skype messaging protocol

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'sms', // Add SMS text messaging protocol

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);

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$protocols = array_unique( array_merge( $protocols, $additional ) );

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return $protocols;

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}

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add_filter( 'kses_allowed_protocols', 'et_core_add_allowed_protocols' );

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endif;

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if ( ! function_exists( 'et_is_responsive_images_enabled' ) ):

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/**

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* Get the responsive images setting whether is enabled or not

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* @since 3.27.1

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* @return bool

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function et_is_responsive_images_enabled() {

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global $shortname;

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static $enable_responsive_images;

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// Fetch the option once

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if ( null === $enable_responsive_images ) {

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$enable_responsive_images = et_get_option( "{$shortname}_enable_responsive_images", 'on' );

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}

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return 'on' === $enable_responsive_images;

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}

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endif;

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if ( ! function_exists( 'et_screen_sizes' ) ) :

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/**

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* Get screen sizes list.

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* @since 3.27.1

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* @return array

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function et_screen_sizes() {

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return array(

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'desktop' => 1280,

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'tablet' => 980,

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'phone' => 480,

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);

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}

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endif;

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if ( ! function_exists( 'et_image_get_responsive_size' ) ) :

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/**

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* Get images responsive sizes.

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* @since 3.27.1

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* @param int $orig_width Original image's width.

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* @param int $orig_height Original image's height.

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* @param string $breakpoint Screen breakpont. See et_screen_sizes().

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* @return array|boolean Image responsive width & height. False on failure.

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function et_image_get_responsive_size( $orig_width, $orig_height, $breakpoint ) {

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$et_screen_sizes = et_screen_sizes();

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if ( ! isset( $et_screen_sizes[ $breakpoint ] ) ) {

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return false;

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}

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$new_width = $et_screen_sizes[ $breakpoint ];

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if ( $new_width >= $orig_width ) {

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return false;

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}

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$ratio = ( $orig_width * 1.0 ) / $orig_height;

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$new_height = round( ( $new_width / $ratio ) );

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return array(

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'width' => $new_width,

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'height' => $new_height,

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);

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}

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endif;

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if ( ! function_exists( 'et_image_add_srcset_and_sizes' ) ) :

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/**

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* Add ‘srcset’ and ‘sizes’ attributes to an existing ‘img’ element.

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* @param string $image Image HTML markup.

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* @param boolean $echo Is print the output?

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* @return string

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function et_image_add_srcset_and_sizes( $image, $echo = false ) {

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static $srcset_and_sizes_cached = array();

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// Check if option is enabled.

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if ( ! et_is_responsive_images_enabled() ) {

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if ( $echo ) {

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echo et_core_intentionally_unescaped( $image, 'html' );

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}

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return $image;

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}

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$src = et_get_src_from_img_tag( $image );

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$cache_key = $src ? $src : 'empty-src';

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if ( isset( $srcset_and_sizes_cached[ $cache_key ] ) ) {

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$image = $srcset_and_sizes_cached[ $cache_key ];

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} else {

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// Only process if src attribute is not empty.

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if ( $src ) {

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$attachment_id = et_get_attachment_id_by_url( $src );

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$image_meta = false;

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if ( $attachment_id ) {

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$image_meta = wp_get_attachment_metadata( $attachment_id );

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}

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if ( $image_meta ) {

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$image = wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id );

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}

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}

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$srcset_and_sizes_cached[ $cache_key ] = $image;

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}

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if ( $echo ) {

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echo et_core_intentionally_unescaped( $image, 'html' );

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}

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return $image;

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}

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endif;

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if ( ! function_exists( 'et_get_attachment_id_by_url_sql' ) ) :

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/**

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* Generate SQL query syntax to compute attachment ID by URL.

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* @since 4.4.2

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* @param string $url The URL being looked up.

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* @return string SQL query syntax.

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function et_get_attachment_id_by_url_sql( $normalized_url ) {

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global $wpdb;

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// Strip the HTTP/S protocol.

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$cleaned_url = preg_replace( '/^https?:/i', '', $normalized_url );

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// Remove any thumbnail size suffix from the filename and use that as a fallback.

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$fallback_url = preg_replace( '/-(\d+)x(\d+)\.(jpg|jpeg|gif|png)$/', '.$3', $cleaned_url );

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if ( $cleaned_url === $fallback_url ) {

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$attachments_query = $wpdb->prepare(

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"SELECT id

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FROM $wpdb->posts

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WHERE `post_type` = %s

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AND `guid` IN ( %s, %s )",

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'attachment',

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esc_url_raw( "https:{$cleaned_url}" ),

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esc_url_raw( "http:{$cleaned_url}" )

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);

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} else {

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// Scenario: Trying to find the attachment for a file called x-150x150.jpg.

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// 1. Since WordPress adds the -150x150 suffix for thumbnail sizes we cannot be

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// sure if this is an attachment or an attachment's generated thumbnail.

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// 2. Since both x.jpg and x-150x150.jpg can be uploaded as separate attachments

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// we must decide which is a better match.

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// 3. The above is why we order by guid length and use the first result.

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$attachments_query = $wpdb->prepare(

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"SELECT id

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FROM $wpdb->posts

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WHERE `post_type` = %s

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AND `guid` IN ( %s, %s, %s, %s )

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ORDER BY CHAR_LENGTH( `guid` ) DESC",

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'attachment',

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esc_url_raw( "https:{$cleaned_url}" ),

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esc_url_raw( "https:{$fallback_url}" ),

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esc_url_raw( "http:{$cleaned_url}" ),

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esc_url_raw( "http:{$fallback_url}" )

[1221] Fix | Delete

);

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}

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return $attachments_query;

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}

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endif;

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if ( ! function_exists( 'et_get_attachment_id_by_url' ) ) :

[1229] Fix | Delete

/**

[1230] Fix | Delete

* Tries to get attachment ID by URL.

[1231] Fix | Delete

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* @since 3.27.1

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* @param string $url The URL being looked up.

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* @return int The attachment ID found, or 0 on failure.

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function et_get_attachment_id_by_url( $url ) {

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global $wpdb;

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/**

[1242] Fix | Delete

* Filters the attachment ID.

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[1244] Fix | Delete

* @since 4.2.1

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* @param bool $attachment_id_pre Default value. Default is false.

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* @param string $url URL of the image need to query.

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* @return bool|int

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$attachment_id_pre = apply_filters( 'et_get_attachment_id_by_url_pre', false, $url );

[1252] Fix | Delete

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if ( false !== $attachment_id_pre ) {

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return $attachment_id_pre;

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}

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/**

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* Filters the attachment GUID.

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* This filter intended to get the actual attachment guid URL in case the URL has been filtered before.

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* For example the URL has been modified to use CDN URL.

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* @since 4.2.1

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* @param string $url URL of the image need to query.

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* @return string

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$url = apply_filters( 'et_get_attachment_id_by_url_guid', $url );

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// Normalize image URL.

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$normalized_url = et_attachment_normalize_url( $url );

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// Bail early if the url is invalid.

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if ( ! $normalized_url ) {

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return 0;

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}

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// Load cached data for attachment_id_by_url.

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$cache = ET_Core_Cache_File::get( 'attachment_id_by_url' );

[1281] Fix | Delete

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if ( isset( $cache[ $normalized_url ] ) ) {

[1283] Fix | Delete

if ( et_core_is_uploads_dir_url( $normalized_url ) ) {

[1284] Fix | Delete

return $cache[ $normalized_url ];

[1285] Fix | Delete

}

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unset( $cache[ $normalized_url ] );

[1288] Fix | Delete

ET_Core_Cache_File::set( 'attachment_id_by_url', $cache );

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}

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$attachments_sql_query = et_get_attachment_id_by_url_sql( $normalized_url );

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$attachment_id = (int) $wpdb->get_var( $attachments_sql_query );

[1293] Fix | Delete

[1294] Fix | Delete

// There is this new feature in WordPress 5.3 that allows users to upload big image file

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// (threshold being either width or height of 2560px) and the core will scale it down.

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// This causing the GUID URL info stored is no more relevant since the WordPress core system

[1297] Fix | Delete

// will append "-scaled." string into the image URL when serving it in the frontend.

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// Hence we run another query as fallback in case the attachment ID is not found and

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// there is "-scaled." string appear in the image URL

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// @see https://make.wordpress.org/core/2019/10/09/introducing-handling-of-big-images-in-wordpress-5-3/

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// @see https://wordpress.org/support/topic/media-images-renamed-to-xyz-scaled-jpg/

[1302] Fix | Delete

if ( ! $attachment_id && false !== strpos( $normalized_url, '-scaled.' ) ) {

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$normalized_url_not_scaled = str_replace( '-scaled.', '.', $normalized_url );

[1304] Fix | Delete

$attachments_sql_query = et_get_attachment_id_by_url_sql( $normalized_url_not_scaled );

[1305] Fix | Delete

$attachment_id = (int) $wpdb->get_var( $attachments_sql_query );

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}

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// There is a case the GUID image URL stored differently with the URL

[1309] Fix | Delete

// served in the frontend for a featured image, so the query will always fail.

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// Hence we add another fallback query to the _wp_attached_file value in

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// the postmeta table to match with the image relative path.

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if ( ! $attachment_id ) {

[1313] Fix | Delete

$uploads = wp_get_upload_dir();

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$uploads_baseurl = trailingslashit( $uploads['baseurl'] );

[1315] Fix | Delete

[1316] Fix | Delete

if ( 0 === strpos( $normalized_url, $uploads_baseurl ) ) {

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$file_path = str_replace( $uploads_baseurl, '', $normalized_url );

[1318] Fix | Delete

$file_path_no_resize = preg_replace( '/-(\d+)x(\d+)\.(jpg|jpeg|gif|png)$/', '.$3', $file_path );

[1319] Fix | Delete

[1320] Fix | Delete

if ( $file_path === $file_path_no_resize ) {

[1321] Fix | Delete

$attachments_sql_query = $wpdb->prepare(

[1322] Fix | Delete

"SELECT post_id

[1323] Fix | Delete

FROM $wpdb->postmeta

[1324] Fix | Delete

WHERE `meta_key` = %s

[1325] Fix | Delete

AND `meta_value` = %s",

[1326] Fix | Delete

'_wp_attached_file',

[1327] Fix | Delete

$file_path

[1328] Fix | Delete

);

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} else {

[1330] Fix | Delete

// Scenario: Trying to find the attachment for a file called x-150x150.jpg.

[1331] Fix | Delete

// 1. Since WordPress adds the -150x150 suffix for thumbnail sizes we cannot be

[1332] Fix | Delete

// sure if this is an attachment or an attachment's generated thumbnail.

[1333] Fix | Delete

// 2. Since both x.jpg and x-150x150.jpg can be uploaded as separate attachments

[1334] Fix | Delete

// we must decide which is a better match.

[1335] Fix | Delete

// 3. The above is why we order by meta_value length and use the first result.

[1336] Fix | Delete

$attachments_sql_query = $wpdb->prepare(

[1337] Fix | Delete

"SELECT post_id

[1338] Fix | Delete

FROM $wpdb->postmeta

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WHERE `meta_key` = %s

[1340] Fix | Delete

AND `meta_value` IN ( %s, %s )

[1341] Fix | Delete

ORDER BY CHAR_LENGTH( `meta_value` ) DESC",

[1342] Fix | Delete

'_wp_attached_file',

[1343] Fix | Delete

$file_path,

[1344] Fix | Delete

$file_path_no_resize

[1345] Fix | Delete

);

[1346] Fix | Delete

}

[1347] Fix | Delete

[1348] Fix | Delete

$attachment_id = (int) $wpdb->get_var( $attachments_sql_query );

[1349] Fix | Delete

}

[1350] Fix | Delete

}

[1351] Fix | Delete

[1352] Fix | Delete

// Cache data only if attachment ID is found.

[1353] Fix | Delete

if ( $attachment_id && et_core_is_uploads_dir_url( $normalized_url ) ) {

[1354] Fix | Delete

$cache[ $normalized_url ] = $attachment_id;

[1355] Fix | Delete

ET_Core_Cache_File::set( 'attachment_id_by_url', $cache );

[1356] Fix | Delete

}

[1357] Fix | Delete

[1358] Fix | Delete

return $attachment_id;

[1359] Fix | Delete

}

[1360] Fix | Delete

endif;

[1361] Fix | Delete

[1362] Fix | Delete

if ( ! function_exists( 'et_get_attachment_size_by_url' ) ) :

[1363] Fix | Delete

/**

[1364] Fix | Delete

* Tries to get attachment size by URL.

[1365] Fix | Delete

[1366] Fix | Delete

* @since 3.27.1

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[1368] Fix | Delete

* @param string $url The URL being looked up.

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* @param string $default_size Default size name on failure.

[1370] Fix | Delete

[1371] Fix | Delete

* @return array|string Detected image size width and height or 'full' on failure.

[1372] Fix | Delete

[1373] Fix | Delete

function et_get_attachment_size_by_url( $url, $default_size = 'full' ) {

[1374] Fix | Delete

// Normalize image URL.

[1375] Fix | Delete

$normalized_url = et_attachment_normalize_url( $url );

[1376] Fix | Delete

[1377] Fix | Delete

// Bail early if URL is invalid.

[1378] Fix | Delete

if ( ! $normalized_url ) {

[1379] Fix | Delete

return $default_size;

[1380] Fix | Delete

}

[1381] Fix | Delete

[1382] Fix | Delete

$cache = ET_Core_Cache_File::get( 'attachment_size_by_url' );

[1383] Fix | Delete

[1384] Fix | Delete

if ( isset( $cache[ $normalized_url ] ) ) {

[1385] Fix | Delete

if ( et_core_is_uploads_dir_url( $normalized_url ) ) {

[1386] Fix | Delete

return $cache[ $normalized_url ];

[1387] Fix | Delete

}

[1388] Fix | Delete

[1389] Fix | Delete

unset( $cache[ $normalized_url ] );

[1390] Fix | Delete

ET_Core_Cache_File::set( 'attachment_size_by_url', $cache );

[1391] Fix | Delete

}

[1392] Fix | Delete

[1393] Fix | Delete

$attachment_id = et_get_attachment_id_by_url( $url );

[1394] Fix | Delete

[1395] Fix | Delete

if ( ! $attachment_id ) {

[1396] Fix | Delete

return $default_size;

[1397] Fix | Delete

}

[1398] Fix | Delete

[1399] Fix | Delete

$metadata = wp_get_attachment_metadata( $attachment_id );

[1400] Fix | Delete

[1401] Fix | Delete

if ( ! $metadata ) {

[1402] Fix | Delete

return $default_size;

[1403] Fix | Delete

}

[1404] Fix | Delete

[1405] Fix | Delete

$size = $default_size;

[1406] Fix | Delete

[1407] Fix | Delete

if ( strpos( $url, $metadata['file'] ) === ( strlen( $url ) - strlen( $metadata['file'] ) ) ) {

[1408] Fix | Delete

$size = array( $metadata['width'], $metadata['height'] );

[1409] Fix | Delete

} else if ( preg_match( '/-(\d+)x(\d+)\.(jpg|jpeg|gif|png)$/', $url, $match ) ) {

[1410] Fix | Delete

// Get the image width and height.

[1411] Fix | Delete

// Example: https://regex101.com/r/7JwGz7/1.

[1412] Fix | Delete

$size = array( $match[1], $match[2] );

[1413] Fix | Delete

}

[1414] Fix | Delete

[1415] Fix | Delete

// Cache data only if size is found.

[1416] Fix | Delete

if ( $size !== $default_size && et_core_is_uploads_dir_url( $normalized_url ) ) {

[1417] Fix | Delete

$cache[ $normalized_url ] = $size;

[1418] Fix | Delete

ET_Core_Cache_File::set( 'attachment_size_by_url', $cache );

[1419] Fix | Delete

}

[1420] Fix | Delete

[1421] Fix | Delete

return $size;

[1422] Fix | Delete

}

[1423] Fix | Delete

endif;

[1424] Fix | Delete

[1425] Fix | Delete

if ( ! function_exists( 'et_get_image_srcset_sizes' ) ) :

[1426] Fix | Delete

/**

[1427] Fix | Delete

* Get image srcset & sizes attributes.

[1428] Fix | Delete

[1429] Fix | Delete

* @since 3.29.3

[1430] Fix | Delete

[1431] Fix | Delete

* @param string $url Image source attribute value.

[1432] Fix | Delete

[1433] Fix | Delete

* @return (array|bool) Associative array of srcset & sizes attributes. False on failure.

[1434] Fix | Delete

[1435] Fix | Delete

function et_get_image_srcset_sizes( $url ) {

[1436] Fix | Delete

// Normalize image URL.

[1437] Fix | Delete

$normalized_url = et_attachment_normalize_url( $url );

[1438] Fix | Delete

[1439] Fix | Delete

// Bail early if URL is invalid.

[1440] Fix | Delete

if ( ! $normalized_url ) {

[1441] Fix | Delete

return array();

[1442] Fix | Delete

}

[1443] Fix | Delete

[1444] Fix | Delete

$cache = ET_Core_Cache_File::get( 'image_srcset_sizes' );

[1445] Fix | Delete

[1446] Fix | Delete

if ( isset( $cache[ $normalized_url ] ) ) {

[1447] Fix | Delete

if ( et_core_is_uploads_dir_url( $normalized_url ) ) {

[1448] Fix | Delete

return $cache[ $normalized_url ];

[1449] Fix | Delete

}

[1450] Fix | Delete

[1451] Fix | Delete

unset( $cache[ $normalized_url ] );

[1452] Fix | Delete

ET_Core_Cache_File::set( 'image_srcset_sizes', $cache );

[1453] Fix | Delete

}

[1454] Fix | Delete

[1455] Fix | Delete

$attachment_id = et_get_attachment_id_by_url( $url );

[1456] Fix | Delete

if ( ! $attachment_id ) {

[1457] Fix | Delete

return array();

[1458] Fix | Delete

}

[1459] Fix | Delete

[1460] Fix | Delete

$image_size = et_get_attachment_size_by_url( $url );

[1461] Fix | Delete

if ( ! $image_size ) {

[1462] Fix | Delete

return array();

[1463] Fix | Delete

}

[1464] Fix | Delete

[1465] Fix | Delete

$srcset = wp_get_attachment_image_srcset( $attachment_id, $image_size );

[1466] Fix | Delete

$sizes = wp_get_attachment_image_sizes( $attachment_id, $image_size );

[1467] Fix | Delete

[1468] Fix | Delete

if ( ! $srcset || ! $sizes ) {

[1469] Fix | Delete

return array();

[1470] Fix | Delete

}

[1471] Fix | Delete

[1472] Fix | Delete

$data = array(

[1473] Fix | Delete

'srcset' => $srcset,

[1474] Fix | Delete

'sizes' => $sizes,

[1475] Fix | Delete

);

[1476] Fix | Delete

[1477] Fix | Delete

if ( et_core_is_uploads_dir_url( $normalized_url ) ) {

[1478] Fix | Delete

$cache[ $normalized_url ] = $data;

[1479] Fix | Delete

ET_Core_Cache_File::set( 'image_srcset_sizes', $cache );

[1480] Fix | Delete

}

[1481] Fix | Delete

[1482] Fix | Delete

return $data;

[1483] Fix | Delete

}

[1484] Fix | Delete

endif;

[1485] Fix | Delete

[1486] Fix | Delete

if ( ! function_exists( 'et_attachment_normalize_url' ) ) :

[1487] Fix | Delete

/**

[1488] Fix | Delete

* Tries to normalize attachment URL

[1489] Fix | Delete

[1490] Fix | Delete

* @since 3.27.1

[1491] Fix | Delete

[1492] Fix | Delete

* @param string $url The URL being looked up.

[1493] Fix | Delete

[1494] Fix | Delete

* @return string|bool Normalized image URL or false on failure.

[1495] Fix | Delete

[1496] Fix | Delete

function et_attachment_normalize_url( $url ) {

[1497] Fix | Delete

// Remove URL query and string after

[1498] Fix | Delete

list( $url ) = explode( '?', $url );

[1499] Fix | Delete

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