namespace EnableMediaReplace;
// Legacy functions.
/**
* Maybe remove query string from URL.
*
* @param string $url
*
* @return string
*/
function emr_maybe_remove_query_string( $url ) {
$parts = explode( '?', $url );
return reset( $parts );
}
/**
* Remove scheme from URL.
*
* @param string $url
*
* @return string
*/
function emr_remove_scheme( $url ) {
return preg_replace( '/^(?:http|https):/', '', $url );
}
/**
* Remove size from filename (image[-100x100].jpeg).
*
* @param string $url
* @param bool $remove_extension
*
* @return string
*/
function emr_remove_size_from_filename( $url, $remove_extension = false ) {
$url = preg_replace( '/^(\S+)-[0-9]{1,4}x[0-9]{1,4}(\.[a-zA-Z0-9\.]{2,})?/', '$1$2', $url );
if ( $remove_extension ) {
$ext = pathinfo( $url, PATHINFO_EXTENSION );
$url = str_replace( ".$ext", '', $url );
}
return $url;
}
/**
* Strip an image URL down to bare minimum for matching.
*
* @param string $url
*
* @return string
*/
function emr_get_match_url($url) {
$url = emr_remove_scheme($url);
$url = emr_maybe_remove_query_string($url);
$url = emr_remove_size_from_filename($url, true); // and extension is removed.
$url = emr_remove_domain_from_filename($url);
return $url;
}
function emr_remove_domain_from_filename($url) {
// Holding place for possible future function
$url = str_replace(emr_remove_scheme(get_bloginfo('url')), '', $url);
return $url;
}
/**
* Build an array of search or replace URLs for given attachment GUID and its metadata.
*
* @param string $guid
* @param array $metadata
*
* @return array
*/
function emr_get_file_urls( $guid, $metadata ) {
$urls = array();
$guid = emr_remove_scheme( $guid );
$guid= emr_remove_domain_from_filename($guid);
$urls['guid'] = $guid;
if ( empty( $metadata ) ) {
return $urls;
}
$base_url = dirname( $guid );
if ( ! empty( $metadata['file'] ) ) {
$urls['file'] = trailingslashit( $base_url ) . wp_basename( $metadata['file'] );
}
if ( ! empty( $metadata['sizes'] ) ) {
foreach ( $metadata['sizes'] as $key => $value ) {
$urls[ $key ] = trailingslashit( $base_url ) . wp_basename( $value['file'] );
}
}
return $urls;
}
/**
* Ensure new search URLs cover known sizes for old attachment.
* Falls back to full URL if size not covered (srcset or width/height attributes should compensate).
*
* @param array $old
* @param array $new
*
* @return array
*/
function emr_normalize_file_urls( $old, $new ) {
$result = array();
if ( empty( $new['guid'] ) ) {
return $result;
}
$guid = $new['guid'];
foreach ( $old as $key => $value ) {
$result[ $key ] = empty( $new[ $key ] ) ? $guid : $new[ $key ];
}
return $result;
}
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