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_wp_check_existing_file_names is private and should not be used in themes or plugins directly.
_wp_check_existing_file_names › WordPress Function
Since5.3.1
已弃用n/a
› _wp_check_existing_file_names ( $filename, $files )
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Helper function to check if a file name could match an existing image sub-size file name.
源码
function _wp_check_existing_file_names( $filename, $files ) { $fname = pathinfo( $filename, PATHINFO_FILENAME ); $ext = pathinfo( $filename, PATHINFO_EXTENSION ); // Edge case, file names like `.ext`. if ( empty( $fname ) ) { return false; } if ( $ext ) { $ext = ".$ext"; } $regex = '/^' . preg_quote( $fname ) . '-(?:\d+x\d+|scaled|rotated)' . preg_quote( $ext ) . '$/i'; foreach ( $files as $file ) { if ( preg_match( $regex, $file ) ) { return true; } } return false; }