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_wp_check_existing_file_names ›

Seit5.3.1
Veraltetn/v
_wp_check_existing_file_names ( $filename, $files )
Zugriff:
  • private
Parameter:
  • (string) filename The file name to check. $param array $files An array of existing files in the directory. $return bool True if the tested file name could match an existing file, false otherwise.
    Erforderlich: Ja
Definiert in:
Codex:

Helper function to check if a file name could match an existing image sub-size file name.



Quellcode

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;
}