Helper function to test if each of an array of file names could conflict with existing files.

$filenames string[] Required

Array of file names to check.

$dir string Required

The directory containing the files.

$files array Required

An array of existing files in the directory. May be empty.

bool True if the tested file name could match an existing file, false otherwise.

File: wp-includes/functions.php. View all references

function _wp_check_alternate_file_names( $filenames, $dir, $files ) {
	foreach ( $filenames as $filename ) {
		if ( file_exists( $dir . $filename ) ) {
			return true;
		}

		if ( ! empty( $files ) && _wp_check_existing_file_names( $filename, $files ) ) {
			return true;
		}
	}

	return false;
}