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path_is_absolute › WordPress Function

Od2.5.0
Przestarzałyn/a
path_is_absolute ( $path )
Parametry:
  • (string) $path File path.
    Wymagane: Tak
Powrót:
  • (bool) True if path is absolute, false is not absolute.
Zdefiniowane na:
Codex:

Tests if a given filesystem path is absolute.

For example, '/foo/bar', or 'c:windows'.


Źródło

function path_is_absolute( $path ) {
	/*
	 * Check to see if the path is a stream and check to see if its an actual
	 * path or file as realpath() does not support stream wrappers.
	 */
	if ( wp_is_stream( $path ) && ( is_dir( $path ) || is_file( $path ) ) ) {
		return true;
	}

	/*
	 * This is definitive if true but fails if $path does not exist or contains
	 * a symbolic link.
	 */
	if ( realpath( $path ) === $path ) {
		return true;
	}

	if ( strlen( $path ) === 0 || '.' === $path[0] ) {
		return false;
	}

	// Windows allows absolute paths like this.
	if ( preg_match( '#^[a-zA-Z]:\\\\#', $path ) ) {
		return true;
	}

	// A path starting with / or \ is absolute; anything else is relative.
	return ( '/' === $path[0] || '\\' === $path[0] );
}