path_is_absolute() – Tests if a given filesystem path is absolute.
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Description
Tests if a given filesystem path is absolute.
For example, '/foo/bar', or 'c:\windows'.
Usage
$bool = path_is_absolute( $path );
Parameters
- $path
- ( string ) required – File path.
Returns
bool True if path is absolute, false is not absolute.
Source
File name: wordpress/wp-includes/functions.php
Lines:
1 to 29 of 29
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] ); }