WP_CLI\Utils

inside_phar() │ WP-CLI 1.0

Check if a certain path is within a Phar archive.

If no path is provided, the function checks whether the current WP_CLI instance is running from within a Phar archive.

No Hooks.

Returns

true|false. Whether path is within a Phar archive.

Usage

inside_phar( $path );
$path(string|null)
Path to check.
Default: null, which checks WP_CLI_ROOT

inside_phar() code WP-CLI 2.13.0-alpha

wp-cli/php/utils.php 
function inside_phar( $path = null ) {
	if ( null === $path ) {
		if ( ! defined( 'WP_CLI_ROOT' ) ) {
			return false;
		}

		$path = WP_CLI_ROOT;
	}

	return 0 === strpos( $path, PHAR_STREAM_PREFIX );
}