WP_CLI

FileCache::has() │ public │ WP-CLI 1.0

Check if a file is in cache and return its filename

Method of the class: FileCache{}

No Hooks.

Return

true|false|String. filename or false

Usage

$FileCache = new FileCache();
$FileCache->has( $key, $ttl );

$key(string) (required)

cache key

$ttl(int)

time to live
Default: null

FileCache::has() FileCache::has code ^{WP-CLI 2.8.0-alpha}

public function has( $key, $ttl = null ) {
	if ( ! $this->enabled ) {
		return false;
	}

	$filename = $this->filename( $key );

	if ( ! file_exists( $filename ) ) {
		return false;
	}

	// Use ttl param or global ttl.
	if ( null === $ttl ) {
		$ttl = $this->ttl;
	} elseif ( $this->ttl > 0 ) {
		$ttl = min( (int) $ttl, $this->ttl );
	} else {
		$ttl = (int) $ttl;
	}

	//
	if ( $ttl > 0 && ( filemtime( $filename ) + $ttl ) < time() ) {
		if ( $this->ttl > 0 && $ttl >= $this->ttl ) {
			unlink( $filename );
		}
		return false;
	}

	return $filename;
}