wp_cache_verify_config_file() │ WPSCache 1.0

No Hooks.

Return

null. Nothing (null).

Usage

wp_cache_verify_config_file();

wp_cache_verify_config_file() wp cache verify config file code ^{WPSCache 1.12.4}

function wp_cache_verify_config_file() {
	global $wp_cache_config_file, $wp_cache_config_file_sample, $sem_id, $cache_path;
	global $WPSC_HTTP_HOST;

	$new = false;
	$dir = dirname($wp_cache_config_file);

	if ( file_exists($wp_cache_config_file) ) {
		$lines = implode( ' ', file( $wp_cache_config_file ) );
		if ( ! str_contains( $lines, 'WPCACHEHOME' ) ) {
			if( is_writeable_ACLSafe( $wp_cache_config_file ) ) {
				@unlink( $wp_cache_config_file );
			} else {
				echo "<strong>" . __( 'Error', 'wp-super-cache' ) . ":</strong> " . sprintf( __( 'Your WP-Cache config file (<strong>%s</strong>) is out of date and not writable by the Web server. Please delete it and refresh this page.', 'wp-super-cache' ), $wp_cache_config_file );
				return false;
			}
		}
	} elseif( !is_writeable_ACLSafe($dir)) {
		echo "<strong>" . __( 'Error', 'wp-super-cache' ) . ":</strong> " . sprintf( __( 'Configuration file missing and %1$s  directory (<strong>%2$s</strong>) is not writable by the web server. Check its permissions.', 'wp-super-cache' ), WP_CONTENT_DIR, $dir );
		return false;
	}

	if ( !file_exists($wp_cache_config_file) ) {
		if ( !file_exists($wp_cache_config_file_sample) ) {
			echo "<strong>" . __( 'Error', 'wp-super-cache' ) . ":</strong> " . sprintf( __( 'Sample WP-Cache config file (<strong>%s</strong>) does not exist. Verify your installation.', 'wp-super-cache' ), $wp_cache_config_file_sample );
			return false;
		}
		copy($wp_cache_config_file_sample, $wp_cache_config_file);
		$dir = str_replace( str_replace( '\\', '/', WP_CONTENT_DIR ), '', str_replace( '\\', '/', __DIR__ ) );
		if ( is_file( __DIR__ . '/wp-cache-config-sample.php' ) ) {
			wp_cache_replace_line('define\(\ \'WPCACHEHOME', "\tdefine( 'WPCACHEHOME', WP_CONTENT_DIR . \"{$dir}/\" );", $wp_cache_config_file);
		} elseif ( is_file( __DIR__ . '/wp-super-cache/wp-cache-config-sample.php' ) ) {
			wp_cache_replace_line('define\(\ \'WPCACHEHOME', "\tdefine( 'WPCACHEHOME', WP_CONTENT_DIR . \"{$dir}/wp-super-cache/\" );", $wp_cache_config_file);
		}
		$new = true;
	}
	if ( $sem_id == 5419 && $cache_path != '' && $WPSC_HTTP_HOST != '' ) {
		$sem_id = crc32( $WPSC_HTTP_HOST . $cache_path ) & 0x7fffffff;
		wp_cache_replace_line('sem_id', '$sem_id = ' . $sem_id . ';', $wp_cache_config_file);
	}
	if ( $new ) {
		require($wp_cache_config_file);
		wpsc_set_default_gc( true );
	}
	return true;
}