[ 'name' => tra('PHP libxml extension'), 'description' => tra( 'This extension requires the libxml PHP extension. This means that passing in --enable-libxml is also required, although this is implicitly accomplished because libxml is enabled by default.' ), 'type' => 'flag', 'default' => class_exists('DOMDocument') ? 'y' : 'n', ], 'php_datetime' => [ 'name' => tra('PHP DateTime'), 'description' => tra( 'DateTime class (and related functions) are enabled by default since PHP 5.2.0.' ), 'type' => 'flag', 'default' => class_exists('DateTime') ? 'y' : 'n', ], ]; }