Method iniGetBool

/*
 * Source: http://php.net/manual/en/function.ini-get.php
 */
public static function iniGetBool($a)
{
    $b = ini_get($a);
    switch (strtolower($b)) {
        case 'on':
        case 'yes':
        case 'true':
            return 'assert.active' !== $a;
        case 'stdout':
        case 'stderr':
            return 'display_errors' === $a;
        default:
            return (bool) (int) $b;
    }
}