public function testStartingWithChars() { $this->eq(s::startingWithChars('aaxxaa', 'x'), 'xxaa'); $this->eq(s::startingWithChars('aayxaa', 'xy'), 'yxaa'); }
public function startingWithChars($chars) { return self::_wrap(s::startingWithChars($this->value, self::unwrap($chars))); }