public function testStartingWith() { $this->eq(s::startingWith('abcdef', 'cd'), 'cdef'); $this->eq(s::startingWith('abcdef', ''), 'abcdef'); $this->eq(s::startingWith('abcdef', 'xyz'), null); $this->eq(s::startingWith('aaxaaxaa', 'x'), 'xaaxaa'); }
public function startingWith($substr) { return self::_wrap(s::startingWith($this->value, self::unwrap($substr))); }