public function testContains() { $this->eq(s::contains('xabcx', 'abc'), true); $this->eq(s::contains('xabcx', 'def'), false); $this->eq(s::contains('xxxxx', ''), true); $this->eq(s::contains('', ''), true); $this->eq(s::contains('', 'xxx'), false); $this->eq(s::contains('xxxabcxx', 'abc', 2), true); $this->eq(s::contains('xxxabcxx', 'abc', 4), false); }
public function contains($substr, $offset = 0) { return s::contains($this->value, self::unwrap($substr), $offset); }