public function testLeftTrim() { $upperCase = _String::ltrim(); $data = ' AGA sg4 '; $this->assertInstanceOf(StringLeftTrim::class, $upperCase); $this->assertInstanceOf(AbstractStringNode::class, $upperCase); $this->assertEquals('AGA sg4 ', $upperCase($data)); }
/** * @return AbstractStringNode */ public function ltrim() { return $this->then(_String::ltrim()); }