public function testReverseAndRemoveTest() { $this->assertEquals('', reverseAndRemove('')); $this->assertEquals('', reverseAndRemove(false)); $this->assertEquals('', reverseAndRemove(null)); $this->assertEquals('', reverseAndRemove(15)); $this->assertEquals('', reverseAndRemove(['Hello world!'])); $this->assertEquals('', reverseAndRemove('OeA')); $this->assertEquals('!dlrw llH', reverseAndRemove('Hello world!')); $this->assertEquals('gnrts s lbrv f pyt ht rhthw dnF', reverseAndRemove('Find whether the type of a variable is string')); }
<?php require 'reverseAndRemove.php'; echo reverseAndRemove($argv[1]);