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<?php $a = array('1','2','23'); $b = (array) $a; /* function foo(&$b) { $b*=2; return $b; } $x = 3; $y = foo($x); $x = 5; echo $x . ' , ' . $y; //var_dump(false); /*preg_match('@^(?:http://)?([^/]+)@i','http://www.php.net/index.html',$matches); ${"a"} = $matches[1]; &$a = 12; echo &$a; var_export(${"a"});*/ /*echo ${"a"};*/ /*trait Foo { private $name = '123'; } class Bar { //use Foo; private static $name = '321'; public static function getName(){return static::$name;} } */ /*echo sprintf(' "%04d"', 1);*/ /* $num = array('11' , '12', '13'); foreach ($num as $val) { $val++; } print_r($num);*/ /* class Foo extends Bar{private static $name='123';} $bar = new Foo(); $bar::getName();*/ /*echo false; */ //class Faz {}// $i = new Faz(); echo $i->t;/* /* class Baz extends Faz {} interface Foo {public function du(Faz $param);} class A implements Foo { public function du(Baz $param){ echo false; } } $c = new A(); $c->du(new Baz());*/ /* $i = 5; echo $i++; echo $i;*/ /* namespace Bar; function strlen($string){return 5;} namespace Foo; use Bar; echo strlen('Baz');*/ //var_dump(array_values(ksort(array('re'=>'asd', '3'=>'asda')))); //echo true;