Online PHP editor | refs for n2q2Z

<?php $a = 1; $b = 2; $x = [1, 2]; file_put_contents('/tmp/a.php', ''); class Foo { public $a = 1; public static $b = 3; function bar() {} static function baz() {} } static $array = [1, 2, 3]; static $arrayDimFetch = [1,2][0]; static $arrayItem = ['a' => 1]; static $binaryBitwiseAnd = 1 & 2; static $binaryConcat = "a" . "b"; static $binaryIdentical = 1 === 1; static $binaryPlus = 1 + 2; static $binarySpaceship = 1 <=> 2; static $bitwiseNot = ~1; static $booleanAnd = 1 && 2; static $booleanNot = !false; static $classConstFetch = Foo::class; static $coalesce = 1 ?? 2; static $constFetch = PHP_EOL; static $new = new stdClass(); static $scalarFloat = 3.14; static $scalarInteger = 123; static $scalarMagicConst = __LINE__; static $scalarString = 'string'; static $ternary = true ? 1 : 2; static $unaryPlus = +1; // Was invalid inside a function but valid outside static $propertyFetch = (new Foo())->a; // works when not in a function static $nullsafePropertyFetch = (new Foo())?->a; // works when not in a function // Fatal errors in PHP 8.2 for each statement below static $arrowFunction = fn() => 1; static $assign = ($a = 1); static $assignOpAnd = ($a &= 1); static $assignOpConcat = ($a .= "b"); static $assignOpDiv = ($b /= 2); static $assignRef = ($a =& $b); static $castInt = (int)"1"; static $clone = clone (new stdClass()); static $closure = function () { return 1; }; static $closureUse = function () use ($x) {}; static $empty = empty(1); static $encapsed = "Value: $a"; static $errorSuppress = @new stdClass(); static $eval = eval('1+1;'); static $funcCall = strlen('x'); static $include = include '/tmp/a.php'; static $instanceof = new stdClass() instanceof Foo; static $isset = isset($x); static $list = [[$a, $b] = [1, 2]]; static $match = match (1) {1 => 'a', default => 'b'}; static $methodCall = (new Foo())->bar(); static $nullsafeMethodCall = (new Foo())?->bar(); static $postInc = $a++; static $print = print ''; static $shellExec = `whoami`; // expected warning due to sandbox environment static $staticCall = Foo::baz(); static $staticPropertyFetch = Foo::$b; static $variable = $a;