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run code in 300+ PHP versions simultaneously
<?php class Point { public readonly string $name; public function __construct( public readonly int $x, public readonly int $y, ) {} public function setName(string $name): static { $this->name ??= $name; return $this; } } $p = new Point(3, 4); $p->setName('Larry'); var_dump($p); $p2 = new class extends Point { public function __construct() { $this->x = 3; $this->y = 4; $this->name = 'Larry'; } }; var_dump($p2);
Output for 8.4.1 - 8.4.13
object(Point)#1 (3) { ["name"]=> string(5) "Larry" ["x"]=> int(3) ["y"]=> int(4) } object(Point@anonymous)#2 (3) { ["name"]=> string(5) "Larry" ["x"]=> int(3) ["y"]=> int(4) }
Output for 8.1.30 - 8.1.33, 8.2.21 - 8.2.29, 8.3.5 - 8.3.26
object(Point)#1 (3) { ["name"]=> string(5) "Larry" ["x"]=> int(3) ["y"]=> int(4) } Fatal error: Uncaught Error: Cannot initialize readonly property Point::$x from scope Point@anonymous in /in/6MA6s:27 Stack trace: #0 /in/6MA6s(25): Point@anonymous->__construct() #1 {main} thrown in /in/6MA6s on line 27
Process exited with code 255.
Output for 8.0.0 - 8.0.12
Parse error: syntax error, unexpected identifier "string", expecting variable in /in/6MA6s on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.25
Parse error: syntax error, unexpected 'string' (T_STRING), expecting variable (T_VARIABLE) in /in/6MA6s on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.32
Parse error: syntax error, unexpected 'readonly' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/6MA6s on line 4
Process exited with code 255.
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