3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { private $name; public function __construct($name) { $this->name = $name; } public function __toString() { return "[Foo: $this->name]"; } } $a = new Foo("Lorem"); echo $a, "\n"; $s = $a; $s .= "some string"; echo $s, "\n"; $s = $a; $s .= new Foo("Ipsum"); echo $s, "\n"; $s = "some string"; $s .= $a; echo $s, "\n";
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
[Foo: Lorem] [Foo: Lorem]some string [Foo: Lorem][Foo: Ipsum] some string[Foo: Lorem]
Output for 5.0.0 - 5.1.6
[Foo: Lorem] Object id #1some string Object id #1Object id #2 some stringObject id #1
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/nKAKf on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/nKAKf on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/nKAKf on line 3
Process exited with code 255.