3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public $foo = 'bar'; } function doSomething($prop) { \strtoupper($prop); } function doSomethingRef(&$prop) { \strtoupper($prop); } $a = new A(); $foo =& $a->foo; doSomething($foo); doSomethingRef($foo); var_dump($a);
Output for 5.3.0 - 7.1.0
object(A)#1 (1) { ["foo"]=> &string(3) "bar" }
Output for 5.0.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/jU5S1 on line 12 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/jU5S1 on line 17 object(A)#1 (1) { ["foo"]=> &string(3) "bar" }
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/jU5S1 on line 5
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/jU5S1 on line 5
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/jU5S1 on line 5
Process exited with code 255.