3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { protected $i = 1; public function __toString() { $this->i++; return "$this->i"; } } $a = new A; var_dump($a); $b = [100, $a]; var_dump( $a, array_intersect($b, $b), $a );
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
object(A)#1 (1) { ["i":protected]=> int(1) } object(A)#1 (1) { ["i":protected]=> int(6) } array(1) { [0]=> int(100) } object(A)#1 (1) { ["i":protected]=> int(6) }
Output for hhvm-3.10.0 - 3.12.0
object(A)#1 (1) { ["i":protected]=> int(1) } object(A)#1 (1) { ["i":protected]=> int(3) } array(1) { [0]=> int(100) } object(A)#1 (1) { ["i":protected]=> int(3) }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/HILJh on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/HILJh on line 14
Process exited with code 255.
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/HILJh on line 4
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/HILJh on line 4
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/HILJh on line 4
Process exited with code 255.