3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyParent { protected $var = 0; } class Child extends MyParent { public function __construct() { $this->var = 1; } } class Abuser extends MyParent { public function get(MyParent $child) { return $child->var; } } $child = new Child(); $abuser = new Abuser(); var_dump($abuser->get($child)); var_dump($child); var_dump($abuser);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(1) object(Child)#1 (1) { ["var":protected]=> int(1) } object(Abuser)#2 (1) { ["var":protected]=> int(0) }
Output for 5.2.0 - 5.2.17
int(1) object(Child)#1 (1) { ["var:protected"]=> int(1) } object(Abuser)#2 (1) { ["var:protected"]=> int(0) }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Cannot access protected property Child::$var in /in/fd6IH on line 20
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/fd6IH on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/fd6IH 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/fd6IH on line 5
Process exited with code 255.

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