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run code in 300+ PHP versions simultaneously
<?php class foo { public $pub = 'Pub'; protected $prot = 'Prot'; private $priv = 'Priv'; } $foo = new foo; $var = array($foo); $foo->pub = $var; var_dump($var);
Output for 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(1) { [0]=> object(foo)#1 (3) { ["pub"]=> *RECURSION* ["prot":protected]=> string(4) "Prot" ["priv":"foo":private]=> string(4) "Priv" } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(1) { [0]=> object(foo)#1 (3) { ["pub"]=> array(1) { [0]=> *RECURSION* } ["prot":protected]=> string(4) "Prot" ["priv":"foo":private]=> string(4) "Priv" } }
Output for 5.3.0 - 5.3.2
array(1) { [0]=> object(foo)#1 (3) { ["pub"]=> array(1) { [0]=> object(foo)#1 (3) { ["pub"]=> *RECURSION* ["prot":protected]=> string(4) "Prot" ["priv":"foo":private]=> string(4) "Priv" } } ["prot":protected]=> string(4) "Prot" ["priv":"foo":private]=> string(4) "Priv" } }
Output for 5.2.14 - 5.2.17
array(1) { [0]=> object(foo)#1 (3) { ["pub"]=> *RECURSION* ["prot:protected"]=> string(4) "Prot" ["priv:private"]=> string(4) "Priv" } }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.13
array(1) { [0]=> object(foo)#1 (3) { ["pub"]=> array(1) { [0]=> object(foo)#1 (3) { ["pub"]=> *RECURSION* ["prot:protected"]=> string(4) "Prot" ["priv:private"]=> string(4) "Priv" } } ["prot:protected"]=> string(4) "Prot" ["priv:private"]=> string(4) "Priv" } }
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/AKmY3 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/AKmY3 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/AKmY3 on line 5
Process exited with code 255.

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