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run code in 150+ php & hhvm versions
Bugs & Features
<?php //Source: https://bugs.php.net/bug.php?id=63882 class Test { public $x = 5; } $testobj1 = new Test; $testobj2 = new Test; $testobj1->x = $testobj1; $testobj2->x = $testobj2; $testobj1 == $testobj2;
Output for 5.0.0 - 5.3.29, 5.4.12 - 5.6.28, 7.0.0 - 7.1.0
Fatal error: Nesting level too deep - recursive dependency? in /in/12OuN on line 11
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: infinite recursion detected in /in/12OuN on line 11
Process exited with code 255.
Output for 5.4.0 - 5.4.11

Process exited with code 139.
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/12OuN 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/12OuN 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/12OuN on line 4
Process exited with code 255.