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<?php class A { public function __destruct() { } } gc_disable(); $a1 = new A; $a2 = new A; $a1->ref = $a2; $a2->ref = $a1; $a1 = $a2 = NULL; echo('removed cycles: '.gc_collect_cycles());
Output for 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Deprecated: Creation of dynamic property A::$ref is deprecated in /in/m8p9l on line 12 Deprecated: Creation of dynamic property A::$ref is deprecated in /in/m8p9l on line 13 removed cycles: 2
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 8.1.0 - 8.1.30
removed cycles: 2
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
removed cycles: 0
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Call to undefined function gc_disable() in /in/m8p9l on line 7
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/m8p9l on line 3
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/m8p9l on line 3
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/m8p9l on line 3
Process exited with code 255.
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