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run code in 150+ php & hhvm versions
Bugs & Features
<?php function randomString($length = 6) { $str = ""; $characters = array_merge(range('a','z'), range('0','9')); $max = count($characters) - 1; for ($i = 0; $i < $length; $i++) { $rand = mt_rand(0, $max); $str .= $characters[$rand]; } return $str . time(). randomString(); } echo randomString();
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 20480 bytes) in /in/MKiQj on line 5
Process exited with code 255.
Output for hhvm-3.12.0
Assertion failure: /build/hhvm/src/hhvm-HHVM-3.12.0/hphp/runtime/base/runtime-error.cpp:48: void HPHP::raise_error(const string&): assertion `0' failed.
Process exited with code 134.
Output for hhvm-3.10.0
Fatal error: Stack overflow in /in/MKiQj on line 11
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 2 bytes) in /in/MKiQj on line 5
Process exited with code 255.
Output for 5.4.0 - 5.5.38
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 72 bytes) in /in/MKiQj on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /in/MKiQj on line 5
Process exited with code 255.
Output for 4.3.0 - 5.2.17

Process exited with code 139.