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run code in 150+ php & hhvm versions
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<?php class Test { public $count = 4; public function getNext() { if (!$this->count) { return null; } --$this->count; return 'next'; } } $a = new Test(); for ($i = 0; $i < 10; $i++) { var_dump($a->count); var_dump($a->getNext() ?: 'none'); }
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(4) string(4) "next" int(3) string(4) "next" int(2) string(4) "next" int(1) string(4) "next" int(0) string(4) "none" int(0) string(4) "none" int(0) string(4) "none" int(0) string(4) "none" int(0) string(4) "none" int(0) string(4) "none"
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/9U3Jt on line 22
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/9U3Jt on line 22
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/9U3Jt 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/9U3Jt 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/9U3Jt on line 4
Process exited with code 255.