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run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo(&$var) { $var++; } function bar() // Note the missing & { $a = 5; return $a; } foo(bar()); // Produces fatal error since PHP 5.0.5
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/5N9sA on line 11
Output for 4.3.0 - 5.0.4, hhvm-3.10.0 - 3.12.0
Output for 5.1.1 - 5.6.25
Strict Standards: Only variables should be passed by reference in /in/5N9sA on line 11
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/5N9sA on line 11
Process exited with code 255.
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/5N9sA on line 11
Process exited with code 255.