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run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = function (string $bar = null ) { var_dump($bar); }; $foo(); $foo(null); $foo('foo'); $foo(100); $foo([100]);
based on bUXNo
Output for 7.1.0 - 7.2.0
NULL NULL string(3) "foo" string(3) "100" Fatal error: Uncaught TypeError: Argument 1 passed to {closure}() must be of the type string or null, array given, called in /in/r25qn on line 10 and defined in /in/r25qn:2 Stack trace: #0 /in/r25qn(10): {closure}(Array) #1 {main} thrown in /in/r25qn on line 2
Process exited with code 255.
Output for 7.0.0 - 7.0.20
NULL NULL string(3) "foo" string(3) "100" Fatal error: Uncaught TypeError: Argument 1 passed to {closure}() must be of the type string, array given, called in /in/r25qn on line 10 and defined in /in/r25qn:2 Stack trace: #0 /in/r25qn(10): {closure}(Array) #1 {main} thrown in /in/r25qn on line 2
Process exited with code 255.
Output for 5.4.0 - 5.6.28
NULL NULL Catchable fatal error: Argument 1 passed to {closure}() must be an instance of string, string given, called in /in/r25qn on line 8 and defined in /in/r25qn on line 2
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/r25qn on line 10
Process exited with code 255.