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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo { const MYARRAY = ['foo' => 'bar']; protected static $props = ['Hello' => 'Foo Value']; function getPropValue($propName) { return static::$props[$propName]; } function myFunc() { return 'hey myFunc'; } function yourFunc() { return 'hey yourFunc'; } } class Bar extends Foo { protected static $props = ['Hello' => 'Bar Value']; } $foo = new Foo(); echo $foo->getPropValue('Hello') . "\n\n"; $functionArray = ['myFunc' => 'myFunc']; echo $foo->$functionArray['myFunc']() . "\n\n"; $bar = new Bar(); echo $bar->getPropValue('Hello') . "\n\n"; if (isset(Foo::MYARRAY['foo'])) { echo 'foo is set' . "\n\n"; } else { echo 'foo is not set' . "\n\n"; }
based on Naq7H
Output for 7.0.0 - 7.3.0rc3
Foo Value Notice: Array to string conversion in /in/0UC54 on line 30 Notice: Undefined property: Foo::$Array in /in/0UC54 on line 30 Fatal error: Uncaught Error: Function name must be a string in /in/0UC54:30 Stack trace: #0 {main} thrown in /in/0UC54 on line 30
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: Arrays are not allowed in class constants in /in/0UC54:5 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in /in/0UC54 on line 35
Process exited with code 255.