3v4l.org

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'; } function checkConst() { // if (isset(static::MYARRAY)) { // echo 'const is set' . "\n\n"; // } else { // echo 'const is not set' . "\n\n"; // } if (isset(static::MYARRAY['foo'])) { echo 'foo is set' . "\n\n"; } else { echo 'foo is not set' . "\n\n"; } } } 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"; $foo->checkConst();
based on C3vi2
Output for 7.0.0 - 7.3.0rc3
Foo Value Bar Value foo is set
Output for hhvm-3.15.4
Fatal error: Uncaught Error: Arrays are not allowed in class constants in /in/lWro7:5 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/lWro7 on line 27
Process exited with code 255.