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run code in 300+ PHP versions simultaneously
<?php class Foo { public $arr = array("test"); function bar( $str ){ var_dump($this->arr[0]); var_dump(is_callable(__CLASS__."::".$this->arr[0])); self::{$this->arr[0]}( $str ); } static function test($var) { echo "Testing: $var\n"; } } (new Foo)->bar("bla");
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(4) "test" bool(true) Testing: bla
preferences:
160 ms | 404 KiB | 226 Q