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run code in 500+ PHP versions simultaneously
<?php $globalFunction = function($var){ echo "works $var"; }; class TestClass{ private $globalFunction; function __construct(){ $this->globalFunction = $GLOBALS['globalFunction']; } function testFunc(){ ($this->globalFunction)('a'); } } $arr = new TestClass(); $arr->testFunc();
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
works a

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113.9 ms | 1464 KiB | 4 Q