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run code in 300+ PHP versions simultaneously
<?php class Test { public static $instanceCount = 0; public function __construct() { self::$instanceCount++; } public function __destruct() { self::$instanceCount--; } public function testFunction(){ return 'Test'; } } $test1 = new Test(); $test2 = new Test(); $test3 = new Test(); $test4 = new Test(); unset($test2); $test5 = new Test(); echo Test::$instanceCount;
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
4
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