3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($a,$b){return(int)$a==(int)$b;} $testCases = [ [["0001", "1 "], true], [["1450", "1450 "], true], [["0010001 ", " 10001 "], true], [["0010000", " 10 "], false], [["101023", "101024"], false], ]; foreach ($testCases as $testCase) { list($values, $expected) = $testCase; assert($expected === f(...$values)); }
based on Lgs09
Output for 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 - 7.3.27, 7.4.0 - 7.4.15, 8.0.0 - 8.0.2