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@ 2024-09-10T21:36:47Z

<?php

foreach([null, '', '0', 'abc', '1', '01', '0.1', '1.5'] as $val) {
    
    var_dump($val);
    var_dump(is_numeric($val));
    if ((int) $val) {
        var_dump(1);
    } elseif ($val) {
        var_dump(2);
    } else {
        var_dump(3);
    }
    
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_numeric: documentation ( source)

preferences:dark modelive previewkey bindings

25.58 ms | 405 KiB | 5 Q