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@ 2023-02-22T13:30:13Z

<?php

$str = "1234kjhgkdfkgjh";

$result = ctype_digit(substr($str, 0, 2));
var_dump($result);

$str2 = ".1234kjhgkdfkgjh";

$result = ctype_digit(substr($str2, 0, 2));
var_dump($result);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
ctype_digit: documentation ( source)

preferences:dark modelive previewkey bindings

57.23 ms | 2666 KiB | 5 Q