Online PHP editor | output for VqVh0

@ 2023-06-21T08:39:37Z

<?php

function try_string_to_int($value): ?int
{
    if (is_string($value) && $value === (string)(int) $value) {
        return (int) $value;
    }
    return null;
}


var_dump(try_string_to_int('foo'));
var_dump(try_string_to_int('1e10'));
var_dump(try_string_to_int('42'));
var_dump(try_string_to_int('0'));
var_dump(try_string_to_int('-500'));

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: NULL NULL int(42) int(0) int(-500)
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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