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20 lines
476 B
PHP
20 lines
476 B
PHP
<?php
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if (!function_exists('is_digit')) {
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/**
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* Deal with normal (and irritating) PHP behavior to determine if
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* a value is a non-float positive integer.
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*/
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function is_digit(mixed $value): bool
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{
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return !is_bool($value) && ctype_digit(strval($value));
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}
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}
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if (!function_exists('is_ip')) {
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function is_ip(?string $address): bool
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{
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return $address !== null && filter_var($address, FILTER_VALIDATE_IP) !== false;
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}
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}
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