27 lines
392 B
PHP
27 lines
392 B
PHP
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<?php
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// Functions for common input checks
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// Check 32 bit integer
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function InpChk_IsValidInt32 (&$value): bool {
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if (is_null($value))
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return false;
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if (is_string($value)) {
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if (strlen($value) > 24)
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return false;
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if (!ctype_digit($value))
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return false;
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$value = intval($value);
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}
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if ($value > 0xffffffff || $value < -(0xffffffff))
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return false;
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return true;
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}
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?>
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