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PHP Fatal error: Call to undefined function: hex2bin() in |
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if (!function_exists('hex2bin')){ function hex2bin($h) { if (!is_string($h)) return null; $r = ''; for ($a = 0; $a < strlen($h); $a += 2) { $r .= chr(hexdec($h{$a}.$h{($a + 1)})); } return $r; } } |