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<?php |
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/** |
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* @filesource functions.php |
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* @created 06.01.2019 |
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* @author smiley <[email protected]> |
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* @copyright 2019 smiley |
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* @license MIT |
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*/ |
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namespace codemasher\WildstarDB; |
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use function is_array, is_float, is_int, pack, unpack; |
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const WSDB_FUNCTIONS = true; |
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// http://php.net/manual/en/function.pack.php#119402 |
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/** |
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* @param int|string $i |
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* @param bool|null $endianness |
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* |
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* @return array|string|false |
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*/ |
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function uint32($i, bool $endianness = null){ |
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if($endianness === true){ // big-endian |
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$f = 'N'; |
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} |
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elseif($endianness === false){ // little-endian |
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$f = 'V'; |
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} |
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else{ // machine byte order |
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$f = 'L'; |
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} |
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$i = is_int($i) ? pack($f, $i) : unpack($f, $i); |
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return is_array($i) ? $i[1] : $i; |
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} |
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/** |
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* @param int|string $i |
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* @param bool|null $endianness |
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* |
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* @return array|string|false |
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*/ |
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function uint64($i, bool $endianness = null){ |
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if($endianness === true){ // big-endian |
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$f = 'J'; |
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} |
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elseif($endianness === false){ // little-endian |
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$f = 'P'; |
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} |
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else{ // machine byte order |
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$f = 'Q'; |
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} |
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$i = is_int($i) ? pack($f, $i) : unpack($f, $i); |
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return is_array($i) ? $i[1] : $i; |
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} |
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/** |
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* @param float|int|string $i |
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* @param bool|null $endianness |
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* |
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* @return array|string|false |
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*/ |
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function float($i, bool $endianness = null){ |
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if($endianness === true){ // big-endian |
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$f = 'G'; |
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} |
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elseif($endianness === false){ // little-endian |
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$f = 'g'; |
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} |
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else{ // machine byte order |
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$f = 'f'; |
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} |
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$i = (is_float($i) || is_int($i)) ? pack($f, $i) : unpack($f, $i); |
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return is_array($i) ? $i[1] : $i; |
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} |
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