PHP string and byte byte array conversion class example _php tutorial

The article gives you a PHP string and byte array conversion Class example, I hope the article will help you.

The code is as follows

Copy Code

/** * byte array and string conversion class */ Class Bytes { /** * Convert a string string to a byte array * @param $str strings that need to be converted * @param $bytes Target byte array * @author Zikie */ public static function GetBytes ($string) { $bytes = Array (); for ($i = 0; $i < strlen ($string); $i + +) { $bytes [] = Ord ($string [$i]); } return $bytes; } /** * Converts a byte array to a string type of data * @param $bytes byte array * @param $str Target string * @return A String type of data */ public static function Tostr ($bytes) { $str = "; foreach ($bytes as $ch) { $str. = Chr ($ch); } return $str; } /** * Convert an int to a byte array * @param $byt Target byte array * @param $val strings that need to be converted * */ public static function Integertobytes ($val) { $byt = Array (); $byt [0] = ($val & 0xff); $BYT [1] = ($val >> 8 & 0xff); $BYT [2] = ($val >> & 0xff); $BYT [3] = ($val >> & 0xff); return $byt; } /** * Reads an integer type of data from the location specified in the byte array * @param $bytes byte array * @param $position The starting position specified * @return An integer type of data */ public static function Bytestointeger ($bytes, $position) { $val = 0; $val = $bytes [$position + 3] & 0xFF; $val <<= 8; $val |= $bytes [$position + 2] & 0xFF; $val <<= 8; $val |= $bytes [$position + 1] & 0xFF; $val <<= 8; $val |= $bytes [$position] & 0xFF; return $val; } /** * Convert a Shor string to a byte array * @param $byt Target byte array * @param $val strings that need to be converted * */ public static function Shorttobytes ($val) { $byt = Array (); $byt [0] = ($val & 0xff); $BYT [1] = ($val >> 8 & 0xff); return $byt; } /** * Reads a short type of data from the location specified in the byte array. * @param $bytes byte array * @param $position The starting position specified * @return A short type of data */ public static function Bytestoshort ($bytes, $position) { $val = 0; $val = $bytes [$position + 1] & 0xFF; $val = $val << 8; $val |= $bytes [$position] & 0xFF; return $val; } } ?>

http://www.bkjia.com/PHPjc/633109.html www.bkjia.com true http://www.bkjia.com/PHPjc/633109.html techarticle The article gives you a PHP string and byte array conversion Class example, I hope the article will help you. Code to copy code like this? PHP/** * byte array with string goto ...

