How to convert php characters to hexadecimal

How to convert php characters to hexadecimal: First create a PHP sample file; then use the "function strToHex($string){...}" method to convert the string to hexadecimal.

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php Character to Hexadecimal

The code function is as follows:

function strToHex($string)   
{   
      $hex="";   
      for   ($i=0;$i<strlen($string);$i++)   
      $hex.=dechex(ord($string[$i]));   
      $hex=strtoupper($hex);   
      return   $hex;   
   }

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