php man page for hexdec

HEXDEC(3)								 1								 HEXDEC(3)

hexdec - Hexadecimal to decimal

SYNOPSIS
       number hexdec (string  $hex_string)

DESCRIPTION
	Returns  the decimal equivalent of the hexadecimal number represented by the $hex_string argument. hexdec(3) converts a hexadecimal string
       to a decimal number.

       hexdec(3) will ignore any non-hexadecimal characters it encounters.

PARAMETERS
	      o $hex_string
		- The hexadecimal string to convert

RETURN VALUES
	The decimal representation of $hex_string

EXAMPLES
       Example #1

	      hexdec(3) example

	      <?php
	      var_dump(hexdec("See"));
	      var_dump(hexdec("ee"));
	      // both print "int(238)"

	      var_dump(hexdec("that")); // print "int(10)"
	      var_dump(hexdec("a0")); // print "int(160)"
	      ?>

NOTES
       Note

	       The function can convert numbers that are too large to fit into the platforms integer type, larger values are returned as float	in
	      that case.

SEE ALSO
       dechex(3), bindec(3), octdec(3), base_convert(3).

PHP Documentation Group 														 HEXDEC(3)