Returns the decimal equivalent of the hexadecimal number represented by the hex_string argument. hexdec() converts a hexadecimal string to a decimal number.
hexdec() will ignore any non-hexadecimal characters it encounters.
Parameters
hex_string
The hexadecimal string to convert
Return Values
The decimal representation of hex_string
ChangeLog
Version
Description
Since 4.1.0
The function can now convert values that are to big for the platforms integer type, it will return the value as float instead in that case.
Examples
Example #1 hexdec() example
<?php var_dump(hexdec("See")); var_dump(hexdec("ee")); // both print "int(238)"