dechex Decimal to hexadecimal &reftitle.description; stringdechex intnum Returns a string containing a hexadecimal representation of the given unsigned num argument. The largest number that can be converted is PHP_INT_MAX * 2 + 1 (or -1): on 32-bit platforms, this will be 4294967295 in decimal, which results in dechex returning ffffffff. &reftitle.parameters; num The decimal value to convert. As PHP's int type is signed, but dechex deals with unsigned integers, negative integers will be treated as though they were unsigned. &reftitle.returnvalues; Hexadecimal string representation of num. &reftitle.examples; ]]> &example.outputs; ]]> &example.outputs; &reftitle.seealso; hexdec decbin decoct base_convert