Online PHP editor | refs for 5nr09

<?php function pack_encode($format, $val) { $base64 = base64_encode(pack($format, $val)); return str_replace(array('/', '='), array('_', ''), $base64); } function pack_decode($format, $val) { } function pack_encode_uint16($val) { return pack_encode('S', $val); } function pack_encode_uint32($val) { return pack_encode('N', $val); } function pack_decode_uint16($val) { return pack_decode('S', $val); } function pack_decode_uint32($val) { return pack_decode('N', $val); } $max = 32767; $n = 20; $step = intval($max/$n); for ($i=0; $i<=$n; $i++) { $val = $i*$step; $uint16 = pack_encode_uint16($val); $uint32 = pack_encode_uint32($val); $str = base64_encode(strval($val)); // BAD echo json_encode("$uint16 $uint32 $str $val") . "\n"; }