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@ 2014-08-14T00:09:01Z

<?php

function gdr_encode($val) {
	$bin = '';
	while ($val > 0) {
		$bin .= chr($val & 0xFF);
		$val >>= 8;
	}
	return str_replace(array('/', '='), array('_', ''), base64_encode($bin));
}

function gdr_decode($str) {
	$bin = base64_decode(str_replace('_', '/', $str));
	$val = 0;
	for ($i=strlen($bin)-1; $i>=0; $i--) {
		$val |= ord($bin[$i]) << $i*8;
	}
	return $val;
}

if (!function_exists('json_encode')) { die('json_encode missing'); }

$vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296);
foreach ($vals as $val) {
	$enc = json_encode(gdr_encode($val));
	$dec = json_encode(gdr_decode($enc));
	$val = json_encode($val);
	if (strlen($enc) > strlen($val)) {
		echo "$enc $val FAIL: WORSE\n";
	} else if (strlen($enc) == strlen($val)) {
		echo "$enc $val FAIL: EQUAL\n";
	} else {
		echo "$enc $val\n";
	}
}

Output for git.master, git.master_jit, rfc.property-hooks: "" 0 FAIL: WORSE "AQ" 1 FAIL: WORSE "Yw" 99 FAIL: WORSE "ZA" 100 FAIL: WORSE "_w" 255 FAIL: WORSE "AAE" 256 FAIL: WORSE "5wM" 999 FAIL: WORSE "6AM" 1000 FAIL: WORSE "Dyc" 9999 FAIL: WORSE "ECc" 10000 FAIL: EQUAL "__8" 65535 FAIL: EQUAL "AAAB" 65536 FAIL: WORSE "n4YB" 99999 FAIL: WORSE "oIYB" 100000 FAIL: EQUAL "P0IP" 999999 FAIL: EQUAL "QEIP" 1000000 "_____w" 4294967295 "AAAAAAE" 4294967296

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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