Online PHP editor | rfc for EndaK

@ 2014-08-13T23:01:03Z

<?php

function pack_encode($val) {
	$str = '';
	while ($val > 0) {
		$str .= chr($val & 0xFF);
		$val = $val >> 8;
	}
	// "/" json-encodes poorly and "=" is padding
	return str_replace(
		array('/', '='),
		array('_', ''),
		base64_encode($str)
	);
}

for ($i=0; $i<32; $i++) {
	echo pack_encode($i*1024*1024*64) . "\n";
}

/*
$arr = array();
$packed = pack('N', 32767);
for ($i=0; $i<strlen($packed); $i++) {
	$arr[$i] = ord($packed[$i]);
}
print_r($arr);

function pack_encode($val) {
	$b64 = base64_encode(pack($format, $val));
	return str_replace(array('/', '='), array('_', ''), $b64); // "/" json-encodes poorly and "=" is padding
}

function pack_decode($bin) {
	$b64 = str_replace('_', '/', $bin); // un-padded
	$data = unpack('C'.(length($bin)/2), base64_decode($b64, false));
	$val = 0;
	foreach ($data as $v) {
		$val = ($val<<$width) | $v;
	}
	return $val;
}

$max = 32767;
$n = 20;
$step = intval($max/$n);

for ($i=0; $i<=$n; $i++) {
	$val = $i*$step;
	$enc = pack_encode($val);
	$dec = pack_decode($val);
	echo "$enc $dec $val\n";
}
*/

Output for git.master, git.master_jit, rfc.property-hooks: AAAABA AAAACA AAAADA AAAAEA AAAAFA AAAAGA AAAAHA AAAAIA AAAAJA AAAAKA AAAALA AAAAMA AAAANA AAAAOA AAAAPA AAAAQA AAAARA AAAASA AAAATA AAAAUA AAAAVA AAAAWA AAAAXA AAAAYA AAAAZA AAAAaA AAAAbA AAAAcA AAAAdA AAAAeA AAAAfA

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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