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@ 2014-09-12T21:00:27Z

<?php

$arr1 []= 'wello';
$var2 = 'woodbye wruel world';
$var3 = pack("n*", 0x77, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f);
$var4 = pack('n*', 0x7765, 0x6c6c, 0x6f00);
echo "var3 = $var3";
var_dump($var4);
if ($var4 == $arr1[0]) {echo "$var3 == $arr1[0]"; }

var_dump(poor_mans_strcmp('a', 'z')); 
var_dump(poor_mans_strcmp('q111f', 'fffff')); 
var_dump(poor_mans_strcmp($arr1, $var2));
var_dump(poor_mans_strcmp($arr1[0], $var2)); 
var_dump(poor_mans_strcmp($var2, $var2));
var_dump(poor_mans_strcmp($arr1[0], $var3)); 
var_dump(poor_mans_strcmp($arr1[0], $var4)); 

function poor_mans_strcmp($str1, $str2)
{
	# use old shell programming trick
	$str3 = 'a' . $str1;
	$str4 = 'a' . $str2;

	# strip null bytes to make it binary safe! 
	$str3 = str_replace(chr(0), '', $str3); 
	$str4 = str_replace(chr(0), '', $str4);
 	var_dump($str3, $str4); 

	$result = 0;
	if ($str3 < $str4) { $result = -1; }
	if ($str3 > $str4) { $result = 1; }   
	return $result;
}

Output for git.master, git.master_jit, rfc.property-hooks: var3 = wellostring(6) "wello" string(2) "aa" string(2) "az" int(-1) string(6) "aq111f" string(6) "afffff" int(1) Warning: Array to string conversion in /in/ZdNJX on line 22 string(6) "aArray" string(20) "awoodbye wruel world" int(-1) string(6) "awello" string(20) "awoodbye wruel world" int(-1) string(20) "awoodbye wruel world" string(20) "awoodbye wruel world" int(0) string(6) "awello" string(6) "awello" int(0) string(6) "awello" string(6) "awello" int(0)

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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