Online PHP editor | rfc for X71am

@ 2014-09-12T03:21:20Z

<?php

# basic test
string_lt('a', 'z');
string_lt('z', 'a'); 

# numeric strings
string_lt('22', '123');
string_lt('123', '22');

# non-numeric strings
string_lt('bb', 'abc'); 
string_lt('abc', 'bb'); 

# non-numeric strings with numbers in
# should be the same as "numeric strings" if strcmp() really does string comparison
string_lt('22x', '123x');
string_lt('123x', '22x');

function string_lt($str1, $str2)
{
	# < operator
	if ($str1 < $str2) { say("$str1 < $str2"); }
}

function string_lt_old($str1, $str2)
{
	# you can't use < operator for comparing strings
	# wacky stuff will happen
	$lt_says = ((string) $str1 < (string) $str2); 

	# see what strcmp() says
	$strcmp_says = strcmp($str1, $str2);

	echo "$str1 less than $str2; lt_says: $lt_says, strcmp_says: $strcmp_says\n";
}


function say(...$msgs)
{
	foreach ($msgs as $msg)
	{
		echo $msg;
	}
	echo "\n";
}

Output for git.master, git.master_jit, rfc.property-hooks: a < z 22 < 123 abc < bb 123x < 22x

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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