Online PHP editor | rfc for gMhSj

@ 2013-07-29T06:45:49Z

<?php
error_reporting(0);

echo 'null  == false? ', (null == false) ? 'yes' : 'no', "\n";
echo 'null  == 0    ? ', (null == 0) ? 'yes' : 'no', "\n";
echo 'null  == "0"  ? ', (null == "0") ? 'yes' : 'no', "\n";
echo 'null  == $foo ? ', (null == $foo) ? 'yes' : 'no', "\n";
echo 'null  == ""   ? ', (null == "") ? 'yes' : 'no', "\n";

echo 'false == 0    ? ', (false == 0) ? 'yes' : 'no', "\n";
echo 'false == "0"  ? ', (false == "0") ? 'yes' : 'no', "\n";
echo 'false == $foo ? ', (false == $undefined) ? 'yes' : 'no', "\n";
echo 'false == ""   ? ', (false == "") ? 'yes' : 'no', "\n";

echo '0     == "0"  ? ', (0 == "0") ? 'yes' : 'no', "\n";
echo '0     == $foo ? ', (0 == $undefined) ? 'yes' : 'no', "\n";
echo '0     == ""   ? ', (0 == "") ? 'yes' : 'no', "\n";

echo '"0"   == $foo ? ', ("0" == $undefined) ? 'yes' : 'no', "\n";
echo '"0"   == ""   ? ', ("0" == "") ? 'yes' : 'no', "\n";

echo '$foo  == ""   ? ', ($undefined == "") ? 'yes' : 'no', "\n";

Output for git.master, git.master_jit, rfc.property-hooks: null == false? yes null == 0 ? yes null == "0" ? no null == $foo ? yes null == "" ? yes false == 0 ? yes false == "0" ? yes false == $foo ? yes false == "" ? yes 0 == "0" ? yes 0 == $foo ? yes 0 == "" ? no "0" == $foo ? no "0" == "" ? no $foo == "" ? yes

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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