<?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 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- 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
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- 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 == "" ? yes
"0" == $foo ? no
"0" == "" ? no
$foo == "" ? yes
preferences:
214.46 ms | 405 KiB | 375 Q