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<?php $x =array( array(), "", 0, false, null ); foreach ($x as $val) { if (!$val) { print "The condition is unexpectedly true, though it's not a boolean and was magically converted\n"; } }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.21, 8.4.1 - 8.4.7
The condition is unexpectedly true, though it's not a boolean and was magically converted The condition is unexpectedly true, though it's not a boolean and was magically converted The condition is unexpectedly true, though it's not a boolean and was magically converted The condition is unexpectedly true, though it's not a boolean and was magically converted The condition is unexpectedly true, though it's not a boolean and was magically converted
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194.34 ms | 409 KiB | 5 Q