note 127164 added to function.is-null

<?php $nullArr = [NULL, "", [], FALSE, 0]; echo "==<br/>"; foreach($nullArr as $sample){ var_dump( $sample == NULL ); echo "<br/>"; } echo "===<br/>"; foreach($nullArr as $sample){ var_dump( $sample === NULL ); echo "<br/>"; } echo "is_null<br/>"; foreach($nullArr as $sample){ var_dump( is_null( $sample )); echo "<br/>"; } ?> gives == bool(true) bool(true) bool(true) bool(true) bool(true) === bool(true) bool(false) bool(false) bool(false) bool(false) is_null bool(true) bool(false) bool(false) bool(false) bool(false) ---- Server IP: 45.112.84.4 Probable Submitter: 80.90.12.131 (proxied: 217.100.185.202) ---- Manual Page -- https://php.net/manual/en/function.is-null.php Edit -- https://main.php.net/note/edit/127164 Del: integrated -- https://main.php.net/note/delete/127164/integrated Del: useless -- https://main.php.net/note/delete/127164/useless Del: bad code -- https://main.php.net/note/delete/127164/bad+code Del: spam -- https://main.php.net/note/delete/127164/spam Del: non-english -- https://main.php.net/note/delete/127164/non-english Del: in docs -- https://main.php.net/note/delete/127164/in+docs Del: other reasons-- https://main.php.net/note/delete/127164 Reject -- https://main.php.net/note/reject/127164 Search -- https://main.php.net/manage/user-notes.php