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<?php $nullvar[0]= null; if (isset($nullvar[0]['a']['r'])) { echo "set"; } else { echo "not set"; } if (is_null($nullvar[0]['a']['r'])) { echo "\nnull"; } else { echo "\nnot null"; }
Output for 8.3.0 - 8.3.6
not set Warning: Trying to access array offset on null in /in/W5VWG on line 12 Warning: Trying to access array offset on null in /in/W5VWG on line 12 null
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
not set Warning: Trying to access array offset on value of type null in /in/W5VWG on line 12 Warning: Trying to access array offset on value of type null in /in/W5VWG on line 12 null
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
not set Notice: Trying to access array offset on value of type null in /in/W5VWG on line 12 Notice: Trying to access array offset on value of type null in /in/W5VWG on line 12 null
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 - 5.5.35, 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, 7.4.26
not set null

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