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<?php $action = $p['action'] ?: 'index_false'; echo $action."\n"; $action = @$p['action'] ?: 'index_false_wn'; echo $action."\n"; $action = $p['action'] ?? 'index_null'; echo $action."\n";
Output for 8.3.0 - 8.3.6
Warning: Undefined variable $p in /in/fmmid on line 3 Warning: Trying to access array offset on null in /in/fmmid on line 3 index_false index_false_wn index_null
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined variable $p in /in/fmmid on line 3 Warning: Trying to access array offset on value of type null in /in/fmmid on line 3 index_false index_false_wn index_null
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: p in /in/fmmid on line 3 Notice: Trying to access array offset on value of type null in /in/fmmid on line 3 index_false index_false_wn index_null
Output for 7.3.32 - 7.3.33
index_false index_false_wn index_null
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: p in /in/fmmid on line 3 index_false index_false_wn index_null
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/fmmid on line 7
Process exited with code 255.

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