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<?php $name = array(); $name_reference = $name['name']; // => GENERATE NOTICE, $name_reference = NULL var_dump($name_reference); $name = false; $name_reference = $name['name']; // => NO ERROR ($name = false), $name_reference = NULL var_dump($name_reference);
Output for 7.3.32 - 7.3.33
NULL NULL
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31
Notice: Undefined index: name in /in/RUaHX on line 4 NULL NULL
Output for 7.4.0 - 7.4.33
Notice: Undefined index: name in /in/RUaHX on line 4 NULL Notice: Trying to access array offset on value of type bool in /in/RUaHX on line 9 NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34
Warning: Undefined array key "name" in /in/RUaHX on line 4 NULL Warning: Trying to access array offset on value of type bool in /in/RUaHX on line 9 NULL
Output for 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Warning: Undefined array key "name" in /in/RUaHX on line 4 NULL Warning: Trying to access array offset on false in /in/RUaHX on line 9 NULL
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30.92 ms | 1150 KiB | 15 Q