- 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, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- <? error_reporting(-1); // show all possible errors $obj = new stdclass(); $arr = array(); echo '$arr = array(); var_dump($arr[\'foo\']);'; var_dump($arr['foo']); echo "\n"; echo '$arr = array(); $obj = new stdclass(); var_dump($arr[$obj]);'; var_dump($arr[$obj]); echo "\n"; $arr = null; echo '$arr = null; var_dump($arr[\'foo\']);'; var_dump($arr['foo']); echo "\n"; echo '$arr = null; $obj = new stdclass(); var_dump($arr[$obj]);'; var_dump($arr[$obj]); echo "\n"; echo '$arr = null; $arr[\'i\'] = $arr[\'i\'] + 1;'; $arr['i'] = $arr['i'] + 1; echo "\n"; echo '$arr = null; $arr[\'i\']++;'; $arr['i']++; ?>
- Output for 8.0.13
- $arr = array(); var_dump($arr['foo']);
Warning: Undefined array key "foo" in /in/FZVE3 on line 8
NULL
$arr = array(); $obj = new stdclass(); var_dump($arr[$obj]);
Fatal error: Uncaught TypeError: Illegal offset type in /in/FZVE3:11
Stack trace:
#0 {main}
thrown in /in/FZVE3 on line 11
Process exited with code 255. - Output for 7.4.33
- $arr = array(); var_dump($arr['foo']); Notice: Undefined index: foo in /in/FZVE3 on line 8 NULL $arr = array(); $obj = new stdclass(); var_dump($arr[$obj]); Warning: Illegal offset type in /in/FZVE3 on line 11 NULL $arr = null; var_dump($arr['foo']); Notice: Trying to access array offset on value of type null in /in/FZVE3 on line 16 NULL $arr = null; $obj = new stdclass(); var_dump($arr[$obj]); Notice: Trying to access array offset on value of type null in /in/FZVE3 on line 19 NULL $arr = null; $arr['i'] = $arr['i'] + 1; Notice: Trying to access array offset on value of type null in /in/FZVE3 on line 23 $arr = null; $arr['i']++;
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0, 7.3.32 - 7.3.33
- $arr = array(); var_dump($arr['foo']); Notice: Undefined index: foo in /in/FZVE3 on line 8 NULL $arr = array(); $obj = new stdclass(); var_dump($arr[$obj]); Warning: Illegal offset type in /in/FZVE3 on line 11 NULL $arr = null; var_dump($arr['foo']);NULL $arr = null; $obj = new stdclass(); var_dump($arr[$obj]);NULL $arr = null; $arr['i'] = $arr['i'] + 1; $arr = null; $arr['i']++;