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<?php $null = null; $ret = 0; switch ("foo") { case $null['abc']: $ret = 1; break; case $null['def']: $ret = 2; break; case $null['ghi']: $ret = 3; break; } var_dump($null, $ret, $null['abc'], $null['def'], $null['ghi']);
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Warning: Trying to access array offset on null in /in/C8mMJ on line 7 Warning: Trying to access array offset on null in /in/C8mMJ on line 11 Warning: Trying to access array offset on null in /in/C8mMJ on line 15 Warning: Trying to access array offset on null in /in/C8mMJ on line 20 Warning: Trying to access array offset on null in /in/C8mMJ on line 20 Warning: Trying to access array offset on null in /in/C8mMJ on line 20 NULL int(0) NULL NULL NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30
Warning: Trying to access array offset on value of type null in /in/C8mMJ on line 7 Warning: Trying to access array offset on value of type null in /in/C8mMJ on line 11 Warning: Trying to access array offset on value of type null in /in/C8mMJ on line 15 Warning: Trying to access array offset on value of type null in /in/C8mMJ on line 20 Warning: Trying to access array offset on value of type null in /in/C8mMJ on line 20 Warning: Trying to access array offset on value of type null in /in/C8mMJ on line 20 NULL int(0) NULL NULL NULL
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type null in /in/C8mMJ on line 7 Notice: Trying to access array offset on value of type null in /in/C8mMJ on line 11 Notice: Trying to access array offset on value of type null in /in/C8mMJ on line 15 Notice: Trying to access array offset on value of type null in /in/C8mMJ on line 20 Notice: Trying to access array offset on value of type null in /in/C8mMJ on line 20 Notice: Trying to access array offset on value of type null in /in/C8mMJ on line 20 NULL int(0) NULL NULL 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 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
NULL int(0) NULL NULL NULL
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120.7 ms | 2710 KiB | 4 Q