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<?php $a = array(); $a[10]->b[] = 1; $a[10]->sum += 500; var_dump($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Attempt to modify property "b" on null in /in/bk9UR:3 Stack trace: #0 {main} thrown in /in/bk9UR on line 3
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Attempt to modify property "b" on null in /in/bk9UR:3 Stack trace: #0 {main} thrown in /in/bk9UR on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Creating default object from empty value in /in/bk9UR on line 3 Notice: Undefined property: stdClass::$sum in /in/bk9UR on line 4 array(1) { [10]=> object(stdClass)#1 (2) { ["b"]=> array(1) { [0]=> int(1) } ["sum"]=> int(500) } }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 7.3.32 - 7.3.33
array(1) { [10]=> object(stdClass)#1 (2) { ["b"]=> array(1) { [0]=> int(1) } ["sum"]=> int(500) } }
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31
Notice: Undefined property: stdClass::$sum in /in/bk9UR on line 4 array(1) { [10]=> object(stdClass)#1 (2) { ["b"]=> array(1) { [0]=> int(1) } ["sum"]=> int(500) } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Undefined property: sum in /in/bk9UR on line 4 array(1) { [10]=> object(stdClass)(2) { ["b"]=> array(1) { [0]=> int(1) } ["sum"]=> int(500) } }

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