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<?php $myVar = false; $myVar[] = 'Hello'; // Converted into an array var_dump($myVar); $myVar = true; $myVar[] = 'Hello'; // Converted into an array var_dump($myVar);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Automatic conversion of false to array is deprecated in /in/7TWWr on line 3 array(1) { [0]=> string(5) "Hello" } Fatal error: Uncaught Error: Cannot use a scalar value as an array in /in/7TWWr:6 Stack trace: #0 {main} thrown in /in/7TWWr on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30
array(1) { [0]=> string(5) "Hello" } Fatal error: Uncaught Error: Cannot use a scalar value as an array in /in/7TWWr:6 Stack trace: #0 {main} thrown in /in/7TWWr on line 6
Process exited with code 255.
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(1) { [0]=> string(5) "Hello" } Warning: Cannot use a scalar value as an array in /in/7TWWr on line 6 bool(true)

preferences:
281.52 ms | 405 KiB | 354 Q