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<?php $b = 0; while($b< 3) { $b = array(); $b['loop'] = $b; print_r($b['loop']); $b++; } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( ) Fatal error: Uncaught TypeError: Cannot increment array in /in/Ka2B2:8 Stack trace: #0 {main} thrown in /in/Ka2B2 on line 8
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, 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 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 ( )
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
Array ( [loop] => Array *RECURSION* )

preferences:
225.19 ms | 402 KiB | 343 Q