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<?php $age = array(); $age[$id]="35"; $age[$id]="37"; $age[$id]="43"; echo $age[$id];
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $id in /in/1mIFN on line 4 Warning: Undefined variable $id in /in/1mIFN on line 5 Warning: Undefined variable $id in /in/1mIFN on line 6 Warning: Undefined variable $id in /in/1mIFN on line 8 43
Output for 5.0.4 - 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: id in /in/1mIFN on line 4 Notice: Undefined variable: id in /in/1mIFN on line 5 Notice: Undefined variable: id in /in/1mIFN on line 6 Notice: Undefined variable: id in /in/1mIFN on line 8 43
Output for 7.3.32 - 7.3.33
43
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: id in /in/1mIFN on line 4 Notice: Undefined variable: id in /in/1mIFN on line 5 Notice: Undefined variable: id in /in/1mIFN on line 6 Notice: Undefined variable: id in /in/1mIFN on line 8 43

preferences:
215.51 ms | 402 KiB | 452 Q