3v4l.org

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<?php $x = array(); $x[] = 10; echo $x[];
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.28
Fatal error: Cannot use [] for reading in /in/WZLCp on line 4
Process exited with code 255.
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192.56 ms | 1395 KiB | 65 Q