3v4l.org

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<?php a1=[]; array_push(a1, 1); array_push(a1, 1); array_unique(a1)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Parse error: syntax error, unexpected '=' in /in/eNNpU on line 3
Process exited with code 255.
preferences:
168.89 ms | 1395 KiB | 35 Q