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<?php $counts = array(); $item = 2; $counts[$item] ?? $counts[$item] = 2 : $counts[$item]++; var_dump($counts); $counts[$item] ?? $counts[$item] = 1 : $counts[$item]++; var_dump($counts);
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected ':' in /in/8qs1B on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17
Parse error: syntax error, unexpected '?' in /in/8qs1B on line 5
Process exited with code 255.
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165.24 ms | 1395 KiB | 28 Q