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<?php $a = "1234567890a"; var_dump($a["010"], isset($a["010"])); isset("10")// true
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Parse error: syntax error, unexpected end of file in /in/Q7s62 on line 4
Process exited with code 255.
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168.01 ms | 1395 KiB | 35 Q