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--TEST--
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JIT BW_AND: 001 (emty string)
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--INI--
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opcache.enable=1
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opcache.enable_cli=1
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opcache.file_update_protection=0
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opcache.jit_buffer_size=1M
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--FILE--
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<?php
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$a = [];
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$b = "";
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$a["" & $b] *= 3;
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?>
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DONE
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--EXPECTF--
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Warning: Undefined array key "" in %sand_001.php on line 4
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DONE
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