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<pre> <?php $a='うえお'; $b='あい'; //あいうえお と出力するためにこの下に処理を追加してください。 $b=$b+$a; echo $b; ?> </pre>
Output for git.master, git.master_jit, rfc.property-hooks
<pre> Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/6Kd6c:6 Stack trace: #0 {main} thrown in /in/6Kd6c on line 6
Process exited with code 255.

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