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run code in 300+ PHP versions simultaneously
<?php $fact = "PHP越來越重"; $reason = "因為她長大了"; echo json_encode(compact('fact','reason'));
Output for git.master, git.master_jit, rfc.property-hooks
{"fact":"PHP\u8d8a\u4f86\u8d8a\u91cd","reason":"\u56e0\u70ba\u5979\u9577\u5927\u4e86"}

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