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run code in 300+ PHP versions simultaneously
<?php $fp = fopen('php://output', 'w'); fputcsv($fp, array('\\foo', 'b"ar', "qu\\u\"x"), ',', '"'); fputcsv($fp, array('\\foo', 'b"ar', "qu\\u\"x"), ',', "'");
Output for git.master, git.master_jit, rfc.property-hooks
"\foo","b""ar","qu\u""x" '\foo',b"ar,'qu\u"x'

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