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<?php $d = array('C:\Windows/F"o"\'o', '€ 55.-', "new \\n line \x01"); var_dump(json_encode($d)); var_dump(json_encode($d, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(61) "["C:\\Windows\/F\"o\"'o","\u20ac 55.-","new \\n line \u0001"]" string(57) "["C:\\Windows/F\"o\"'o","€ 55.-","new \\n line \u0001"]"
preferences:
259.28 ms | 404 KiB | 330 Q