3v4l.org

run code in 200+ php & hhvm versions
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<?php echo htmlentities("¹²³¼½¬{[]}`~][þ@·");
based on 2CUWb
Output for 5.4.0 - 7.2.0
&sup1;&sup2;&sup3;&frac14;&frac12;&not;{[]}`~][&thorn;@&middot;
Output for 4.3.0 - 5.3.29
&Acirc;&sup1;&Acirc;&sup2;&Acirc;&sup3;&Acirc;&frac14;&Acirc;&frac12;&Acirc;&not;{[]}`~][&Atilde;&frac34;@&Acirc;&middot;