3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "â€"; var_dump(htmlentities($string, ENT_QUOTES, "UTF-8")); var_dump(mb_convert_encoding($string, "HTML-ENTITIES", mb_detect_encoding($string)));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(13) "&acirc;&euro;" Deprecated: mb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity instead in /in/5mVAZ on line 7 string(13) "&acirc;&euro;"
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
string(13) "&acirc;&euro;" string(13) "&acirc;&euro;"
Output for 4.3.0 - 4.3.1

Process exited with code 139.
preferences:
210.24 ms | 401 KiB | 313 Q