3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strwidth("①", "UTF-8")); var_dump(mb_strwidth("※", "UTF-8")); var_dump(mb_strwidth("＠, "UTF-8"));
Output for 5.4.0 - 5.4.39, 5.6.7
Parse error: syntax error, unexpected 'UTF' (T_STRING) in /in/ERrZs on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/ERrZs on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/ERrZs on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ERrZs on line 4
Process exited with code 255.
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221.68 ms | 1395 KiB | 130 Q