3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ'; var_dump(strlen($s)); var_dump(mb_strlen($s)); var_dump(grapheme_strlen($s));
Output for 8.5.1 - 8.5.3
int(25) int(7) Fatal error: Uncaught Error: Call to undefined function grapheme_strlen() in /in/vimKr:6 Stack trace: #0 {main} thrown in /in/vimKr on line 6
Process exited with code 255.
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0
int(25) int(7) int(1)
preferences:
59.07 ms | 977 KiB | 4 Q