3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = 'Hello world'; $result = ''; foreach(str_split($text) as $char) { $result .= dechex(ord($char)); } var_dump("0x" . $result);
based on Qtr5O
Output for 5.0.0 - 7.1.0
string(24) "0x48656c6c6f20776f726c64"
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/5hbV8 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/5hbV8 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/5hbV8 on line 4