3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strstr('Important: you are NOT allowed to use a built-in function that converts the string (or just one character) to lowercase (such as ToLower() in .NET, strtolower() in PHP , ...)! You\'re allowed to use all other built-in functions, however.', array_combine(range('A', 'Z'), range('a', 'z')));
Output for 5.3.1 - 5.6.28, 7.0.0 - 7.1.0
Warning: strstr(): needle is not a string or an integer in /in/3fN09 on line 2
Output for 5.0.0 - 5.3.0, hhvm-3.10.0 - 3.13.2
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_combine() in /in/3fN09 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_combine() in /in/3fN09 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_combine() in /in/3fN09 on line 2