3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(getcwd()); var_dump(__DIR__); var_dump(__FILE__); var_dump(dirname(__DIR__)); var_dump(dirname(__FILE__)); var_dump(realpath(dirname(__DIR__))); var_dump(realpath(dirname(__FILE__))); var_dump(realpath(__DIR__)); var_dump(realpath(__FILE__)); var_dump(dirname(realpath(__DIR__))); var_dump(dirname(realpath(__FILE__))); ?>
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(1) "/" string(3) "/in" string(9) "/in/Q4bv6" string(1) "/" string(3) "/in" string(1) "/" string(3) "/in" string(3) "/in" string(9) "/in/Q4bv6" string(1) "/" string(3) "/in"
Output for 5.2.3 - 5.2.17
string(1) "/" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 3 string(7) "__DIR__" string(9) "/in/Q4bv6" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 5 string(1) "." string(3) "/in" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 9 string(1) "/" string(3) "/in" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 13 bool(false) string(9) "/in/Q4bv6" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 17 string(0) "" string(3) "/in"
Output for 4.3.0 - 5.2.2
string(3) "/in" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 3 string(7) "__DIR__" string(9) "/in/Q4bv6" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 5 string(1) "." string(3) "/in" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 9 string(3) "/in" string(3) "/in" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 13 bool(false) string(9) "/in/Q4bv6" Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/Q4bv6 on line 17 string(0) "" string(3) "/in"