3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(substr("abc", "")); var_dump(substr("abc", "0asd"));
Output for 7.0.0 - 7.1.0
Warning: substr() expects parameter 2 to be integer, string given in /in/H1ciA on line 2 NULL Notice: A non well formed numeric value encountered in /in/H1ciA on line 3 string(3) "abc"
Output for hhvm-3.10.0 - 3.12.0
Warning: substr() expects parameter 2 to be integer, string given in /in/H1ciA on line 2 NULL string(3) "abc"
Output for 5.3.0 - 5.6.28
Warning: substr() expects parameter 2 to be long, string given in /in/H1ciA on line 2 NULL Notice: A non well formed numeric value encountered in /in/H1ciA on line 3 string(3) "abc"
Output for 4.3.0 - 5.2.17
string(3) "abc" string(3) "abc"