3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { echo 1; } function bar() { echo 2; } preg_replace('/.+/e', 'foo("$0")', '{${bar()}}');
Output for 7.0.0 - 7.1.0
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/2IXER on line 4
Output for hhvm-3.10.0 - 3.12.0
2 Notice: Undefined variable: 1
Output for 5.5.0 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/2IXER on line 4 2 Notice: Undefined variable: in /in/2IXER(4) : regexp code on line 1 1
Output for 5.0.4 - 5.4.45
2 Notice: Undefined variable: in /in/2IXER(4) : regexp code on line 1 1
Output for 4.3.0 - 5.0.3
2 Notice: Undefined variable: in /in/2IXER(4) : regexp code on line 1 1