3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $all_blogs = [1,2,3]; $left_blogs = [1]; $all_blogs_total = count($all_blogs); $left_blogs_total = count($left_blogs); if (($diff = $left_blogs_total - $left_blogs_total) >0) { $left_blogs = array_merge($left_blogs, array_slice($all_blogs, 0, $diff)); } print_r($left_blogs);
based on ZWWvB
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 1 )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/kL6It on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/kL6It on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kL6It on line 2
Process exited with code 255.