3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function reduce_array(array $source) { $picked_mark=array(); $result=array(); foreach($source as $key=>$subarray) { if(in_array(end($subarray),$picked_mark)) continue; $result[$key]=$subarray; $picked_mark[]=end($subarray); } return $result; } print_r(reduce_array(json_decode("[[0,1,2,3,4],[1,2,3,4],[2,3,4]]")));
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 ) )
Output for 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/Z2iZ5 on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/Z2iZ5 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/Z2iZ5 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/Z2iZ5 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Z2iZ5 on line 2
Process exited with code 255.