3v4l.org

run code in 300+ PHP versions simultaneously
<?php $abbreviations = array("AL","AK","AZ","AR"); $states = array("Alabama","Alaska","Arizona","Arkansas"); $stateMap = array_combine($abbreviations,$states); print_r($stateMap); $arr =[1,3,5,7,3,5,7];$tmp=[]; foreach($arr as $v ){ if(!in_array($v,$tmp)){ $tmp[]=$v; } }print_r($tmp);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [AL] => Alabama [AK] => Alaska [AZ] => Arizona [AR] => Arkansas ) Array ( [0] => 1 [1] => 3 [2] => 5 [3] => 7 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/kucdE on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/kucdE on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kucdE on line 8
Process exited with code 255.

preferences:
319.98 ms | 401 KiB | 448 Q