3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array("Painted concrete Walls.1","Aluminum and glass windows.0","Aluminum and glass main entrance door.1"," Concrete steps with steel rainings.0","1 Steel emergency staircase.0","Painted concrete Walls.0","Aluminum and glass windows.1","Aluminum and glass main entrance door.1","Concrete steps with steel rainings.0","1 Steel emergency staircase.0"); $tempArray = array(); $newArray = array(); foreach($array as $value) { list($item, ) = explode(".", $value); $int = filter_var($item, FILTER_SANITIZE_NUMBER_INT); if(!in_array($int, $tempArray)) { $newArray[] = $value; $tempArray[] = $int; } } print_r($newArray); ?>
based on Xerk0
Output for 5.2.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Painted concrete Walls.1 [1] => 1 Steel emergency staircase.0 )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/MZNPL on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/MZNPL on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/MZNPL on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/MZNPL on line 8