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 raining.0", "1 Steel emergency staircase.0", "Painted concrete Walls .2", "Aluminum and glass windows.1", "Aluminum and glass main entrance door.1", "Concrete steps with steel rainings.0", "1 Steel emergency staircase.0", "1 A/c condenser unit (wall mounted/rooftop).1", "1 Dust to dawn lighting fixture.1"); $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 tJIYF
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/Zo2dB 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/Zo2dB 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/Zo2dB 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/Zo2dB on line 8