Online PHP editor | output for 0DY6k

@ 2014-10-29T20:45:06Z

<?php
$array = array("Aluminum and glass windows.0", "item.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);
?>

Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 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 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Array ( [0] => Aluminum and glass windows.0 [1] => 1 Steel emergency staircase.0 )
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: Fatal error: Call to undefined function filter_var() in /in/0DY6k 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/0DY6k on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: filter_var() in /in/0DY6k 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/0DY6k on line 8

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