Online PHP editor | output for bL3jX

@ 2014-10-29T20:42:01Z

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

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 - 5.6.40, 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 - 8.1.28, 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/bL3jX 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/bL3jX 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/bL3jX 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/bL3jX on line 8

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