Online PHP editor | output for Xm8Sg

@ 2014-10-29T20:14:25Z

<?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","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);
?>

Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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] => Painted concrete Walls.1 [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/Xm8Sg 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/Xm8Sg 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/Xm8Sg 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/Xm8Sg on line 8

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