linearSearch_startimes

<?php

function linearSearch($arr, $n , $x){
    for ($i = 0 ; $i < $n ;$i++)
    {
        if($arr[$i] == $x)
            return $i;
    }

    return -1;
}

$A = array(17, 3, 45, 8, 29, 12, 56, 4, 23, 9, 31, 5, 48, 27, 1, 15, 36, 19, 7, 50);
$N = count($A);
$X = 31;

// print arr
for ($i = 0 ; $i < $N; $i++)
    echo $A[$i]." ";

echo "<br></br>";

$result = linearSearch($A,$N, $X);

if($result != -1)
    echo "th value $X is found in $result ";
else
    echo "the value $X not found " ;

?>