checking if an element is in array or not using in_array() in php

element_in_array.php :

<?php
// Checking if an Element Is in Array or not

$num=array(1,2,3,4,5,6,7,8,9,10);

$element=$_POST['element'];

if (in_array($element, $num)) {
echo 'element found';
}
else
{
echo 'element not found';
}


?>

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element_in_array_index.php :

<center><b>here checks data is in array or not</b><br><br>
<center><form action="element_in_array.php" method="POST">
<input type="textbox" name="element">
<input type="submit" name="submit">
</form>

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input :

1) give the array values in text box

2)  click in button

ex :

array :$num=array(1,2,3,4,5,6,7,8,9,10);

here 0-9 array indexes
and
1-10 array values
 
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output :

1) element found

2) element not found