form submit

<?php

function process_submitted_data() {
    $arr = array();
    $arr['name'] = $_POST['name'];
    $arr['Work Experience'] = $_POST['work_exp'];
    $arr['Work Experience Max'] = $_POST['work_exp_max'];
    $arr['company'] = $_POST['company'];
    $arr['location'] = $_POST['location'];
    var_export($arr); echo ' ... sent array <br/>';
    if (trim($arr["Work Experience Max"])=='') {
        $arr["Work Experience Max"] = $arr["Work Experience"];
    }
    echo '<br/>'; var_export($arr); echo ' ... modified array';
    //file_put_contents('saved_values.php', '$arr='.var_export($arr,true).';'); //save received data to file on server
}

function show_form() {
    echo '<div style="margin:1em 0">';
    echo '<form action="" method="post">';
    echo '<input type"text" name="name" value="" > Name <br/>';
    echo '<input type"text" name="work_exp" value="" > Work Exp. <br/>';
    echo '<input type"text" name="work_exp_max" value="" > Work Exp. Max <br/>';
    echo '<input type"text" name="company" value="" > Company <br/>';
    echo '<input type"text" name="location" value="" > Location <br/>';
    echo '<input type="submit" name="send" value="Send form" >';
    echo '</form>';
    echo '<div>';
}

?>

<html>

<body>

<h5> http://stackoverflow.com/questions/11386521/php-remove-the-value-from-array/11386984 </h5>

<?php
if (isset($_POST['send'])) {
    process_submitted_data();
}
show_form();
?>

</body>
</html>