valoresPar.php

<meta charset="utf-8" />
<?php
/*
valoresPar.php
*/
?>
<form action="" method="POST">
<?php

for ($i = 0; $i<10; $i++) {
    ?><br>
    <input type="text" name="val<?php echo $i;  ?>">
<?php
}
?><br>Numero a descobrir
<input type="text" name="num" placeholder="nume">
<input type="submit" value="me clique">
</form>
<?php
if ($_POST) {
    $vA = $_POST["val0"];
    $vB = $_POST["val1"];
    $vC = $_POST["val2"];
    $vD = $_POST["val3"];
    $vE = $_POST["val4"];
    $vF = $_POST["val5"];
    echo "$vA $vB $vC $vD $vE $vF";
    echo "<br>";
    $var = array();
    for ($i = 0; $i<10; $i++) {

    $var[$i] = $_POST["val".$i];
    }
    $numeroDescobrir = $_POST["num"];
    echo "<br>Onde está  o $numeroDescobrir ????<br>";
    for ($i = 0; $i<10; $i++) {
        if ($var[$i] ==$numeroDescobrir){
            echo "<br> $i";
        }
    /*$resto = 0;
    $resto = $var[$i] % 2;
        if ($resto == 0) {
            echo "<br>O valor  $var[$i] É par!<br>";
        }
    */
    }
    }

$valor = array(0,1,2,3,4,5,6,7,8,9);
echo $val[3];
?>