esercizi su form, php

php9.php

@@ -0,0 +1,77 @@
+
+<?php
+
+require_once ('functions.php');
+include('header.html');
+
+///////////////////////////
+echo<<<_css
+
+<style>
+
+input:valid {
+	background-color:green;
+}
+
+input:invalid {
+	background-color:red;
+}
+
+input:in-range {
+	font-size:20pt;
+}
+
+input:required {
+	color:red;
+}
+input:optional {
+	color:blue;
+}
+
+input:active {
+	outline: 5px black solid;
+}
+
+input:focus {
+	outline: 5px yellow solid;
+}
+
+
+#a[placeholder="mario"][required]{
+outline: 5px red solid;
+} 
+
+
+</style>
+_css;
+echo "\n";
+///////////////////////////
+
+
+
+print_r($_GET);
+
+foreach ($_GET as $key => $value) {
+	$a= explode(",",$key);
+}
+echo $a[0];echo "<br>";echo $a[1];echo "<br>";
+
+echo<<<_html
+
+
+
+<a href="php9.php"><img src="sky.jpg" ismap alt="image" /></a>
+
+
+
+_html;
+
+
+
+
+include ('footer.html');
+
+
+
+
+  ?>