esercizi in php

php4.php

@@ -0,0 +1,62 @@
+<?php
+
+$a = array('a','b','c');
+print_r($a);
+
+
+$b =  array ('alfa'=> 0, 'beta'=> 1,'gamma' =>3);
+print_r($b);
+
+foreach ($a as $key => $value) {
+	echo $key . $value;
+}
+
+foreach ($b as $key => $value) {
+	echo $key . $value;
+}
+
+
+reset($a);
+list($key,$value) = each($a);
+echo $key , $value;
+list($key,$value) = each($a);
+echo $key , $value;
+
+echo"<br>";
+
+
+reset($b);
+list($key,$value) = each($b);
+echo $key , $value;
+list($key,$value) = each($b);
+echo $key , $value;
+
+
+$c = explode(" ","mario marra bello");
+print_r($c);
+
+
+$d="marco";
+$e="aflio";
+$f="fonzo";
+$k= compact('d','e','f');
+print_r($k);
+
+
+$j= extract($k,EXTR_PREFIX_ALL,"XG");
+echo $XG_d;
+
+
+$x= str_split("mario");
+
+unset($x);
+foreach( count_chars("mario",1) as $key => $desc ){
+	$x[chr($key)] = $desc;
+}
+print_r($x);
+
+
+
+ ?>
+
+