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Title : Simple script to passing persistent and growing array between recalls of one page (manipulate little stack).
Categories : Arrays, Global Variables, PHP, HTML and PHP, Variables Update Picture
Antonio Cavallo
Date : Sep 19th 1998
Grade : 3 of 5 (graded 2 times)
Viewed : 6672
File : No file for this code example.
Images : No Images for this code example.
Search : More code by Antonio Cavallo
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Tools : My Examples List

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<html>
<body>

<form method=post >
<select name=choices[] multiple>
<option>uno
<option>due
<option>tre
<option>quattro
<option>cinque
</select>
<input type=submit value=Ok>
<hr>
<?php
        $lastInsert=$HTTP_POST_VARS[choices];
        
        if ($lastInsert) {
                
                $n0=count($stack);
                for ($i=0;$i<$n0;$i++) {
                        echo "<input type=hidden name=\"stack[]\" value=\"$stack
[$i]\" >";
                }        
                
                $n1=count($lastInsert);
                for ($i=0;$i<$n1;$i++) {
                        echo "<input type=hidden name=\"stack[]\" value=
\"$lastInsert[$i]\" >";
                }        
                                
/*Uncomment this to see temporary values: only for debugging purpouses.                
        
        
                for($i=0;$i<$n0;$i++) {
                        echo "<h2>STACK:</h2> $stack[$i]<br>";
                }
                
                for($i=0;$i<$n1;$i++) {
                        $value=$lastInsert[$i];
                        echo "<h2>lastInsert:</h2> $value<br>";
                }
        
*/
        }

?>

<?php
        $stack=$HTTP_POST_VARS[stack];
        $n=count($stack);
        for($i=0;$i<$n;$i++) {
                echo "$i) ".$stack[$i]."<br>";
        }
        $ultimi=$HTTP_POST_VARS[choices];
        $n=count($ultimi);
        for($i=0;$i<$n;$i++) {
                echo "-> ".$ultimi[$i]."<br>";
        }
?>
</form>
</body>
</html>



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