Php - isset(); ( global )
Replace this text with something else, it might be a gif or plain text, click on button Show !
This script is based on : php-function isset(); It also uses global var definition
and let Visitor ( ...as a link appears ) replace and reset html content .
<?# File : show_hide_global.php
$var_img="jump.gif";
if(!isset($link)){
echo'<table width=100% height=100%>
<tr><td colspan=2><center>Php - isset();</center></td></tr>
<tr><td valign=top align=center width=13% height=100%>
<form method=post>
<input type=hidden name=link value=reset>
<input type=submit value=Show>
<img src=',$var_img,' width=0></form></td>
<td valign=middle align=center>Replace this text ... </td></tr></table>';}
function global_var($link){
global $var_img;
if(isset($link)){echo"<table width=100% height=100%>
<tr><td colspan=2><center>Php - isset();</center></td></tr>
<tr><td valign=top align=center width=13% height=100%>
<a href=javascript:location.href=location>$link</a></td>
<td valign=middle align=center><img src=$var_img></td></tr></table>";}}
global_var($link);
?>
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