assigning multiple values to one variable

[jhodara]

Hi folks,

 

I was wondering how to do this. I want the if statement to detect if the query string has any of these values. so im trying to assign them all to the same variable. However, this code wont work. Whats the trick here?

 

<?php
$primary=$_GET['intro'];
$primary=$_GET['port'];
$primary=$_GET['about'];
$primary=$_GET['contact']; 

         if(isset($primary)){
     echo "<img src='graphics/left-a.png'>";}
else {echo "<img src='graphics/leftb.png'>";}?>

[Pikachu2000]

What actually is your question?

[jhodara]

Just added my question

[Psycho]

I *think* this is what you really want to do

if(isset($_GET['intro']) || isset($_GET['port']) || isset($_GET['about']) || isset($_GET['contact']))
{
    echo "<img src='graphics/left-a.png'>";
}
else
{
    echo "<img src='graphics/leftb.png'>";
}

[Pikachu2000]

For that, you'd need to use an array.

[jhodara]

Ya that worked thanks. Although I thought I could use a variable to simplify the code. whatever

[MMDE]

<?php
$primary=array();
if(isset($_GET['intro'])){
$primary['intro']=$_GET['intro'];
$primarykeys[]='intro';
}
if(isset($_GET['port'])){
$primary['port']=$_GET['port'];
$primarykeys[]='port';
}
if(isset($_GET['about'])){
$primary['about']=$_GET['about'];
$primarykeys[]='about';
}
if(isset($_GET['contact'])){
$primary['contact']=$_GET['contact'];
$primarykeys[]='contact';
}
if(count($primary)>0){
echo '<img src="graphics/left-a.png">';
}else{
echo '<img src="graphics/leftb.png">';
}
?>

 

Would this be what you want?

As here you can actually use the get data later on, and no need to check if they exist anymore.

[jhodara]

Ya that would work. Thanks.