I am setting up an episode guide for one of my favourite shows and with this 
I need to include three screenshots:


In some cases though the files will not exist and therefore I need too check 
if they exist and if they don't then it will display a blank image...

Whats wrong with this code?



$img1 = "episodeID_a.jpg";
$img2 = "episodeID_b.jpg";
$img3 = "episodeID_c.jpg";

for ($x=1; $x <= 3; $x++) {

        if (!$file_exists(.//$img$x)) {

        //Change the variable $img? and give it the value of a temporary, blank 







I would be grateful for any help with this, thanks in advance,

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