ID: 8906
User Update by: [EMAIL PROTECTED]
Status: Open
Bug Type: Unknown/Other Function
Description: Image submit error with X and Y strings

It seems that the added x and y values are the x and y coordinates of your mouse on 
the image *doh*. Kinda weird to use a default $x and $y for that though.

M. J. Blom

Previous Comments:

[2001-01-25 10:07:21] [EMAIL PROTECTED]
When you have a form with a fieldname 'x' and/or 'y' and you put an image as submit 
button, instead of the usual submit button, PHP will add random numbers to it:

Small source code to reproduce this error:
if(!$x && !$y && !$z) { $x="undefined"; $y=$x; $z=$x; }
print "X is: <strong>$x</strong><br>n";
print "Y is: <strong>$y</strong><br>n";
print "Z is: <strong>$z</strong><br>n";
<form action="<?php echo $PHP_SELF;?>">
X: <input type="text" name="x" size="3"><br>
Y: <input type="text" name="y" size="3"><br>
Z: <input type="text" name="z" size="3"><br>
<input type="submit" value="search"><br>
<input type="image" src="search.jpg" alt="search">

As you can see, the value's will be the same when you hit the original submit button, 
but the values will differ when you hit the image.

I have created a similar form in Perl (CGI), but that does not seem to have the same 
akward result.

Kind Regard,

M. J. Blom


Full Bug description available at:

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