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advance thank you.

 

As what i understand that urlencode() function, makes sure that  the current variable holds only

characters and replaces anything else with a database friendly format.

 

makes the variable, database friendly in a link.

 

is that correct or half correct?

 

read the manual, but like to no what it really does to the variable it self in your words.

<?php

$name="redarrow";

echo"<a href='".$_SERVER['PHP_SELF']."?cmd=".urlencode($name)."'>link<a/>";

?>

 

What the proper way to see what urlencode does, as you can not see that in a link only the result.

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got it i think it strips away any  html  that can pertinently damage the database.

 

Not quite.

 

It encodes a url to send properly, so for a space, which normally breaks a url, it sets it to be %20.

 

Upon receiving the $_GET['cmd'] you should urldecode it and it will display what you originally put in.

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