PHP Developer Interview Question:
How you can protect special characters in Query String?
Submitted by: AdministratorIf you want to include special characters like spaces in the query string, you need to protect them by applying the urlencode() translation function. The script below shows how to use urlencode():
<?php
print("<html>");
print("<p>Please click the links below"
." to submit comments about GlobalGuideLine.com:</p>");
$comment = 'I want to say: "It's a good site! :->"';
$comment = urlencode($comment);
print("<p>"
."<a href="processing_forms.php?name=Guest&comment=$comment">"
."It's an excellent site!</a></p>");
$comment = 'This visitor said: "It's an average site! :-("';
$comment = urlencode($comment);
print("<p>"
.'<a href="processing_forms.php?'.$comment.'">'
."It's an average site.</a></p>");
print("</html>");
?>
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<?php
print("<html>");
print("<p>Please click the links below"
." to submit comments about GlobalGuideLine.com:</p>");
$comment = 'I want to say: "It's a good site! :->"';
$comment = urlencode($comment);
print("<p>"
."<a href="processing_forms.php?name=Guest&comment=$comment">"
."It's an excellent site!</a></p>");
$comment = 'This visitor said: "It's an average site! :-("';
$comment = urlencode($comment);
print("<p>"
.'<a href="processing_forms.php?'.$comment.'">'
."It's an average site.</a></p>");
print("</html>");
?>
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