What does isset() function?
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How to use http headers inside php?
What is mean by an associative array?
How come the code works, but does not for two-dimensional array of mine?
Describe the security vulnerability of PHP?
How will you create a bi-lingual site (multiple languages) ?
How do you remove whitespace from the beginning and end of a $string variable?
Are there regular expressions in php?
Explain me difference between mysql_connect and mysql_pconnect?
hi! i am tushar. i am trying to insert digital signature in a pdf file using PHP. i create a digital signature jpg image using imagecreatefromjpeg() function, but whenever i trying to insert it into my pdf file it shown this error. "FPDF error: Not a JPEG file: signature.jpg". could some one help me? how can i insert a digital signature in a pdf file using PHP?
How do you get the Browser information?
Tell me is it possible to protect special characters in a query string?
What is a collection in php?