Is key exist in array php?
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How to get the number of characters in a string?
1.Where are the sessions storing ? 2.What are the contents of a session file ? 3.If the server is loaded with too many session files there is a possibility of server crash. How can we solve this issue? 4. How does php server identify that the particular session belongs to particular user ? For ex: If two users A and B logged from different machine, separate session files (say 1 and 2) will be created in the server. But how the php knows that 1 belongs to A and 2 belongs to B ?
Is server side a session?
What is php's mysqli extension?
How we can retrieve the data in the result set of mysql using php?
What is a string in php?
What is the Diff. Between echo() and Print() in PHP?
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What is asort php?
What is difference between put and post method in http?
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?
Explain me what is the meaning of a persistent cookie?
What are the new features available in php 7?