Distinguish between urlencode and urldecode?
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Why are sessions used?
how many types of error in PHP.
For image work which library is used in php?
Tell me what is the main difference between require() and require_once()?
Explain the casts allowed in PHP?
What is urlencode and urldecode in php?
How to swap two variables without using 3rd temp variable.
How can I loop through the members of an array?
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Would you initialize your strings with single quotes or double quotes?
What is file upload?
Are php sessions secure?
How session works (internal processing of session) ?
3 Answers ASD Lab, IPSR Solutions,