What is php form validation?
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Why json is used in php?
What is Gd PHP?
How are variables declared in php?
Do you know what is the use of rand() in php?
Is php 5 still supported?
What is string function sql?
Which is true about the singleton design pattern?
how to set session expire(session timeout) using php code
What is the use of super-global arrays in php?
What is the difference between include and include_once ? Which is one is good in terms of performance ?
What does php exit do?
How would you determine the size of a file in php?