Which will check if a function exists?
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What are the different components used in php for formatting?
what is magic code ?
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Would you initialize your strings with single quotes or double quotes?
What is the use of super-global arrays in php?
What is the role of php.ini file?
How to check an element is exists in array or not in php?
tel me any 2 regular expressions with example
How long do php sessions last?
what is constructor in a class, how it is work, how it is call?
What is the purpose of the following files having extensions 1) .frm 2) .myd 3) .myi? What do these files contain?
How do I check environment variables?
Tell me how can we determine whether a variable is set?