Which functions are used to remove whitespaces from the string?
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How to convert a string to lowercase in php?
How to Retrieve the Session ID of the Current Session?
What is the difference between public, protected and private?
What is the function file_get_contents() useful for?
Why is php so popular?
When you will get the error "Cannot add header information"?
What is compact function php?
What does the unset() function mean?
What is the difference between implode() and explode() in php?
Where sessions stored in PHP?
How can you count number of parameters given in a URL by POST method?
Explain whether it is possible to share a single instance of a memcache between multiple php projects?