To know the image size use getimagesize() function To know the image width use imagesx() function To know the image height use imagesy() function

• Return Nth the node from the end of the linked list in one pass.
• Find the factorial of number
• Print a data from a binary tree – In-order(ascending)
• Write a function that takes in a string parameter and checks to see whether or not it is an integer,
• Covert a string to upper case

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