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How you can remove white spaces from the beginning and/or the end of a String in PHP?

Answer:

There are 4 PHP functions you can use remove white space characters from the beginning and/or the end of a string:

► trim() - Remove white space characters from the beginning and the end of a string.
► ltrim() - Remove white space characters from the beginning of a string.
► rtrim() - Remove white space characters from the end of a string.
► chop() - Same as rtrim().

White space characters are defined as:
► " " (ASCII 32 (0x20)), an ordinary space.
► " " (ASCII 9 (0x09)), a tab.
► " " (ASCII 10 (0x0A)), a new line (line feed).
► " " (ASCII 13 (0x0D)), a carriage return.
► "

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