PHP chop()

If there are any whitespaces or any other characters that are predefined in a string, a function called chop() function can be used to remove them from the right side of the string which is also an alias for a function called rtrim() function in PHP. This function is supported in the fourth version and the above versions after fourth version of PHP and the return value of this function in PHP is string but is a changed string when compared to the input string passed to the function.

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Syntax

The syntax to declare chop() function in PHP is as follows:

chop(string_name, char_list)

where,

• string_name: Is the name of the string that requires trimming, that is the chop() function must be applied on. This is the essential parameter of the syntax and is mandatory. The data type of this parameter is string data type.
• char_list: It specifies the list of characters to be removed from the string that is passed as a parameter. If the char_list parameter is not specified in the chop() function that is being called, the chop() function will be applied on the following list of characters like an ordinary space,

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