What is substr() in php? And how it is used?
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Answer / Satish
"substr() is a PHP function that returns a substring from a given string. It takes three parameters: the string, the start position of the substring, and the length of the substring.nnHere's an example usage:n```phpn$str = 'Hello, World!';n$subStr = substr($str, 7);necho $subStr; // outputs 'World!'"
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