why substr is used, PHP Arrays, PHP

Question:Why substr() is used?

Answer The substr() function returns the part of a string located between a predefined starting offset and length positions.

Its prototype : string substr(string str, int start [, int length])

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Why substr() is used?

Question:Why substr() is used?

Answer The substr() function returns the part of a string located between a predefined starting offset and length positions.Its prototype : string substr(string str, int start [, int length])

Answer The substr() function returns the part of a string located between a predefined starting offset and length positions.

Its prototype : string substr(string str, int start [, int length])