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vi Command Reference Sheet

Cursor movement h – move left j – move down k – move up l – move right w – jump by start of words (punctuation considered words) W – jump by words (spaces...

Check private IP function PHP 4

Check private IP function PHP

Check if IPv4 address is from a private range. This function is very handy if you need to allow or stop people from submitting private address spaces into you application. It has many uses....