Substr () explode () function

Substr (string, start, length): This function extracts the length characters from the start character of the string. If start is a negative number, it is counted from the end of the string. If the parameter length can be omitted, but it is a negative number, it indicates that the maximum length is obtained.

<? Php Tutorial
Echo substr ("abcdef", 1, 3); // return "bcd"
Echo substr ("abcdef",-2); // return "ef"
Echo substr ("abcdef",-3, 1); // return "d"
Echo substr ("abcdef", 1,-1); // return "bcde"
?>

Explode (separator, string, limit)

<? Php

$ Str = "abc | bck | fhq | nui ";

Print (explode ("|", $ srt); // output array ([0] => abc, [1] => bck, [2] => fhq, [3] => nui)

?>