PHP substr() Function

The substr() function returns a part of a string.

substr(string,start,length)

• String - (Required) Specify the string to return a part.


• start - (Required) Specify the where to start in string.
  Positive - start the specify position in string
  Negative - Start at a specify position from end of the string
  0 - start the first value of string.


• length - (Required) Specify the length of a string.
  A positive number is the length to be returned from the start parameter
  A Negative number is the length to be returned from the end of the string
  If the length parameter is 0, NULL, or FALSE - it return an empty string

<?php
    echo substr("Good Morning",5);
?>

Morning.

<?php    
    echo substr("Good Morning",5)."<br>";
    echo substr("Good Morning",-3)."<br>";
    echo substr("Good Morning",1)."<br>";
    echo substr("Good Morning",-5)."<br>";
?>

Morning
ing
ood Morning
rning