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More about PHP substr() function >>>

You know* substr()*
function in php. The normal usage of this function is here:

Sytax: substr($str, $start, $length);

* echo substr(‘hello
world’,7,3); ?>
*
// First parameter is the string, second is
the start index (first character of the string starts from 0) and third param
is the length of the substring

Output: orl .

If we not specified the length parameter (parameter 3),
returns the string from $start to the end of the string.

example: ** echo substr(‘hello world’,7); ?> ** gives the output:** orld** If the $start parameter is a negative number, the position starts from end of the string. Example: ** **echo substr(‘on the way to operating theatre’, -9)****?>** gives an output: **g theatre** ****another example: ** **echo substr(‘on the way to operating theatre’, -9,3)****?>** output: **g t** If $length is negative, substr( ) counts back from the end of the string to determine where your substring ends: eg: ** **echo substr(‘on the way to operating theatre’, 4,-3)****?>

output: **he way to operating thea

another eg:
echo substr(‘on the way to operating theatre’, -9,-3)?>

output: g thea

Thanks and Regards

Syth