PHP: Split string using array

Example 1:

<?php
 $str = "How are you doing today?";
 $split_str = explode(" ", $str);
 echo '<pre>'.print_r($split_str, true).'</pre>'; // Output 1
 echo $split_str[1]; // Output 2
?>

Output 1

Array
(
    [0] => How
    [1] => are
    [2] => you
    [3] => doing
    [4] => today?
)

Output 2

are

Example 2:

<?php
$string = '<span style="font-weight: bold;">Lorem ipsum dolor sit amet:-</span><br>(1) consectetur adipisicing elit <br>(2) sed do eiusmod tempor <br>(3) incididunt ut labore et <br>(4) dolore magna aliqua';
echo '<p>'.$string.'</p>'; // Output 3

$chars = preg_split('/<br>/', $string, -1, PREG_SPLIT_OFFSET_CAPTURE);
$third_br_position = $chars[3][1];  
$description = substr($string, 0, $third_br_position);

echo '<p>'.$description.'</p>'; // Output 4
?>

Output 3

Lorem ipsum dolor sit amet:-
(1) consectetur adipisicing elit 
(2) sed do eiusmod tempor 
(3) incididunt ut labore et 
(4) dolore magna aliqua

Output 4

Lorem ipsum dolor sit amet:-
(1) consectetur adipisicing elit 
(2) sed do eiusmod tempor 

Refer site:
explode() - http://php.net/manual/en/function.explode.php
preg_split() - http://php.net/manual/en/function.preg-split.php
http://www.java-samples.com/showtutorial.php?tutorialid=938