The explode function in PHP is very useful in developing any web application or website. In this article, I will explain the explode function and give you real-life example.
PHP explode()
explode() function splits/break a word into an array based on the separator provided.
explode( separator, string, limit )separator | required | A character or string which specifies from where to break the word. |
string | required | The actual string that will be broken into array |
limit | optional | It will be an integer. greater than 0: Returns an array with limitless than 0: Returns an array -limit elementsequal to 0: Returns an array with only 1 element |
Example
Breaking tags string into an array so that they can
$tags = 'wordpress,php,php explode,php implode,php functions';
// without limit parameter
$tags_arr = explode(',', $tags);
/* Output:
Array ( [0] => wordpress [1] => php [2] => php explode [3] => php implode [4] => php functions )
*/
// with limit = 0
$tags_arr = explode(',', $tags, 0);
/* Output:
Array ( [0] => wordpress,php,php explode,php implode,php functions )
*/
// with limit = 4
$tags_arr = explode(',', $tags, 4);
/* Output:
Array ( [0] => wordpress [1] => php [2] => php explode [3] => php implode,php functions )
*/
// with limit = -2
$tags_arr = explode(',', $tags, -2);
/* Output:
Array ( [0] => wordpress [1] => php [2] => php explode )
*/Example Explained:
Without
With limit equals 0: It returns an array with only 1 element. In other words, it converts the string into an array element without breaking it.
With limit equals 4: Breaks the string from the start until total array elements equal to 4.
With limit equals -2: Breaks the string into array elements based on the separator
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