Friday, October 2, 2020

PHP preg_split() Function

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Hello dear readers! welcome back to another section of my tutorial on PHP. In this tutorial guide, we will be discussing about the PHP preg_split() function.

A PHP preg_split() function works exactly like split(), except for the fact that regular expressions are accepted as input parameters for pattern.

If the optional input parameter limit is specified, then only limit number of substrings are going to be returned.

Flags can be any combination of the following flags -

  • PREG_SPLIT_NO_EMPTY - If this flag is set, then only non-empty pieces is going to be returned by preg_split.
  • PREG_SPLIT_DELIM_CAPTURE - If this flag is set, then parenthesized expression in the delimiter pattern will be capured and also returned.
  • PRE_SPLIT_OFFSET_CAPTURE - If this flag is set, then for every occuring match the appendent string offset will also be returned.


Syntax

The following is the syntax for the preg_replace() function -

array preg_split (string pattern, string string  [, int  limit  [,  int  flags ]] );  

Return Value

  • Returns an array of strings after splitting up a string.

Example

Following is a simple example -

<?php
   $ip = "123.456.789.000"; // some IP address
   $iparr = preg_split ("/\./", $ip); 
   
   print "$iparr[0] <br />";
   print "$iparr[1] <br />" ;
   print "$iparr[2] <br />"  ;
   print "$iparr[3] <br />"  ;
?>

Output

When the above code is executed, it will produce the following result -

123
456
789
000

RECOMMENDED POST: PHP preg_replace() Function

Alright guys! This is where we are rounding up for this tutorial post. In my next tutorial guide, we are going to be discussing about the PHP preg_grep() Function.

Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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