preg_replace_callback

PHP 4 >= 4.0.5, PHP 5, PHP 7, PHP 8
preg_replace_callback - Perform a regular expression search and replace using a callback
Preg Replace Callback Online Tool
Manual
Code Examples

Example #1 preg_replace_callback example

Result: April fools day is 04/01/2003 Last christmas was 12/24/2002
Edit/Test in Sandbox
PHP Version:

Example #2 preg_replace_callback using recursive structure to handle encapsulated BB code

Edit/Test in Sandbox
PHP Version:


Example #3 of preg_replace_callback

Edit/Test in Sandbox
PHP Version:


Function preg_replace_callback:

Regular Expressions (Perl-Compatible) Functions

Most used PHP functions