Zend_Filter_PregReplace performs a search using regular expressions
and replaces all found elements.
The following options are supported for Zend_Filter_PregReplace:
match: The pattern which will be searched for.
replace: The string which is used as replacement for the matches.
To use this filter properly you must give two options:
The option match has to be given to set the pattern which will be searched for. It can be a string for a single pattern, or an array of strings for multiple pattern.
To set the pattern which will be used as replacement the option replace has to be used. It can be a string for a single pattern, or an array of strings for multiple pattern.
<?php
$filter = new Zend_Filter_PregReplace(array('match' => '/bob/',
'replace' => 'john'));
$input = 'Hy bob!';
$filter->filter($input);
// returns 'Hy john!'
You can use getMatchPattern() and
setMatchPattern() to set the matching pattern afterwards. To
set the replacement pattern you can use getReplacement() and
setReplacement().
<?php
$filter = new Zend_Filter_PregReplace();
$filter->setMatchPattern(array('bob', 'Hy'))
->setReplacement(array('john', 'Bye'));
$input = 'Hy bob!";
$filter->filter($input);
// returns 'Bye john!'
For a more complex usage take a look into PHP's PCRE Pattern Chapter.