preg_filterPerform a regular expression search and replace Description
stringarraynull preg_filter(
stringarray $pattern ,stringarray $replacement ,stringarray $subject ,int $limit = -1,int &$count = null ) preg_filter is identical to preg_replace except it only returns the (possibly transformed) subjects where there was a match. For details about how this function works, read the preg_replace documentation. ParametersParameters are described in the documentation for preg_replace. Return Values
Returns an array if the
If no matches are found or an error occurred, an empty array
is returned when Errors/Exceptions
If the regex pattern passed does not compile to a valid regex, an Examples
Example #1 Example comparing preg_filter with preg_replace
The above example will output: preg_filter returns Array ( [0] => A:C:1 [1] => B:C:a [2] => A:2 [3] => B:b [4] => A:3 [7] => A:4 ) preg_replace returns Array ( [0] => A:C:1 [1] => B:C:a [2] => A:2 [3] => B:b [4] => A:3 [5] => A [6] => B [7] => A:4 ) |