preg_grep

(PHP4 )

preg_grep --  Return array entries that match the pattern

Description

array preg_grep (string pattern, array input)

preg_grep() returns the array consisting of the elements of the input array that match the given pattern.

Example 1. preg_grep() example


// return all array elements
// containing floating point numbers
$fl_array = preg_grep ("/^(\d+)?\.\d+$/", $array);