1--TEST-- 2Test preg_grep() function : basic functionality 3--FILE-- 4<?php 5/* 6* proto array preg_grep(string regex, array input [, int flags]) 7* Function is implemented in ext/pcre/php_pcre.c 8*/ 9$array = array('HTTP://WWW.EXAMPLE.COM', '/index.html', '/info/stat/', 'http://test.uk.com/index/html', '/display/dept.php'); 10var_dump($array); 11var_dump(preg_grep('@^HTTP(.*?)\w{2,}$@i', $array)); //finds a string starting with http (regardless of case) (matches two) 12var_dump(preg_grep('@(/\w+\.*/*)+@', $array)); //finds / followed by one or more of a-z, A-Z and 0-9, followed by zero or more . followed by zero or more / all more than once. (matches all) 13var_dump(preg_grep('@^http://[^w]{3}.*$@i', $array)); //finds http:// (at the beginning of a string) not followed by 3 characters that aren't w's then anything to the end of the sttring (matches one) 14var_dump(preg_grep('@.*?\.co\.uk$@i', $array)); //finds any address ending in .co.uk (matches none) 15var_dump(preg_grep('@^HTTP(.*?)\w{2,}$@i', $array, PREG_GREP_INVERT)); //same as first example but the array created contains everything that is NOT matched but the regex (matches three) 16 17?> 18--EXPECT-- 19array(5) { 20 [0]=> 21 string(22) "HTTP://WWW.EXAMPLE.COM" 22 [1]=> 23 string(11) "/index.html" 24 [2]=> 25 string(11) "/info/stat/" 26 [3]=> 27 string(29) "http://test.uk.com/index/html" 28 [4]=> 29 string(17) "/display/dept.php" 30} 31array(2) { 32 [0]=> 33 string(22) "HTTP://WWW.EXAMPLE.COM" 34 [3]=> 35 string(29) "http://test.uk.com/index/html" 36} 37array(5) { 38 [0]=> 39 string(22) "HTTP://WWW.EXAMPLE.COM" 40 [1]=> 41 string(11) "/index.html" 42 [2]=> 43 string(11) "/info/stat/" 44 [3]=> 45 string(29) "http://test.uk.com/index/html" 46 [4]=> 47 string(17) "/display/dept.php" 48} 49array(1) { 50 [3]=> 51 string(29) "http://test.uk.com/index/html" 52} 53array(0) { 54} 55array(3) { 56 [1]=> 57 string(11) "/index.html" 58 [2]=> 59 string(11) "/info/stat/" 60 [4]=> 61 string(17) "/display/dept.php" 62} 63
