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