1--TEST-- 2Test preg_split() function : basic functionality 3--FILE-- 4<?php 5/* 6* proto array preg_split(string pattern, string subject [, int limit [, int flags]]) 7* Function is implemented in ext/pcre/php_pcre.c 8*/ 9$string = 'this is a_list: value1, Test__, string; Hello, world!_(parentheses)'; 10var_dump(preg_split('/[:,;\(\)]/', $string, -1, PREG_SPLIT_NO_EMPTY)); //parts of $string separated by : , ; ( or ) are put into an array. 11var_dump(preg_split('/:\s*(\w*,*\s*)+;/', $string)); //all text between : and ; is removed 12var_dump(preg_split('/(\(|\))/', $string, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY)); //all text before (parentheses) is put into first element, ( into second, "parentheses" into third and ) into fourth. 13var_dump(preg_split('/NAME/i', $string)); //tries to find NAME regardless of case in $string (can't split it so just returns how string as first element) 14var_dump(preg_split('/\w/', $string, -1, PREG_SPLIT_NO_EMPTY)); //every character (including whitespace) is put into an array element 15 16?> 17--EXPECT-- 18array(7) { 19 [0]=> 20 string(14) "this is a_list" 21 [1]=> 22 string(7) " value1" 23 [2]=> 24 string(7) " Test__" 25 [3]=> 26 string(7) " string" 27 [4]=> 28 string(6) " Hello" 29 [5]=> 30 string(8) " world!_" 31 [6]=> 32 string(11) "parentheses" 33} 34array(2) { 35 [0]=> 36 string(14) "this is a_list" 37 [1]=> 38 string(28) " Hello, world!_(parentheses)" 39} 40array(4) { 41 [0]=> 42 string(54) "this is a_list: value1, Test__, string; Hello, world!_" 43 [1]=> 44 string(1) "(" 45 [2]=> 46 string(11) "parentheses" 47 [3]=> 48 string(1) ")" 49} 50array(1) { 51 [0]=> 52 string(67) "this is a_list: value1, Test__, string; Hello, world!_(parentheses)" 53} 54array(10) { 55 [0]=> 56 string(1) " " 57 [1]=> 58 string(1) " " 59 [2]=> 60 string(2) ": " 61 [3]=> 62 string(2) ", " 63 [4]=> 64 string(2) ", " 65 [5]=> 66 string(2) "; " 67 [6]=> 68 string(2) ", " 69 [7]=> 70 string(1) "!" 71 [8]=> 72 string(1) "(" 73 [9]=> 74 string(1) ")" 75} 76