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--TEST-- Test preg_split() function : basic functionality --FILE-- <?php /* * proto array preg_split(string pattern, string subject [, int limit [, int flags]]) * Function is implemented in ext/pcre/php_pcre.c */ $string = 'this is a_list: value1, Test__, string; Hello, world!_(parentheses)'; var_dump(preg_split('/[:,;\(\)]/', $string, -1, PREG_SPLIT_NO_EMPTY)); //parts of $string separated by : , ; ( or ) are put into an array. var_dump(preg_split('/:\s*(\w*,*\s*)+;/', $string)); //all text between : and ; is removed var_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. var_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) var_dump(preg_split('/\w/', $string, -1, PREG_SPLIT_NO_EMPTY)); //every character (including whitespace) is put into an array element ?> --EXPECT-- array(7) { [0]=> string(14) "this is a_list" [1]=> string(7) " value1" [2]=> string(7) " Test__" [3]=> string(7) " string" [4]=> string(6) " Hello" [5]=> string(8) " world!_" [6]=> string(11) "parentheses" } array(2) { [0]=> string(14) "this is a_list" [1]=> string(28) " Hello, world!_(parentheses)" } array(4) { [0]=> string(54) "this is a_list: value1, Test__, string; Hello, world!_" [1]=> string(1) "(" [2]=> string(11) "parentheses" [3]=> string(1) ")" } array(1) { [0]=> string(67) "this is a_list: value1, Test__, string; Hello, world!_(parentheses)" } array(10) { [0]=> string(1) " " [1]=> string(1) " " [2]=> string(2) ": " [3]=> string(2) ", " [4]=> string(2) ", " [5]=> string(2) "; " [6]=> string(2) ", " [7]=> string(1) "!" [8]=> string(1) "(" [9]=> string(1) ")" }