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--TEST-- Test str_split() function : basic functionality --FILE-- <?php /* Prototype : array str_split(string $str [, int $split_length]) * Description: Convert a string to an array. If split_length is specified, break the string down into chunks each split_length characters long. * Source code: ext/standard/string.c * Alias to functions: none */ echo "*** Testing str_split() : basic functionality ***\n"; // Initialise all required variables $str = 'This is basic testcase'; $split_length = 5; // Calling str_split() with all possible arguments echo "-- With all possible arguments --\n"; var_dump( str_split($str,$split_length) ); // Calling str_split() with default arguments echo "-- With split_length as default argument --\n"; var_dump( str_split($str) ); echo "Done" ?> --EXPECTF-- *** Testing str_split() : basic functionality *** -- With all possible arguments -- array(5) { [0]=> string(5) "This " [1]=> string(5) "is ba" [2]=> string(5) "sic t" [3]=> string(5) "estca" [4]=> string(2) "se" } -- With split_length as default argument -- array(22) { [0]=> string(1) "T" [1]=> string(1) "h" [2]=> string(1) "i" [3]=> string(1) "s" [4]=> string(1) " " [5]=> string(1) "i" [6]=> string(1) "s" [7]=> string(1) " " [8]=> string(1) "b" [9]=> string(1) "a" [10]=> string(1) "s" [11]=> string(1) "i" [12]=> string(1) "c" [13]=> string(1) " " [14]=> string(1) "t" [15]=> string(1) "e" [16]=> string(1) "s" [17]=> string(1) "t" [18]=> string(1) "c" [19]=> string(1) "a" [20]=> string(1) "s" [21]=> string(1) "e" } Done