1--TEST--
2Test chunk_split() function : usage variations - different double quoted values for 'str' argument
3--FILE--
4<?php
5/*
6* Passing different double quoted strings for 'str' argument to chunk_split()
7* here 'chunklen' is set to 5 and 'ending' is "????"
8*/
9
10echo "*** Testing chunk_split() : with different double quoted values for 'str' argument ***\n";
11
12// Initializing variables
13$chunklen = 5;
14$ending = "????";
15
16// different values for 'str'
17$values = array(
18  "",  //empty
19  " ",  //space
20  "This is simple string",  //regular string
21  "It's string with quotes",  //string containing single quote
22  "This contains @ # $ % ^ & chars",   //string with special characters
23  "This string\tcontains\rwhite space\nchars",
24  "This is string with 1234 numbers",
25  "This is string with \0 and ".chr(0)."null chars",  //for binary safe
26  "This is string with    multiple         space char",
27  "Testing invalid \k and \m escape char",
28  "This is to check with \\n and \\t" //to ignore \n and \t results
29
30);
31
32// loop through each element of the array for 'str'
33for($count = 0; $count < count($values); $count++) {
34  echo "-- Iteration ".($count+1)." --\n";
35  var_dump( chunk_split( $values[$count], $chunklen, $ending) );
36}
37
38echo "Done"
39?>
40--EXPECTF--
41*** Testing chunk_split() : with different double quoted values for 'str' argument ***
42-- Iteration 1 --
43string(4) "????"
44-- Iteration 2 --
45string(5) " ????"
46-- Iteration 3 --
47string(41) "This ????is si????mple ????strin????g????"
48-- Iteration 4 --
49string(43) "It's ????strin????g wit????h quo????tes????"
50-- Iteration 5 --
51string(59) "This ????conta????ins @???? # $ ????% ^ &???? char????s????"
52-- Iteration 6 --
53string(70) "This ????strin????g	con????tains????
53whit????e spa????ce
54ch????ars????"
55-- Iteration 7 --
56string(60) "This ????is st????ring ????with ????1234 ????numbe????rs????"
57-- Iteration 8 --
58string(69) "This ????is st????ring ????with ????%0 and???? %0nul????l cha????rs????"
59-- Iteration 9 --
60string(90) "This ????is st????ring ????with ????   mu????ltipl????e    ????     ????space???? char????"
61-- Iteration 10 --
62string(69) "Testi????ng in????valid???? \k a????nd \m???? esca????pe ch????ar????"
63-- Iteration 11 --
64string(59) "This ????is to???? chec????k wit????h \n ????and \????t????"
65Done
66