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--TEST--
Test str_split() function : usage variations - different double quoted strings for 'str' argument
--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
*/
/*
* passing different double quoted strings as 'str' argument to str_split()
* split_length is set to 7
*/
echo "*** Testing str_split() : double quoted strings for 'str' ***\n";
//Initialize variables
$split_length = 7;
// different values for 'str'
$values = array(
"", //empty
" ", //space
"1234", //with only numbers
"simple string", //regular string
"It's string with quote", //string containing single quote
"string\tcontains\rwhite space\nchars",
"containing @ # $ % ^ & chars",
"with 1234 numbers",
"with \0 and ".chr(0)."null chars", //for binary safe
"with multiple space char",
"Testing invalid \k and \m escape char",
"to check with \\n and \\t" //ignoring \n and \t results
);
//loop through each element of $values for 'str' argument
for($count = 0; $count < count($values); $count++) {
echo "-- Iteration ".($count+1)." --\n";
var_dump( str_split($values[$count], $split_length) );
}
echo "Done"
?>
--EXPECTF--
*** Testing str_split() : double quoted strings for 'str' ***
-- Iteration 1 --
array(1) {
[0]=>
string(0) ""
}
-- Iteration 2 --
array(1) {
[0]=>
string(1) " "
}
-- Iteration 3 --
array(1) {
[0]=>
string(4) "1234"
}
-- Iteration 4 --
array(2) {
[0]=>
string(7) "simple "
[1]=>
string(6) "string"
}
-- Iteration 5 --
array(4) {
[0]=>
string(7) "It's st"
[1]=>
string(7) "ring wi"
[2]=>
string(7) "th quot"
[3]=>
string(1) "e"
}
-- Iteration 6 --
array(5) {
[0]=>
string(7) "string "
[1]=>
string(7) "contain"
[2]=>
string(7) "s
white"
[3]=>
string(7) " space
"
[4]=>
string(5) "chars"
}
-- Iteration 7 --
array(4) {
[0]=>
string(7) "contain"
[1]=>
string(7) "ing @ #"
[2]=>
string(7) " $ % ^ "
[3]=>
string(7) "& chars"
}
-- Iteration 8 --
array(3) {
[0]=>
string(7) "with 12"
[1]=>
string(7) "34 numb"
[2]=>
string(3) "ers"
}
-- Iteration 9 --
array(4) {
[0]=>
string(7) "with "
[1]=>
string(7) "and nu"
[2]=>
string(7) "ll char"
[3]=>
string(1) "s"
}
-- Iteration 10 --
array(5) {
[0]=>
string(7) "with "
[1]=>
string(7) " multip"
[2]=>
string(7) "le "
[3]=>
string(7) "space c"
[4]=>
string(3) "har"
}
-- Iteration 11 --
array(6) {
[0]=>
string(7) "Testing"
[1]=>
string(7) " invali"
[2]=>
string(7) "d \k an"
[3]=>
string(7) "d \m es"
[4]=>
string(7) "cape ch"
[5]=>
string(2) "ar"
}
-- Iteration 12 --
array(4) {
[0]=>
string(7) "to chec"
[1]=>
string(7) "k with "
[2]=>
string(7) "\n and "
[3]=>
string(2) "\t"
}
Done