--TEST--
Test vsprintf() function : usage variations - string formats with strings
--FILE--
<?php
/* Prototype  : string vsprintf(string format, array args)
 * Description: Return a formatted string 
 * Source code: ext/standard/formatted_print.c
*/

/*
 * Test vsprintf() when different string formats and string values are passed to
 * the '$format' and '$args' arguments of the function
*/

echo "*** Testing vsprintf() : string formats with strings ***\n";


// defining different heredoc strings
$heredoc_string = <<<EOT
This is string defined
using heredoc.
EOT;

/* heredoc string with only numerics */
$heredoc_numeric_string = <<<EOT
123456 3993
4849 string
EOT;

/* empty heardoc string */
$heredoc_empty_string = <<<EOT
EOT;

// defining array of string formats
$formats = array(
  "%s",
  "%+s %-s %S",
  "%ls %Ls, %4s %-4s",
  "%10.4s %-10.4s %04s %04.4s",
  "%'#2s %'2s %'$2s %'_2s",
  "%% %%s %10 s%",
  '%3$s %4$s %1$s %2$s'
);

// Arrays of string values for the format defined in $format.
// Each sub array contains string values which correspond to each format string in $format
$args_array = array(
  array(" "),
  array("hello\0world", "hello\0", "\0hello"),
  array("@#$%&*", "@#$%&*", "\x55F", "\001"),
  array("sunday", 'monday', "tuesday", 'wednesday'),
  array($heredoc_string, "abcdef", $heredoc_numeric_string, $heredoc_empty_string),
  array("one", "two", 'three', 'four'),
  array("three", 'four', 'one', "two")

);

// looping to test vsprintf() with different string formats from the above $format array
// and with string from the above $args_array array
$counter = 1;
foreach($formats as $format) {
  echo "\n-- Iteration $counter --\n";   
  var_dump( vsprintf($format, $args_array[$counter-1]) );
  $counter++;
}

echo "Done";
?>

--EXPECTF--
*** Testing vsprintf() : string formats with strings ***

-- Iteration 1 --
string(1) " "

-- Iteration 2 --
string(19) "hello world hello  "

-- Iteration 3 --
string(19) "@#$%&* s,   UF    "

-- Iteration 4 --
string(34) "      sund mond       tuesday wedn"

-- Iteration 5 --
string(71) "This is string defined
using heredoc. abcdef 123456 3993
4849 string __"

-- Iteration 6 --
string(6) "% %s s"

-- Iteration 7 --
string(18) "one two three four"
Done