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php

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

/*
* Test vsprintf() for char formats with an array of chars passed to the function
*/

echo "*** Testing vsprintf() : char formats with char values ***\n";


// defining array of char formats
$formats = array(
  "%c",
  "%+c %-c %C",
  "%lc %Lc, %4c %-4c",
  "%10.4c %-10.4c %04c %04.4c",
  "%'#2c %'2c %'$2c %'_2c",
  "%c %c %c %c",
  "% %%c c%",
  '%3$c %4$c %1$c %2$c'
);

// Arrays of char values for the format defined in $format.
// Each sub array contains char values which correspond to each format string in $format
$args_array = array(
  array(0),
  array('c', 67, 68),
  array(' ', " ", -67, +67),
  array(97, -97, 98, +98),
  array(97, -97, 98, +98),
  array(0x123b, 0xfAb, 0123, 01293),
  array(38, -1234, 2345),
  array(67, 68, 65, 66)

);

// looping to test vsprintf() with different char formats from the above $format array
// and with char values 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() : char formats with char values ***

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

-- Iteration 2 --
string(4) " C "

-- Iteration 3 --
string(8) " c, ½ C"

-- Iteration 4 --
string(7) "a Ÿ b b"

-- Iteration 5 --
string(7) "a Ÿ b b"

-- Iteration 6 --
string(7) "; « S 
"

-- Iteration 7 --
string(4) "%. c"

-- Iteration 8 --
string(7) "A B C D"
Done