text: --TEST--
  Test vsprintf() function : usage variations - hexa formats with hexa values
  --SKIPIF--
  <?php
  if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
  ?>
  --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 hexa formats and hexa values are passed to
   * the '$format' and '$args' arguments of the function
  */
  
  echo "*** Testing vsprintf() : hexa formats with hexa values ***\n";
  
  // defining array of different hexa formats
  $formats = array(
    "%x",
    "%+x %-x %X",
    "%lx %Lx, %4x %-4x",
    "%10.4x %-10.4x %04x %04.4x",
    "%'#2x %'2x %'$2x %'_2x",
    "%x %x %x %x",
    "% %%x x%",
    '%3$x %4$x %1$x %2$x'
  );
  
  // Arrays of hexa values for the format defined in $format.
  // Each sub array contains hexa values which correspond to each format string in $format
  $args_array = array(
    array(0x0),
    array(-0x1, 0x1, +0x22),
    array(0x7FFFFFFF, -0x7fffffff, +0x7000000, -0x80000000),
    array(123456, 12345678, -1234567, 1234567),
    array(1, 0x2222, 0333333, -0x44444444),
    array(0x123b, 0xfAb, "0xaxz", 01293),
    array(0x1234, 0x34, 0x2ff),
    array(0x3, 0x4, 0x1, 0x2)
  
  );
  
  // looping to test vsprintf() with different char octal from the above $format array
  // and with octal 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() : hexa formats with hexa values ***
  
  -- Iteration 1 --
  string(1) "0"
  
  -- Iteration 2 --
  string(21) "ffffffffffffffff 1 22"
  
  -- Iteration 3 --
  string(36) "7fffffff x, 7000000 ffffffff80000000"
  
  -- Iteration 4 --
  string(43) "                      ffffffffffed2979 0000"
  
  -- Iteration 5 --
  string(30) "#1 2222 1b6db ffffffffbbbbbbbc"
  
  -- Iteration 6 --
  string(12) "123b fab 0 a"
  
  -- Iteration 7 --
  string(5) "%34 x"
  
  -- Iteration 8 --
  string(7) "1 2 3 4"
  Done
  