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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current File : //usr/local/src/php7/php-7.0.5/ext/standard/tests/array/uasort_basic1.phpt

--TEST--
Test uasort() function : basic functionality 
--FILE--
<?php
/* Prototype  : bool uasort(array $array_arg, string $cmp_function)
 * Description: Sort an array with a user-defined comparison function and maintain index association 
 * Source code: ext/standard/array.c
*/

echo "*** Testing uasort() : basic functionality ***\n";

// comparison function
/* Prototype : int cmp(mixed $value1, mixed $value2)
 * Parameters : $value1 and $value2 - values to be compared
 * Return value : 0 - if both values are same
 *                1 - if value1 is greater than value2
 *               -1 - if value1 is less than value2
 * Description : compares value1 and value2
 */
function cmp($value1, $value2)
{
  if($value1 == $value2) {
    return 0;
  }
  else if($value1 > $value2) {
    return 1;
  }
  else
    return -1;
}

// Int array with default keys
$int_values = array(1, 8, 9, 3, 2, 6, 7);
echo "-- Numeric array with default keys --\n";
var_dump( uasort($int_values, 'cmp') );
var_dump($int_values);

// String array with default keys
$string_values = array("This", "is", 'a', "test");
echo "-- String array with default keys --\n";
var_dump( uasort($string_values, 'cmp') );
var_dump($string_values);

// Associative array with numeric keys
$numeric_key_arg = array(1=> 1, 2 => 2, 3 => 7, 5 => 4, 4 => 9);
echo "-- Associative array with numeric keys --\n";
var_dump( uasort($numeric_key_arg, 'cmp') );
var_dump($numeric_key_arg);

// Associative array with string keys
$string_key_arg = array('one' => 4, 'two' => 2, 'three' => 1, 'four' => 10);
echo "-- Associative array with string keys --\n";
var_dump( uasort($string_key_arg, 'cmp') );
var_dump($string_key_arg);

echo "Done"
?>
--EXPECTF--
*** Testing uasort() : basic functionality ***
-- Numeric array with default keys --
bool(true)
array(7) {
  [0]=>
  int(1)
  [4]=>
  int(2)
  [3]=>
  int(3)
  [5]=>
  int(6)
  [6]=>
  int(7)
  [1]=>
  int(8)
  [2]=>
  int(9)
}
-- String array with default keys --
bool(true)
array(4) {
  [0]=>
  string(4) "This"
  [2]=>
  string(1) "a"
  [1]=>
  string(2) "is"
  [3]=>
  string(4) "test"
}
-- Associative array with numeric keys --
bool(true)
array(5) {
  [1]=>
  int(1)
  [2]=>
  int(2)
  [5]=>
  int(4)
  [3]=>
  int(7)
  [4]=>
  int(9)
}
-- Associative array with string keys --
bool(true)
array(4) {
  ["three"]=>
  int(1)
  ["two"]=>
  int(2)
  ["one"]=>
  int(4)
  ["four"]=>
  int(10)
}
Done

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