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PHP 在数组中加法运算操作实例代码

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Release: 2016-06-13 10:39:39
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PHP 在数组中加法运算操作实例代码

  1.         $a = array("a" => "apple", "b" => "banana");
  2.         $b = array("a" => "pear", "b" => "strawberry", "c" => "cherry");
  3.         $c = $a $b; // Union of $a and $b
  4.         echo "Union of $a and $b: ";
  5.         var_dump($c);
  6.         $c = $b $a; // Union of $b and $a
  7.         echo "Union of $b and $a: ";
  8.         var_dump($c);
  9. ?>
  10.         array(3) {
  11.         ["a"]=>
  12.         string(5) "apple"
  13.         ["b"]=>
  14.         string(6) "banana"
  15.         ["c"]=>
  16.         string(6) "cherry"
  17.         }
  18.         Union of $b and $a:
  19.         array(3) {
  20.         ["a"]=>
  21.         string(4) "pear"
  22.         ["b"]=>
  23.         string(10) "strawberry"
  24.         ["c"]=>
  25.         string(6) "cherry"
  26.         }
  27. ?>

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