PHP 在数组中加法运算操作实例代码

PHP 在数组中加法运算操作实例代码

2. $a = array("a" => "apple", "b" => "banana");
3. $b = array("a" => "pear", "b" => "strawberry", "c" => "cherry");
4. $c = $a $b; // Union of $a and $b
5. echo "Union of $a and $b: ";
6. var_dump($c);
7. $c = $b $a; // Union of $b and $a
8. echo "Union of $b and $a: ";
9. var_dump($c);
10. ?>
13. array(3) {
14. ["a"]=>
15. string(5) "apple"
16. ["b"]=>
17. string(6) "banana"
18. ["c"]=>
19. string(6) "cherry"
20. }
21. Union of $b and $a:
22. array(3) {
23. ["a"]=>
24. string(4) "pear"
25. ["b"]=>
26. string(10) "strawberry"
27. ["c"]=>
28. string(6) "cherry"
29. }
30. ?>