php数组传值调用与传址调用

3. public class ArrayTest {

4. public static void main(String[] args){
5. Map[] maparray=new Map[3];
6. for (int i = 0; i < maparray.length; i++) {
7. Map<String,String> map=new HashMap<String,String>();
8. map.put("a", i+"_ajkcz");
9. map.put("c", "werq_"+i);
10. maparray[i]=map;
11. }
13. System.out.println("++++++++++++++++++++++++");
14. for (int i = 0; i < maparray.length; i++) {
15. Map<String,String> map=maparray[i];
16. Iterator it=map.keySet().iterator();
17. while(it.hasNext()){
18. String key=(String) it.next();
19. System.out.println(key+"\t"+map.get(key) );
20. }
21. }
23. System.out.println("++++++++++++++++++++++++");
24. new ArrayCharge().printAndChangeArray(maparray);
27. System.out.println("++++++++++++++++++++++++");
28. for (int i = 0; i < maparray.length; i++) {
29. Map<String,String> map=maparray[i];
30. Iterator it=map.keySet().iterator();
31. while(it.hasNext()){
32. String key=(String) it.next();
33. System.out.println(key+"\t"+map.get(key) );
34. }
35. }
36. }
37. }

38. class ArrayCharge {

39. public void printAndChangeArray(Map[] maparray){
40. for (int i = 0; i < maparray.length; i++) {
41. Map<String,String> map=maparray[i];
42. map.put("a",i+"________");
43. }
45. for (int i = 0; i < maparray.length; i++) {
46. Map<String,String> map=maparray[i];
47. Iterator it=map.keySet().iterator();
48. while(it.hasNext()){
49. String key=(String) it.next();
50. System.out.println(key+"\t"+map.get(key) );
51. }
52. }
53. }
54. }

控制台输出结果：

2. $arraytest=array();
3. for($i=0;$i<3;$i++){
4. $child=array();
5. $child['keystr']='key'.$i;
6. $child['valuestr']='value'.$i;
7. $arraytest[]=$child;
8. }
10. print_r($arraytest);
12. print_r("+++++++++++++++++++++++++");
13. for($i=0;$i $child=$arraytest[$i];
14. $child['valuestr']="_________".$i;
15. }
18. print_r($arraytest);
20. print_r("+++++++++++++++++++++++++");
22. ?>

控制台输出：

2. $arraytest=array();
3. for($i=0;$i<3;$i++){
4. $child=array();
5. $child['keystr']='key'.$i;
6. $child['valuestr']='value'.$i;
7. $arraytest[]=$child;
8. }
10. print_r($arraytest);
12. print_r("+++++++++++++++++++++++++");
13. for($i=0;$i $child=&$arraytest[$i]; //注意这里加了一个指针符号，代表是传址调用
14. $child['valuestr']="_________".$i;
15. }
17. print_r($arraytest);
18. print_r("+++++++++++++++++++++++++");
19. ?>

控制台输出：