[黑马PHP教程]C. 数组的遍历(必记)
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一,利用foreach遍历数组
![](https://image.cha138.com/20210601/5b537dd200eb4267a1cec5ba9e350edb.jpg)
二,数组的指针操作与遍历原理
![](https://image.cha138.com/20210601/f60998dfb500474881226d84a4727bb8.jpg)
![](https://image.cha138.com/20210601/e7c646420fff4a8ba91bae6e3cbe68ab.jpg)
![](https://image.cha138.com/20210601/0900b9e8c3604d57bd4aafb520df464e.jpg)
三,数组遍历流程原理
![](https://image.cha138.com/20210601/4de5b8059465470eacbd2046bdc6996d.jpg)
![](https://image.cha138.com/20210601/40df246e888640db9dcded557fb9ec50.jpg)
四,利用 for循环 和 next 遍历数组
![](https://image.cha138.com/20210601/b6ebf67fbad449ac8bda65732e20358d.jpg)
![](https://image.cha138.com/20210601/1f761829a75a438d99dd492451d76d4a.jpg)
![](https://image.cha138.com/20210601/47705d1b53d044c1b940b58f8456b891.jpg)
五,利用 while循环+ each()+ list() 遍历数组
①each()函数的使用
![](https://image.cha138.com/20210601/4bf29baeaaca4b079b7f38f34d099236.jpg)
![](https://image.cha138.com/20210601/aec9f13cbb024e619472d3ad1a85b152.jpg)
②list()“函数”的使用
![](https://image.cha138.com/20210601/97a5b211966345feb7c994cacb5fb191.jpg)
![](https://image.cha138.com/20210601/ee31c2cd1dee497cac8e935efac274ad.jpg)
![](https://image.cha138.com/20210601/65b6ee189281459ca51818621ee1863e.jpg)
③利用 while循环+each()+list() 遍历数组
![](https://image.cha138.com/20210601/b9717fc86b864f48b3002668a65efb21.jpg)
六,数组遍历的一些细节
![](https://image.cha138.com/20210601/55105bb2fb3f4ab58d7a98ecd58af2ea.jpg)
![](https://image.cha138.com/20210601/76d59d592a504041a42e07a516131af6.jpg)
![](https://image.cha138.com/20210601/ecb2242696fa47a6a26b9321e2a2339d.jpg)
![](https://image.cha138.com/20210601/d5650a34abcb4877b43c832b93d657d9.jpg)
![](https://image.cha138.com/20210601/69ee829460594d57b9acc61abe883883.jpg)
![](https://image.cha138.com/20210601/96b22361c94749999debab66d5aa8ca8.jpg)
![](https://image.cha138.com/20210601/feb52366f9ce490c802ae593a1fb05c1.jpg)
![](https://image.cha138.com/20210601/9239d6ce9567454c98277619bfd4fe4d.jpg)
![](https://image.cha138.com/20210601/ae7f33777b52455c81692896b5dfe8f0.jpg)
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