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                ## 1、foreach語法格式 ``` 語法格式1:{foreach $arr as $key=>$value} {/foreach} 語法格式2:{foreach from=$myarr key="mykey" item="myitem"}{/foreach} 提示:foreach可以遍歷所有類型的數組,包括:枚舉數組、關聯數組、混合數組。 ``` ## 2、實例:輸出一維數組 ![](https://img.kancloud.cn/8b/9d/8b9d8d3899b7cb50a9ced08da336ac57_1093x658.png) ## 3、實例:輸出二維數組 ![](https://img.kancloud.cn/90/d2/90d28ee30024cde8ae4212c19fae2971_958x551.png) ## 4、foreach常用屬性應用 ``` 1. @key:輸出當前值的索引,可能是整型索引,也可能是字符索引; 2. @index:當前數組索引,從0開始計算; 3. @iteration,當前循環的次數,從1開始計算; 4. @first:當首次循環時,值為true; 5. @last:當最后一次循環時,值為true; 6. @total:是整個循環的次數,可以在foreach內部或外部使用; ``` ![](https://img.kancloud.cn/22/66/2266b067f3680e08b699aeaca5a4d953_1198x571.png) ![](https://img.kancloud.cn/d2/f3/d2f30b21730fb9b9a8d7321aad572dc1_715x149.png)
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