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HomeBackend DevelopmentPHP Tutorial10 content recommendations for array_merge

1 $arr1 = array(1, 2, 3, 4, 'color'=>'red'); 2 $arr2 = array('a', 'b', 'c', 'color'=>'blue'); 3 print_r(array_merge($arr1, $arr2));//同名索引的值会覆盖 4 print_r(array_merge_recursive($arr1, $arr2));//相同的键名 不会覆盖,如果是单个元素会在转为一个一维数组 两个函数作用都是合并数组。参数可以是1到n个数组。(呃,不明白参数是1个数组的时候啥用的。谁知道告诉我。)   输出结果: 第3行: Array(    [0] => 1 &

1. 有关php array_merge()函数的文章推荐10篇

10 content recommendations for array_merge

简介:1 $arr1 = array(1, 2, 3, 4, 'color'=>'red');2 $arr2 = array('a', 'b', 'c', 'color'=>'blue');3 print_r(array_merge($arr1, $ar

2. 关于array_merge_recursive函数的详细介绍

10 content recommendations for array_merge

简介:1 $arr1 = array(1, 2, 3, 4, 'color'=>'red');2 $arr2 = array('a', 'b', 'c', 'color'=>'blue');3 print_r(array_merge($arr1, $arr2));//同名索引的值会覆盖4 print_r(array_merge_recursive($arr1, $arr2));//相同的键名 不会...

3. 关于array_merge函数的详细介绍

10 content recommendations for array_merge

简介:PHP数组如何合并?首先我们来介绍一下什么是array_merge():它是将一个数组单元或者多个数组单元进行合并起来,一个数组中的值,赋加在前面一个的数组后面,返回作为结果的数组。在上一篇文章《PHP数组的截取,等分以及替换部分数组》中,我们介绍了数组的切割,等分,以及替换,相信大家应该都能够理解了PHP数组的一些相关函数操作,那么今天我们继续给大家来讲解另外一个函数:array_merge()...

4. PHP数组如何合并?

10 content recommendations for array_merge

简介:首先我们来介绍一下什么是array_merge():它是将一个数组单元或者多个数组单元进行合并起来,一个数组中的值,赋加在前面一个的数组后面,返回作为结果的数组。

5. PHP数组函数(合并,拆分,追加,查找,删除等)

10 content recommendations for array_merge

简介:array_merge()函数将数组合并到一起,返回一个联合的数组。所得到的数组以第一个输入数组参数开始,按后面数组参数出现的顺序依次迫加。其形式为:

6. php常用数组函数实例小结

10 content recommendations for array_merge

简介:这篇文章主要介绍了php常用数组函数,结合实例形式总结分析了php常用数组函数array_merge、array_slice及array_map的功能与使用技巧,需要的朋友可以参考下

7. PHP合并数组+与array_merge的区别分析

10 content recommendations for array_merge

简介:PHP中两个数组合并可以使用+或者array_merge,但之间还是有区别的,而且这些区别如果了解不清楚项目中会要命的!

8. array_merge ()使用举例,合并同类数组

10 content recommendations for array_merge

简介:合并同类型数组,array_merge ()函数简单举例   $arr1 = $dblink->mem_fetch_array ( "SELECT t_pid,imgname,invented,score FROM `t_sum_giftimg` where t_pid=3 or t_pid=6", 0 );  $arr2 = $dblink->mem_fetch_a ...

9. PHP常用函数

10 content recommendations for array_merge

简介:数组函数 array_chunk                  //将一个数组分割成多个数组 array_key_exists           //检查给定的键名或索引是否存在于数组中 array_keys                    //返回数组中所有的键名,并形成新的数组 array_merge                 //合并一个或多个数组,重建索引 array_va ...

10. php数组拼接

10 content recommendations for array_merge

简介:合并数组 array_merge()函数将数组合并到一起,返回一个联合的数组。所得到的数组以第一个输入数组参数开始,按后面数组参数出现的顺序依次迫加。其形式为: 1 array array_merge (array array1 array2…,arrayN) 将一个或多个数组的单元合并起来,一个数组中的值附加在前一个数组的后面。返回作为结果的数组。 如果输入的数组中有相同的字符串键名,则该键名后面 ...

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php里面合并数组array_merge和加号有什么不同

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