Thearray_merge()function is a built-in PHP function that is used to merge one or more arrays. It takes an arbitrary number of arrays as arguments and returns a new array. The new array contains the elements of
Merge two arrays without duplicate values in PHP Now we will usearray_unique()andarray_merge()both PHP function together to merge two arrays and remove duplicate values like in below example: <?php $array1=array("yellow","red","green","orange","purple"); $array2=array("pink","brown"...
PHP Version:4+ Changelog:As of PHP 5.0, this function only accept parameters of type array More Examples Example Merge two associative arrays into one array: <?php $a1=array("a"=>"red","b"=>"green"); $a2=array("c"=>"blue","b"=>"yellow"); ...
2.array_replace和+操作符是相反的: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 // numeric arrays 索引数组array_replace($a,$b)===$b+$a// associative arrays 关联数组array_replace($a,$b)==$b+$a// 相等 ==,但不相同 === 3. 对于索引数组,array_merge和其他两个操作的结果完全不同...
The array_merge_recursive() function merges one or more arrays into one array.The difference between this function and the array_merge() function is when two or more array elements have the same key. Instead of override the keys, the array_merge_recursive() function makes the value as an ...
[2] => Volvo [3] => Toyota ) In the above example, we merge two arrays,$array1and$array2, usingarray_merge(). The resulting array,$mergedArray, contains all the elements from both arrays. Merge an associative array in PHP $cars1 = array('fer' => 'Ferrari', 'ben' => 'Benz'...
/** mediawiki-extensions-Arrays-REL1_37 ExtArrays.php* Merge values two arrayes identified by arrayid1 and arrayid2 into a new array identified by arrayid_new.* This merge differs from array_merge of php because it merges values.** Usage:* {{#arraymerge:arrayid_new |array1 |array2 ...
If the input arrays contain numeric keys, the later value will be appended instead of overriding the original value. Version: (PHP 4 and above) Syntax: array_merge_recursive(array_name1, array_name2...) Parameters: Return value: The merged array. ...
PHP 官方的文档只是简单做了它们功能的介绍,没有对他们直接之间的区别做了详细介绍,所以首先用一图来描述它们之间的区别: 几点使用细节: 1. 对于关联数组来说,array_merge和array_replace的效果是一样的,从技术上说完全可以互换: // associative arrays 关联数组array_replace($a,$b)===array_merge($a,$b) ...
http://php.net/manual/en/function.array-merge.php If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however, the arrays contain numeric keys, the later value will not overwrite the original value, but will be appended....