How to merge php arrays

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1. Three merger methods

(1) the array_merge numeric key is classified as 0, and if it contains the same key, the second key value is retained.

(2) the array_merge_recursive numeric key is 0, and the array is synthesized when it contains the same key.

(3) the array_combine function means to create an array with the value of one array as its key name and the value of another array as its value.

2. Examples

Array_merge merges arrays.

$a = array (array ("1", "2"), array ("3", "4")); $b = array (array ("a", "b"), array ("c", "d")); $c = array_merge ($acentinb); print_r ($c); what language is php, a nested acronym that stands for English Hypertext preprocessing language (PHP:Hypertext Preprocessor). PHP is a kind of HTML embedded language. PHP is somewhat similar to Microsoft's ASP. It is a scripting language that embeds HTML documents on the server. The style of the language is similar to C language, and now it is widely used by many website programmers.

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