PHP array_merge_recursive() Function example

Posted by Prem Tiwari | Updated on | PHP

The array_merge_recursive() function merges the elements of one or more arrays together so that the values of one are appended to the end of the previous one. It returns the resulting array.

If the input arrays have the same string keys, then the values for these keys are merged together into an array, and this is done recursively, so that if one of the values is an array itself, the function will merge it with a corresponding entry in another array too. If, however, the arrays have the same numeric key, the later value will not overwrite the original value, but will be appended.

Example #1 array_merge_recursive() example

The above example will output:

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