Recommended articles about array_merge_recursive()() function

1 $arr1 = array(1, 2, 3, 4, 'color'=>'red'); 2 $arr2 = array('a', 'b', 'c', 'color'=>'blue'); 3 print_r(array_merge($arr1, $arr2));//The value of the index with the same name will be overwritten 4 print_r(array_merge_recursive($arr1, $arr2));//The same key name will not be overwritten. If it is a single element, it will be converted into a one-dimensional array. Both functions are used to merge arrays. Parameters can be arrays of 1 to n. (Well, I don’t understand what is used when the parameter is an array. Who knows? Tell me.) ​ Output result: Line 3: Array( [0] => 1 &

1. Detailed introduction to array_merge_recursive function

Introduction: 1 $arr1 = array(1, 2, 3, 4, 'color'=>'red');2 $arr2 = array('a', 'b' , 'c', 'color'=>'blue');3 print_r(array_merge($arr1, $arr2));//The value of the index with the same name will overwrite 4 print_r(array_merge_recursive($arr1, $arr2)); //The same key name will not...

2. Commonly used array functions in php (7) Array merge array_merge() and array_merge_recursive()

Introduction: Commonly used array functions in PHP (7) Array merge array_merge() and array_merge_recursive()

3. php array Merge: Analysis of the difference between + operator, array_merge, and array_merge_recursive

Introduction: PHP array merge: Analysis of the difference between + operator, array_merge, and array_merge_recursive

4. php-Arrays function-array_merge_recursive-recursively merge one or more arrays_PHP tutorial

Introduction: php-Arrays function- array_merge_recursive - Recursively merge one or more arrays. array_merge_recursive() Recursively merge one or more arrays [Function] This function merges the units of one or more arrays, and the values ​​in one array are appended to the previous array.

5. PHP array merging: ["+" operator], [array_merge], [array_merge_recursive] difference

Introduction: PHP array merging: ["+" operator], [array_merge], [array_merge_recursive] differences,

##6. array_merge loses an empty array, what should I do? Solution

Introduction: array_merge lost an empty array array_merge lost an empty array How to retain all data of fully initialized template array? ------Solution--------------------print_r(array_merge_recursive($a, $b)); Array ( [color_and_size]

7. How to merge several arrays into one array in PHP

Introduction: How to merge in PHP Merge several arrays into one array. Merge one-dimensional arrays

8. array_merge is empty Array, how to solve the problem

Introduction: array_merge loses the empty array array_merge loses the empty array How to retain all the data of the fully initialized template array? ------Solution--------------------print_r(array_merge_recursive($a, $b));Array( [color_and_size] =

9. php-Arrays function-array_merge_recursive-recursively merge one or more arrays

Introduction: php-Arrays function-array_merge_recursive-recursively merges one or more arrays. array_merge_recursive() recursively merges one or more arrays [Function] This function merges the units of one or more arrays, and the values ​​in one array are appended to the previous array

10. Suspicion: A bug in php array_merge_recursive

Introduction: {code...} Theoretically it should return: {code...} Actual return: {Code...} Is this a bug? Update: This is not a bug, it’s just that the manual does not clearly explain how to reset the numeric keys when merging.

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Suspect: a bug in php array_merge_recursive

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