Detailed introduction to the php array_change_key_case() function

Detailed introduction to the php array_change_key_case() function

1. A brief discussion of the php array array_change_key_case() function and array_chunk() function_php examples

Introduction: The editor below will bring you a brief discussion of the php array array_change_key_case() function and array_chunk() function. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor to take a look

2. [php function]--array function--array_change_key_case

Introduction:: This article mainly introduces [php function]--array function--array_change_key_case. Students who are interested in PHP tutorials can refer to it.

3. What is disk defragmentation Array operation function defragmentation in php

Introduction: What is disk fragmentation Defragmentation: What is disk defragmentation? Array operation function defragmentation in php: Array([key =>] value, [key =>] value, [key =>] value, [key =>] value) / / key can be integer or string // value can be any value array_change_key_case -- Returns an array with all string keys in lowercase or uppercase array_chunk -- Split an array into multiple arrays

4. Array operation function sorting in php_PHP tutorial

Introduction: Array operation function sorting in php. Array([key =] value, [key =] value, [key =] value, [key =] value) // key can be integer or string // value can be any value array_change_key_case -- Returns the full string key name

5. Review of common functions in PHP_PHP tutorial

Introduction: Based on common functions in PHP review. array_change_key_case — Returns an array with string keys in all lowercase or uppercase array_chunk — Splits an array into multiple array_combine — Creates an array with the value of an array

##6. recurse_array_change_key_case() recurse returns an array whose string key names are all lowercase or uppercase_PHP Tutorial

Introduction: recurse_array_change_key_case() recursively returns a string key name all lowercase or uppercase Lowercase or uppercase array. //Recursively return an array whose string key names are all lowercase or uppercase function recurse_array_change_key_case($input, $case = CASE_LOWER){ if(!is_array($input)) return; foreach($input as $key

The above is the detailed content of Detailed introduction to the php array_change_key_case() function. For more information, please follow other related articles on the PHP Chinese website!