方法1:使用 array_map 和serialize function array_unique_multidimensional($array) { $serialized = array_map('serialize', $array); $unique = array_unique($serialized); return array_intersect_key($array, $unique); } $multidimensionalArray = [ ['id' => 1, 'name' => 'A'], ['id' => 2...
I had a problem with array_unique and multidimensional arrays ... Maybe there's a better way to do this, but this will work for any dimensional arrays. <?php function arrayUnique($myArray) { if(!is_array($myArray)) return $myArray; foreach ($myArray as &$myvalue){ $myvalue=se...
<?php // Define a function to filter unique values based on a specified key in a multidimensional array function unique_array($my_array, $key) { $result = array(); // Initialize an empty array to store the unique values $i = 0; // Initialize a counter $key_array = array(); //...
Remove Duplicates From Multidimensional Array array_unique in PHP Thearray_unique()function are used to remove duplicate data from given array. Syntax: array_unique(array, sorttype) There are two parameters that will be passed in thearray_unique(), first specifying an array that is required and...
PHP中的Array2String & String2Array <?/*在Array和String类型之间转换,转换为字符串的数组可以直接在URL上传递*/ // convert a multidimensional array to url save and encoded string // usage: string Array2String( array Array ) function Array2String($Array)...
<?php $age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43"); foreach($ageas$x=>$x_value) { echo"Key=". $x .", Value=". $x_value; echo""; } ?> Try it Yourself » Example Create a multidimensional array: <?php
I needed a way to flip a multidimensional array and came up with this function to accomplish the task. I hope it helps someone else. <?php function multi_array_flip($arrayIn, $DesiredKey, $DesiredKey2=false, $OrigKeyName=false) { $ArrayOut...
Step 2: Make the values unique To make this one dimensional array unique, usearray_unique()function. Step 3: Revert it to the multidimensional array Though the array is now unique, the values looks like byte stream representation. To revert it back to the multidimensional array, useunserialize...
You might know how to find a value in an array or in a one dimensional array, but the same technique doesn’t work in a multidimensional array. So, you’re looking for the solution. Solution: Example: [php]<?php function multi_array_search($search_for, $search_in) { ...
A PHP array manipulation library. Compatible with PHP 7+ & PHP 8+ \Arrayy\Type\StringCollection::create(['Array', 'Array'])->unique()->append('y')->implode() // Arrayy Installation Multidimensional ArrayAccess PhpDoc @property checking OO and Chaining Collections Pre-Defined Typified Colle...