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1. www.php.net › manual › enPHP: array_diff_uassoc - Manual

   www.php.net › manual › en

   Compares array against arrays and returns the difference. Unlike array_diff () the array keys are used in the comparison. Unlike array_diff_assoc () a user supplied callback function is used for the indices comparison, not internal function.

   • PHP: array_udiff_assoc

     array_diff_uassoc () - Computes the difference of arrays...

2. www.w3schools.com › Php › func_array_diff_uassocPHP array_diff_uassoc () Function - W3Schools

   www.w3schools.com › Php › func_array_diff_uassoc

   Definition and Usage The array_diff_uassoc () function compares the keys and values of two (or more) arrays, and returns the differences. Note: This function uses a user-defined function to compare the keys! This function compares the keys and values of two (or more) arrays, and return an array that contains the entries from array1 that are not present in array2 or array3, etc.

3. www.geeksforgeeks.org › php › php-array_diff_uassocPHP array_diff_uassoc () Function - GeeksforGeeks

   www.geeksforgeeks.org › php › php-array_diff_uassoc

   Jul 11, 2025 · The array_diff_uassoc () function is a built-in function in PHP and is used to get the difference between one or more arrays using an user-defined function to compare the keys.

4. stackoverflow.com › questions › 26121336PHP array_diff_uassoc () Function - Stack Overflow

   stackoverflow.com › questions › 26121336

   Sep 30, 2014 · Check out the docs for array_diff_uassoc () to view what the callback definition is, this is the method it uses to perform the comparison and it accepts two values, despite the number of values provided: Parameter: key_compare_func The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to ...

5. www.zetcode.com › php-array › array-diff-uassocPHP array_diff_uassoc - Array Difference with Key Comparison ...

   www.zetcode.com › php-array › array-diff-uassoc

   The PHP array_diff_uassoc function computes the difference of arrays with additional index check. It compares both keys and values using a user-defined callback function.

6. www.tutorialspoint.com › php › php_function_arrayPHP array_diff_uassoc () Function - Online Tutorials Library

   www.tutorialspoint.com › php › php_function_array

   The array_diff_uassoc () function compares the keys and values of two (or more) arrays, and returns an array that contains the entries from array1 that are not present in any of the other arrays with the same value.

7. People also ask

   How to compare two arrays in PHP?

   • ❮ PHP Array Reference Compare the keys and values of two arrays (use a user-defined function to compare the keys), and return the differences: The array_diff_uassoc () function compares the keys and values of two (or more) arrays, and returns the differences. Note: This function uses a user-defined function to compare the keys!

   PHP array_diff_uassoc() Function - W3Schools

   www.w3schools.com/Php/func_array_diff_uassoc.asp

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   What does array_udiff_Assoc do?

   • array_udiff_assoc — Computes the difference of arrays with additional index check, compares data by a callback function Computes the difference of arrays with additional index check, compares data by a callback function. Note: Please note that this function only checks one dimension of a n-dimensional array.

   PHP: array_udiff_assoc - Manual

   www.php.net/manual/en/function.array-udiff-assoc.php

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   What does array_diff_uassoc do?

   • So values such as 0.99 and 0.1 will both be cast to an integer value of 0, which will compare such values as equal. Returns an array containing all the entries from array that are not present in any of the other arrays. Example #1 array_diff_uassoc () example

   PHP: array_diff_uassoc - Manual

   www.php.net/manual/en/function.array-diff-uassoc.php

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   How do I compare arrays to compare against?

   • The array to compare from Arrays to compare against The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.

   PHP: array_diff_uassoc - Manual

   www.php.net/manual/en/function.array-diff-uassoc.php

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8. www.php.net › manual › enPHP: array_udiff_assoc - Manual

   www.php.net › manual › en

   array_diff_uassoc () - Computes the difference of arrays with additional index check which is performed by a user supplied callback function array_udiff () - Computes the difference of arrays by using a callback function for data comparison