The PHParray_udiff_assocfunction computes the difference of arrays with additional index check. It compares data using a callback function. Basic Definition array_udiff_assoccompares array values with a callback while checking keys. It returns values from array1 not present in any other arrays. S...
The PHP array_udiff function computes the difference of arrays using a callback function for data comparison. It's useful for custom comparisons. Basic DefinitionThe array_udiff function compares array values using a callback. It returns values from the first array not present in other arrays. ...
The PHParray_diff()function is used to get the difference between an array with one or more arrays. This function has the following syntax: array_diff(array$array,array...$arrays):array The function parameters are as follows: The$arrayto compare with the other parameters The$arraysto compare...
The direction of the arguments does actually make a difference: 2 3 <? 4 $a = array( 5 'x' => 'x', 6 'y' => 'y', 7 'z' => 'z', 8 't' => 't', 9 ); 10 11 $b = array( 12 'x' => 'x', 13 'y' => 'y', 14 'z' => 'z', 15 't' => 't', 16 ...
技术标签: PHP函数 php 数组 函数 差集 arrayarray_diff通过比较键值,计算数组的差集 /** * Computes the difference of arrays * @link https://php.net/manual/en/function.array-diff.php * @param array $array1 * The array to compare from * * @param array $array2 * An array to compare...
The following example shows the array_diff() function in action.ExampleRun this code » <?php // Sample arrays $array1 = array("apple", "ball", "cat", "dog", "elephant"); $array2 = array("alligator", "dog", "elephant", "lion", "cat"); // Computing the difference $result ...
In PHP, the array_diff_ukey function is a powerful tool that can help you compare arrays and return the difference between them based on a custom key comparison
you can use this function for return the difference of two array ! <?php function array_unique_diff_key ($array1, $array2) { if (is_array($array1) && is_array($array2)) return array_diff_key($array1, $array2) + array_diff_key($array2, $array1); else if (is_array($arr...
PHP 数组可以同时含有 integer 和string 类型的键名,因为 PHP 实际并不区分索引数组和关联数组。 如果对给出的值没有指定键名,则取当前最大的整数索引值,而新的键名将是该值加一。如果指定的键名已经有了值,则该值会被覆盖。 Example #3 混合 integer 和string 键名 <?php$array = array( "foo" => "bar...
The array_diff of Array for PHP computes the difference of arrays. Syntax array_diff( array $array, array ...$arrays ): array Parameters array The array to compare from arrays Arrays to compare against Return Returns an array containing all the entries from array that are not present in an...