不会返回$array1中不存在的值。如果你想递归地得到数组之间的差异，试试这个函数：输出：数组差异？http...
**注意：**此答案将返回$array2中不存在的值，不会返回$array1中不存在的值。如果你想递归地得到数...
PHP array_diff_uassoc() function computes the difference of an array against other arrays. The logic for comparison is done using user defined callback function. In this tutorial, we will learn the syntax of array_diff_uassoc(), and how to use this function to find the difference of an a...
Finding the Union, Intersection, or Difference of Two Arrays (PHP Cookbook)David SklarAdam Trachtenberg
Instances of two different classes o1 == o2 : FALSE o1 != o2 : TRUE o1 === o2 : FALSE o1 !== o2 : TRUE 注意: PHP 扩展中可以自行定义对象比较(==)的原则。 发现了问题? ¶ 18 years ago Note that when comparing object attributes, the comparison is recursive (at least, it is with...
但HTTP客户端将能够使用有效的URL(来自getUri()),来确定协议,主机名和TCP端口。 HTTP客户端必须忽略的值Uri::getPath()和Uri::getQuery(),而是使用由返回的值getRequestTarget(),默认为串联这两个值。 选择不实现4个请求目标表单中的一个或多个的客户端必须仍然使用getRequestTarget()。这些客户端必须拒绝他们...
// return the unique difference between value of 2 array $diff = array(); // get differences that in ary_1 but not in ary_2 foreach ( $ary_1 as $v1 ) { $flag = 0; foreach ( $ary_2 as $v2 ) { $flag |= ( $v1 == $v2 ); if ( $flag ) break; } if ( !$flag...
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...
bitOp - Perform bitwise operations between strings decr, decrBy - Decrement the value of a key get - Get the value of a key getEx - Get the value of a key and set its expiration getBit - Returns the bit value at offset in the string value stored at key getRange - Get a substring...
I wished to point out that while other comments state that the spread operator should be faster than array_merge, I have actually found the opposite to be true for normal arrays. This is the case in both PHP 7.4 as well as PHP 8.0. The difference should be negligible for most application...