php array intersect key

The 5 functions that get the intersection have 5 corresponding functions to get the difference set. I am the link. Array_intersect ($arr 1, $arr 2);//Gets the intersection of the array array_intersect_key ($arr 1, $arr 2);//Gets the intersection of

Common PHP array methods. Read the array $ arrarray (xx cross, yy); echo reads the first one :. $ arr [xx]; number of arrays $ arrayarray (aaa, bbb, ccc, ddd); number of echo arrays :. count ($ array ). n; calculate the array single // read the

Array Value operations 1 value extraction PHP, use list to extract the value in the array, such as list ($ a, $ B) $ array, if the value in the list is more than the number of arrays, the redundant values in the list are set to NULL, Array Value

This article to introduce a simple example of PHP introduction, here is mainly about the PHP array value operation and function and array traversal and array sorting examples, you can enter the reference. Operation of Array values 1. Extraction of

Reading an array $arr =array ("xx" = "fork", "yy" = "crooked"); echo "reads the first:". $arr [Number of xx];//statistics array $array =array (AAA,BBB,CCC,DDD); echo "Number of arrays:". Count ($array). " n "; Computes the number of array cells or

This article will introduce you to a simple php entry-level instance. It mainly describes the operations and functions of php array values and the instances of array traversal and array sorting, for more information, see. Array value operations 1.

Array Value operations1. Value extractionIn PHP, use list to extract the values in the array, such as list ($ a, $ B) = $ array. If the number of values in the list is greater than the number of arrays, the excess values in the list are set to NULL.

This article mainly introduces the PHP + Redis basic operation, has a certain reference value, now share to everyone, the need for friends can refer to String type operation The string is the most basic type of Redis, and the string type is binary

$listData = [ '111' => ['a', 'b', 'c', 'a'], '222' => ['d', 'e', 'f', 'f', 'b'], '333' => ['g', 'h'], '444' => ['i', 'j'], ...]; Define a function to pass in $listdataIf 111 the elements inside, and 222/333/444 ... inside the

{Code ...} define a function and input $ listData if the elements in 111, and 222333444... if the elements in 222 are repeated, false is returned... if the elements in 333 are repeated, false is returned... $listData = [ '111' => ['a', 'b', 'c', '