associative-array

问题 This is a follow-up question to another question below; Removing selected elements from array of associative arrays This time, I would like to filter selected elements from an array of associative arrays instead of removing them. I have this array; $result = array( (int) 0 => array( 'name' => 'Luke', 'id_number' => '1111', 'address' => '1544addr', 'time_here' => '2014-04-12 13:07:08' ), (int) 1 => array( 'name' => 'Sam', 'id_number' => '2222', 'address' => '1584addr', 'time_here' => '2014-04

问题 The problem is that I have latin1 charset in db. The default output is utf-8 in php. even when i am using php iconv, it returns null as the new string is supposedly already utf-8. Converting DB would need downtime. I cant use json_encode because the string is malformed utf-8 containing �. I need an alternative to temporarily fix the issue without having to migrate the db. I need to transfer the associative array back to JS. I am using Ajax for getting the data. 回答1: You could convert the

问题 I have a bash script which uses jq to look up 'dependency' data in some JSON, and take the closure (find dependencies of dependencies of dependencies, etc.). This works fine, but can be very slow, since it may look up the same dependencies over and over, so I'd like to memoise it. I tried using a global associative array to associate arguments with results, but the array doesn't seem to be storing anything. I've extracted the relevant code into the following demo: #!/usr/bin/env bash #

问题 I am trying to return an associative array to java but facing exceptions. I am using a proprietary persistence layer so I won't be able to post my code but while searching on google I found something which is exactly similar to what I have: =========================== create or replace PACKAGE testLookAside as type AssocArry IS TABLE OF varchar(30) INDEX BY VARCHAR(30); function lookupMasterData return AssocArry; end testLookAside; / create or replace PACKAGE BODY testLookAside as function

问题 Array ( [Sum_1] => Array ( [0] => Array ( [e] => 1000001 [u] => Test1 [a] => 775.00 ) [1] => Array ( [e] => 26 [u] => Test2 [a] => 555.00 ) ) [Sum_2] => Array ( [0] => Array ( [e] => 1000001 [u] => Test1 [a] => 110.00 ) ) [Sum_3] => Array ( [0] => Array ( [e] => 1000001 [u] => Test1 [a] => 444.00 ) ) ) I want to convert above array to something like below. Do I need to use a foreach or can array_sum do this? Array ( [Sum_1] => 1330.00 [Sum_2] => 110.00 [Sum_3] => 444.00 ) (I want to get the

问题 It's been two days and I have not found any solution for this on Google, so please help. I have to SELECT * from one row with multiple WHERE clauses, using a prepared statements, I want to retrieve the results using fetch_assoc so that I don't have to bind variables using bind_result() , using fetch_assoc I can print many columns as $row['column_name'] . My code is below and it's not running, giving no error. $query = 'SELECT * FROM `table_name` WHERE `uid` = ? AND `email` = ?'; if ($stmt

问题 I am trying to combine two arrays. An associative one and a numeric array. $new_array = array_combine($array1, $array2) . But it is taking the values from array one and setting them as the keys for the new array, which is what is meant meant to do. But I need to use the keys of $array1 to be the keys of $new_array and the values of the $array2 to be the values of the $new_array. I also looked into merging the values of $array2 to $array1 but it does not work properly as the arrays don't share

问题 I have got a couple of functions that manipulate data in an array, for example unset_data() you pass it the value and an unlimited amount of string args like: unset_data( $my_array, "firstname", "password" ); and it can handle multi-dimentional arrays etc, quite simple. But should this function use a reference to the array and change it directly? Or should i return the new array with the values unset. I can never decide whether a function should use reference or not, Is there like, specific

问题 Using associative arrays implented via the POSIX hcreate / hsearch functions (as described here, I struggled some unexpected behaviour finding keys I've never entered or the other way around. I tracked it down to some instance of store-by-reference-instead-of-value. This was surprising to me, since in the example uses string literals as keys: store("red", 0xff0000); store("orange", 0x123456); /* Insert wrong value! */ store("green", 0x008000); store("blue", 0x0000ff); store("white", 0xffffff)

问题 I have an associative array, which keys I want to use in numbers. What I mean: The array is kinda like this: $countries = array "AD" => array("AND", "Andorra"), "BG" => array("BGR", "Bulgaria") ); Obviously AD is 0 and BG is 1, but when I print $countries[1] it doesn't display even "Array" . When I print $countries[1][0] it also doesn't display anything. I have the number of the key, but I shouldn't use the associative key. 回答1: Perfect use case for array_values: $countries = array_values(