array_column | Provides functionality for array_column to projects
kandi X-RAY | array_column Summary
kandi X-RAY | array_column Summary
This simple library provides functionality for array_column() to versions of PHP earlier than 5.5. It mimics the functionality of the built-in function in every way.
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Trending Discussions on array_column
QUESTION
So I am trying to display duplicate results based on two fields, they have to both match. I have an Expense model and I want to grab only the results where the date AND amount are the same, and return those results. For example, what I have so far:
ANSWER
Answered 2022-Apr-17 at 11:00Although it's not using whereIn, as you stated in the question, you also have the possibility to group the rows by two columns.
So, you can tell Eloquent to select the two columns you're interested in and also a count aggregate, then group by those two columns and ask for only the ones having count greater than 1.
QUESTION
Working on a tool to make runway recommendations for flight simulation enthusiasts based off of the real world winds at a given airport. The ultimate goal is to compare, and return a list of available runways in a list, with the smallest wind variance displaying at the top of the list.
I would say that I probably have 95% of what I need, but where it gets slippery is for wind headings that approach 0 degrees (360 on a compass rose).
If runway heading is 029 and wind heading is 360, it is only a difference of 29 degrees, but the formula that I have written displays a difference of 331 degrees.
I have tried experimenting with abs() as part of the comparison but have gotten nowhere. I will link my current results here: https://extendsclass.com/php-bin/7eba5c8
Attempted switching comparisons for wind heading and runway heading (subtracting one from the other, and then the other way around) with the same result.
I am sure that the key lies in some little three line nonsense that I just cannot get the knack of (disadvantage of being a self-taught cowboy coder, I guess).
I saw a post about how to do it in C# from about 11 years ago but I never messed around with that particular deep, dark corner of the programming world.
The code is included below:
...ANSWER
Answered 2022-Mar-28 at 18:40When you subtract two angles in a circle, you can either go the "short way" or the "long way" - it's a circle... So you have to calculate both ways and then find out, which one is shorter - and the direction too, because you have a fixed start angle and a fixed target angle:
QUESTION
I'm trying to validate huge amount of data using Laravel LazyCollection, I test the code with 15 thousands rows each contains 9 columns to be validated.
The scenario is user upload the excel file, then convert it to array, after that the validation of data begins
The Controller :
...ANSWER
Answered 2022-Jan-27 at 17:25Since you have already loaded the entire contents of the spreadsheet into the $validatedFile variable, why make a LazyCollection object? Their only purpose is to save memory by not loading large data sets into memory. Your validation rules using closures can also be cleaned up. This isn't just a cosmetic change: in_array() is notoriously slow.
QUESTION
I have an Array of the form-
$description: array(2)
0: array(2)
0:
name: john
age: 10
1:
name: mary
age: 15
1: array(2)
0:
name: mark
age: 12
1:
name: susan
age: 8
ANSWER
Answered 2022-Jan-10 at 10:54An example by flattening the array and then mapping the array.
QUESTION
I have an array:
...ANSWER
Answered 2021-Dec-05 at 09:55array_column function returns a new array of values representing a single column from the input array and you are passing two arrays created with this function to the array_multisort which applies the changes to the arrays passed as params but you don't have pointers to those 2 arrays that have been sorted. That is to say that the array_multisort function is sorting array_column(...) and (array_column(...) not the $arr. The following can solve your problem:
QUESTION
I have this kind of array , based on Page ID like : 32,143.
I want to search if array key position have both value in it , then ignore prepend and append value and consider ONLY both value.
And if the array has NO both value and multiple prepend and append value, then it will consider based on priority key.
ANSWER
Answered 2021-Nov-29 at 12:32I think the lowest time complexity that I can boil this task down to uses 1 full loop of your input array followed by a loop of the grouped data with a nested loop to isolate the rows with the lowest priority value.
The first loop does the grouping and potentially sheds worthless non-both rows for a trivial memory savings.
The second loop iterates the page groups, then the inner loop favors both rows and only uses non-both rows if there are no both rows. The if and elseif ensure that only the rows with the lowest priority number are retained. I added a rsort() call with the assumption that you want prepend rows before append rows. If the position values don't need to be prioritized, then omit the condition block containing the rsort() call.
Code: (Demo)
QUESTION
I am trying to create a file explorer type treeview JSON to be read by FancyTree for a project I'm attempting.
The files are stored in a database, with an ID, name, URL, Type and code fields. The mock database looks like this:
...ANSWER
Answered 2021-Nov-23 at 06:50Working with loop won't work unless you know per advance the maximum depth of your folder hierarchy.
A better solution is to build the folder path "recursively", and append the file to the final folder.
This can be achieved with by creating a reference with the & operator, and navigate to its children until the whole path is build :
QUESTION
I have this array $post_types with objects:
ANSWER
Answered 2021-Nov-20 at 09:52You should be able to "simply" merge the two arrays:
QUESTION
$userarray = array(
array(
'uid' => '100',
'extraid' => 2,
'name' => 'Sandra Shush',
'pic_square' => 'urlof100'
),
array(
'uid' => '5465',
'extraid' => 2,
'name' => 'Stefanie Mcmohn',
'pic_square' => 'urlof100'
),
array(
'uid' => '40489',
'extraid' => 2,
'name' => 'Michael',
'pic_square' => 'urlof40489'
),
array(
'uid' => '512',
'extraid' => 3,
'name' => 'Hillary',
'pic_square' => 'urlof409'
),
array(
'uid' => '792',
'extraid' => 3,
'name' => 'James',
'pic_square' => 'urlof489'
),
);
$all_category = $this->common->getAll(TABLE_CONF_CATEGORIES, 'year', $year);
foreach($all_category as $cats) {
$key = array_search($cats->id, array_column($userarray , 'extraid'));echo $key;
if($key) {
$userarray[$key]->category_name = $cats->category_name;
}
}
ANSWER
Answered 2021-Nov-17 at 07:03 '100',
'extraid' => 2,
'name' => 'Sandra Shush',
'pic_square' => 'urlof100',
],
[
'uid' => '5465',
'extraid' => 2,
'name' => 'Stefanie Mcmohn',
'pic_square' => 'urlof100',
],
[
'uid' => '40489',
'extraid' => 2,
'name' => 'Michael',
'pic_square' => 'urlof40489',
],
[
'uid' => '512',
'extraid' => 3,
'name' => 'Hillary',
'pic_square' => 'urlof409',
],
[
'uid' => '792',
'extraid' => 3,
'name' => 'James',
'pic_square' => 'urlof489',
],
];
// final output array
$all_category = [];
// list of already set ids
$ids = [];
foreach($userarray as $user) {
if( !isset($ids[$user['extraid']]) ){
$ids[$user['extraid']] = true;
$all_category[]= $user;
}
}
print_r($all_category);
QUESTION
I'm trying to POST data via an AJAX request. Here is the code to do so:
...ANSWER
Answered 2021-Nov-11 at 15:03since you are using "application/json" content type, try this
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