Laravel version: 5.7 I have one class Sessions. where I have used appends for the attribute. My query: Here I have selected fields that I need but it gives me the following error. So here appends are giving error because I have not selected start_time. How to solve this issue? Answer Here I got a solution. I make it optional
Tag: collections
Group by one column and sum another column in a Laravel collection
I’m faily new to PHP & Laravel, and i’ve been given this task: I have a collection that looks like the one below: and i have to filter each element based on the cardId parameter, add (+) the cardQuantity parameter, and then return new, distinct arrays that look like this: How does one can achieve such a thing? Answer You
Flatten laravel relationship collection / array
I am having problem with array convert I went use laravel collection using map Or php array Array ( [0] => Array ( [id] => 3487 [title_fa] => Father [code] => 01 [father_id] => 0 [webmaster_id] => 8 [grandchildren] => Array ( [id] => 3488 [title_fa] => Child 1 [code] => 02 [father_id] => 3487 [grandchildren] => ) ) [1]
Laravel – convert array into eloquent collection
I need to use data from an API. I create a function: and dd($vouchers) return me: Now when I try to use $vouchers array with blade engine like: I got error: How I can convert array into eloquent collection. I use the latest Laravel 5.7 version Answer Actually your $vouchers is an array of arrays, So you may want to
Doctrine – Hydrate collection in Entity class
I have a problem regarding a bi-directional OneToMany <-> ManyToOne relationship between my entities Device and Event. This is how mapping looks: The problem comes because Device is a Single Table Inheritance entity and each time I fetch and iterate over some Event entities, then $device is always eagerly fetched. This happens because it’s a STI entity as reported in
How do I sort a Laravel Collection by multiple properties with both asc and desc?
If I have an IlluminateSupportCollection, how do I sort by multiple properties with both asc and desc? (This is a simple hypothetical – not at all looking for tips on query building.) Answer Whoever uses this, just keep in mind – you’ll need to tweak it depending if your using collection of objects or associative arrays. Should be an easy
Elegant way to search an PHP array using a user-defined function
Basically, I want to be able to get the functionality of C++’s find_if(), Smalltalk’s detect: etc.: But I don’t know of any PHP function which does this. One “approximation” I came up with: The downside of this is that the code’s purpose is not immediately clear. Also, it won’t stop iterating over the array even if the element was found,