Learning Path: Array of Objects

15+ Array of Objects PHP Code Examples | Easy 2023 Tutorial

How to work with an array of objects in PHP code Can you have arrays of objects in PHP Yes, you can definitely create, store, filter, merge and work with an array of objects in PHP. You can decode JSON objects as arrays as well as create array collections of PHP arrays. PHP offers many solutions to work with an array of objects. This article will break down 2 common scenarios when working with arrays of objects in PHP. Visitors come to us many times to ask questions about working with PHP classes and objects as well as JSON objects. Both situations are common but do have unique requirements. Let's first get into PHP classes and objects. Then we will follow it up with Working with PHP Classes and Objects PHP was originally designed as a purely procedural language. Starting in PHP 4 and greatly extending into PHP 5, it…

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Create PHP Array of Objects: 5 Code Examples in 2023

How to Create an Array of Objects in PHP There are 2 steps to creating arrays of objects in PHP. You will want first to initialize an empty array. Once complete, you should pass that reference to any object creation function. Create your object and attach it as a new reference to your PHP array. Creating Array of Objects PHP Code Example //Initialize an array. $employees = array(); //Add objects $employees[0] = new Employee("Steve Hans", "111-222-333", "60,000"); $employees[1] = new Employee("Raymond Rize", "112-212-313", "80,000"); $employees[2] = new Employee("Sams Brian", "122-213-713", "70,000"); PHP is both a procedural & object-oriented programming language, and this article overviews the basics. Stay with us till the end to learn more. Relevant Content: Classes & Objects Array of Objects in PHP | Create, Sort, Filter, Merge, Search, Etc How to Sort Array of Objects by Property in PHP How to shuffle an array of objects in…

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How to Sort Array of Objects by Property in PHP

sort array of objects by property in PHP
Sort Array of Objects by Property in PHP The article answers how to sort array of objects by property in PHP. Here's a quick overview of the solution. $employees_arr = [ new Employee('5', 'Brian', 90000, '25'), new Employee('1', 'Allen', 60000, '29'), new Employee('2', 'Kylie', 50000, '27'), new Employee('3', 'Jeane', 80000, '35'), new Employee('4', 'Franklin', 75000, '30'), ]; //Sorts the array by the property salary usort($employees_arr, function($a, $b) { return $a->salary - $b->salary; }); If the code doesn't make sense to you now, don't worry! Just stick with the article to the end, and you'll be able to understand all about the code above and perhaps a couple of other interesting PHP stuff! Plus, the article now includes sorting based on two or more properties. Check that out as well. Relevant Content: PHP usort Function The article uses the usort function to sort array of objects by property value in PHP.…

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How to shuffle an array of objects in PHP

shuffle array in PHP
Shuffle array in PHP PHP shuffle function shuffle array in PHP. The article uses this function to build a minimalistic console-based game, “The Quiz Game”. Introduction PHP arrays are flexible in terms of the elements datatypes. Arrays can have mixed types, including objects. The element’s index denotes its position in an array, where the leftmost element has an index of zero. One cool thing is random shuffling in an array. Randomized shuffling is super important if you’re trying to develop a game of chance, for instance, Poker. This article includes an array of objects. These objects are instances of a class Quiz. The class represents a typical quiz question with multiple answers. This article demonstrates how to shuffle array in PHP and builds a console-based program that displays random quiz questions. So let’s start without further ado. The Quiz Class Here’s the “Quiz” class. The array will hold the instances…

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Filter Array of Objects by Value: 5 PHP Code Examples in 2023

filter array of objects by value in PHP
How to Filter PHP arrays Before we get to the more complicated scenario of filtering arrays of objects by value, let's show how to do a PHP array filter in general. This is pretty simple to do using the array_filter function. You pass in the original array as the first parameter and then a function as the second parameter. The array_filter function uses the passed function on each element in the array to determine whether it should get returned. Anything returned truthy (not null or false) will get pushed into the new filtered array. Check out the example below to quickly filter an array in PHP by value. PHP array_filter Code Example // Let's setup a scenario where we need to filter an array by values with cows. $sampleArray = [0 => "horse", 1 => "cow", 2 => "pig", 3 => "cow"]; $filteredArray = array_filter( $sampleArray, function($val){ return $val ===…

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Filter Array of Objects by Key: 5 PHP Code Examples (2023)

filter array of objects by key in PHP
Filter Array of Objects PHP Code Example The following code snippet is a quick way to filter array of objects by key using the array_filter function. We recommend using the method for most array filtering use cases. Feel free to use this snippet and then follow along for more explanation. <?php // Dummy data just to populate function. // I'm creating a json string as its an efficient way to create an array of objects. // You can ignore this part and replace $objectsArray with your array. $content = '[{"type": "cat", "name": "charles"}, {"type": "dog", "name": "sam"}}, {"type": "donkey": "name": "frank"}]'; $objectsArray = json_decode($content); //Array_filter to filter objects with cat as type // This is where the work is done. $filtered_arr = array_filter( $objectsArray, function($key){ return $key === 0; }, ARRAY_FILTER_USE_KEY); //Gets the filtered array. print_r($filtered_arr); /* OUTPUT Array ( [0] => stdClass ( [name] => charles [type] => cat…

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