Skip to content
  • Homepage
  • HTML
  • CSS
  • Symfony
  • PHP
  • How to
  • Contact
  • Donate

Teach Developer

Articles, Guides & Tips

PHP 8: Constructor property promotion

Posted on September 19, 2022September 19, 2022

I’m very happy with the constructor property promotion RFC, it’s passed and will be added in PHP 8. You see, this feature reduces a lot of boilerplate code when constructing simple objects such as VOs and DTOs. In short: property promotion allows you to combine class fields, constructor definition, and variable assignments all into one syntax,…

Read More “PHP 8: Constructor property promotion” »

PHP

How to Symfony parameters and environment variables use

Posted on September 11, 2022September 17, 2022

Parameter The Symfony parameter is a variable stored in the service container. Use parameters when you want to separate out values that regularly change as well as for reusable purposes.We should prefix with ‘app’ to prevent conflicting with parameters from Symfony and 3rd party bundle, the following example is a parameter for sender email: #…

Read More “How to Symfony parameters and environment variables use” »

How to, Symfony

PHP 8.1: read-only properties

Posted on September 25, 2022September 25, 2022

Writing data transfer objects and value objects in PHP have become significantly easier over the years. Take for example a look at a DTO in PHP 5.6: And compare it to its PHP 8.0’s equivalent: That’s already quite the difference, though I think there’s still one big issue: all those getters. Personally, I don’t use them…

Read More “PHP 8.1: read-only properties” »

Top Tutorials

How to Search Recently Modified Files in Linux

Posted on September 3, 2022September 17, 2022

This post will help you to find recently modified files in Linux via the command line. The find command works with, defining duration in Minutes or Days. The minutes are defined with -mmin and the day’s value can be defined with -mtime You can also define the search criteria to find files modified within or before the specified…

Read More “How to Search Recently Modified Files in Linux” »

How to, Linux

How to change the link color of the current page with CSS?

Posted on August 21, 2022August 21, 2022 No Comments on How to change the link color of the current page with CSS?

Sometimes, we want to change the link color of the current page with CSS. In this article, we’ll look at how to change the link color of the current page with CSS. To change the link color of the current page with CSS, we set the color  background-color properties. For instance, we write to set the text color…

Read More “How to change the link color of the current page with CSS?” »

CSS, How to

TOP 10 MOST POPULAR PROGRAMMING LANGUAGES IN 2022

Posted on October 1, 2022October 1, 2022

Most Popular Programming Languages Javascript Python Java C/C++ C# PHP GO Kotlin Scala R 1. JavaScript According to the stats, there are almost 1.8 billion websites in the world. And about 95% of them run with the help of Javascript. A Bit of Javascript History Javascript originated in the labs of Netscape as part of…

Read More “TOP 10 MOST POPULAR PROGRAMMING LANGUAGES IN 2022” »

Top Tutorials

How to Define Global Variables for Twig Templates in Symfony 6

Posted on May 21, 2023May 21, 2023

Sometimes we may need to inject the same variable in all the Twig templates. It can be done on each controller by passing a variable to template. However, it is not a good solution. This tutorial shows how to define global variables for Twig templates in Symfony 6 application. Global variables for Twig templates can…

Read More “How to Define Global Variables for Twig Templates in Symfony 6” »

Symfony

How to Convert PHP CSV to JSON

Posted on June 10, 2023June 10, 2023

JSON format is a widely used format when dealing with API development. Most of the existing API responses are in JSON format. Converting CSV content to JSON format in PHP is easy. In this article, we will look at various methods of achieving this conversion. The above quick example in PHP converts the CSV file…

Read More “How to Convert PHP CSV to JSON” »

PHP, Top Tutorials

10 Programming Habits that every Developer Should Adopt

Posted on March 20, 2022July 20, 2022 3 Comments on 10 Programming Habits that every Developer Should Adopt

Write Human-Friendly Code Always remember that you are not writing code for machines but for others too. So it is essential to come up with a readable code. It is true that programming is like writing a good poem. The tone should be very consistent, the words should be descriptive & sentence well-structured. Here are…

Read More “10 Programming Habits that every Developer Should Adopt” »

Others, Tips

How to trigger a button click from another button click event with JavaScript?

Posted on August 21, 2022August 21, 2022 No Comments on How to trigger a button click from another button click event with JavaScript?

Sometimes, we want to trigger a button click from another button click event with JavaScript. In this article, we’ll look at how to trigger a button click from another button click event with JavaScript. To trigger a button click from another button click event with JavaScript, we call the element click method. For instance, we write to…

Read More “How to trigger a button click from another button click event with JavaScript?” »

How to, JavaScript

How to Display Breadcrumb without Plugin in WordPress

Posted on September 3, 2022September 17, 2022

Breadcrumbs are navigation links, used to display links to all pages beyond the homepage. By default, it is placed at the top of the page and helps in back navigation. In WordPress, breadcrumbs play an important role on the posting page. There are many WordPress plugins available to add breadcrumbs to your site. But we…

Read More “How to Display Breadcrumb without Plugin in WordPress” »

How to, Wordpress

How to increase browser zoom level on page load with CSS?

Posted on August 17, 2022August 17, 2022 No Comments on How to increase browser zoom level on page load with CSS?

Sometimes, we want to increase the browser zoom level on page load with CSS. In this article, we’ll look at how to increase browser zoom level on page load with CSS. To increase browser zoom level on page load with CSS, we set the zoom property. For instance, we write to set zoom to 2 on the zoom class. Then the…

Read More “How to increase browser zoom level on page load with CSS?” »

CSS, How to, Tips

How to change background Opacity when the bootstrap modal is open with CSS?

Posted on August 21, 2022August 21, 2022 No Comments on How to change background Opacity when the bootstrap modal is open with CSS?

Sometimes, we want to change background opacity when the Bootstrap modal is open with CSS. This article will look at how to change background opacity when the Bootstrap modal is open with CSS. To change background Opacity when Bootstrap modal is open with CSS, we set the opacity style in the modal-backdrop class. For instance, we write to set…

Read More “How to change background Opacity when the bootstrap modal is open with CSS?” »

CSS, How to

Important most things you should know about JSX

Posted on July 31, 2022July 31, 2022 No Comments on Important most things you should know about JSX

What JSX is JSX is a syntax extension for JavaScript. Basically, it extends JavaScript so that constructs like HTML/XML can be used with JavaScript. It allows developers to use HTML syntax to compose JavaScript components. This makes it possible to have a clear and familiar syntax for defining DOM tree structures with attributes. Although it…

Read More “Important most things you should know about JSX” »

JavaScript, React

ES6 classes

Posted on July 28, 2022July 28, 2022 No Comments on ES6 classes

Prior to ES6, classes have been in use in Javascript. ES6 just comes with a clean, nice-looking syntax for defining classes. It’s good to note that JavaScript’s class is just a more convenient way of creating constructor functions, which are very different from traditional classes. In this article, we will focus on: How to define…

Read More “ES6 classes” »

JavaScript, Jquery, Node js, React, Tips

How to style an HTML radio button to look like a checkbox with CSS?

Posted on August 20, 2022August 20, 2022 No Comments on How to style an HTML radio button to look like a checkbox with CSS?

Sometimes, we want to style an HTML radio button to look like a checkbox with CSS. In this article, we’ll see how to style an HTML radio button to look like a checkbox with CSS. To style an HTML radio button to look like a checkbox with CSS, we use the appearance property. For instance, we write…

Read More “How to style an HTML radio button to look like a checkbox with CSS?” »

CSS, How to

How to Reverse A String with JavaScript

Posted on July 29, 2022July 29, 2022 No Comments on How to Reverse A String with JavaScript

The inverse string problem is a general algorithm problem. In this article, we will consider four JavaScript solutions for that. Reversing a string is, well, reversing a string. Okay, here’s the problem statement: Write a function that reverses a string. If you pass “Teach” to the function, it should return “hcaeT” and “listen” should become…

Read More “How to Reverse A String with JavaScript” »

JavaScript, How to, Jquery, Tips

Here are 10 platforms where you can find your next remote job as a developer.

Posted on August 21, 2022September 18, 2022

1. remotive. io 2. flexjobs. com 3. producthunt 4. remoteok. com 5. justremote. co 6. weworkremotely. com 7. dailyremote. com 8. hired. com 9. remote. co 10. remoteleaf. com

How to, Tips

How to PHP Get Max Value From Array

Posted on September 18, 2022September 18, 2022

PHP gets the max/maximum/largest value from the array. This tutorial has the purpose to explain to you several easy ways to find or get the maximum or largest value from an array in PHP. Here, we will take e.g. PHP gets the maximum value in an array, get the largest number in the array PHP…

Read More “How to PHP Get Max Value From Array” »

How to, PHP, Tips

Common Mistakes with Conditionals

Posted on March 14, 2022July 14, 2022 3 Comments on Common Mistakes with Conditionals

This article will go over some mistakes that are easy to make when writing more complex programs with conditional. Mistake 1: Not treating expressions as distinct:Let’s say we want to print something if your variable $num is equal to 1 or 2 or 3. Why doesn’t the following code work? $num = 5; if ($num === 1 || 2 || 3) {…

Read More “Common Mistakes with Conditionals” »

PHP

Categories

  • Codeigniter (3)
  • CSS (11)
  • eCommerce (1)
  • Framework (1)
  • Git (3)
  • How to (43)
  • HTML (5)
  • JavaScript (15)
  • Jquery (7)
  • Laravel (1)
  • Linux (4)
  • Magento-2 (1)
  • Node js (4)
  • Others (2)
  • PHP (11)
  • React (13)
  • Server (1)
  • SSH (3)
  • Symfony (6)
  • Tips (16)
  • Top Tutorials (10)
  • Ubuntu (3)
  • Vue (1)
  • Wordpress (7)

Latest Posts

  • What is SSH in Linux?
  • How to Delete Files in Ubuntu Command Line
  • How to Deploy a React application on a cPanel
  • How to use events listeners and Event Subscriber in Symfony
  • How to Convert PHP CSV to JSON

WEEKLY TAGS

AJAX (1) Codeigniter (1) Javascript (11) JQuery (1) PHP (16) Programming (1) React (3) Symfony (1)

Random Post

How to Object Destructuring in ES6
How to Enable Debug Mode in Laravel
How to split a string into an array with Twig
Git basics: The simple commands to begin with
How To Install Nginx, PHP on Ubuntu 22.04

Quick Navigation

  • About
  • Contact
  • Privacy Policy

© Teach Developer 2021. All rights reserved