How-to articles, tricks, and solutions about PHP

To loop through an array with keys in Twig, you can use the for loop and access the key and value of each element in the array using the loop variable.

In PHP, you can use the ternary operator to perform a shorthand if-then-else statement.

In PHP 7, type hinting can be used to specify the expected data type of a function or method parameter.

This error message is indicating that there is an unexpected use of the keyword "use" in your code when trying to run Composer.

You can use Unicode characters in a PHP string by including the character directly in the string, or by using the \u escape sequence followed by the Unicode code point of the character in hexadecimal.

In PHP, you can use the tempnam() function to generate a unique and temporary file name.

To update PHP to version 7.4 on macOS Catalina using Homebrew, you can use the following steps:

To upgrade PHP in XAMPP for Windows, you will need to follow these steps.

Upgrading PHP on CentOS 6.5 can be a bit tricky, since CentOS 6.5 uses an older version of PHP.

To upload a DOC or PDF file using PHP, you will need to use the move_uploaded_file function.

To upload files using SFTP (Secure File Transfer Protocol) in PHP, you can use the SSH2 extension, which allows you to connect to an SFTP server and perform various operations such as uploading, downloading, and deleting files.

Server Name Indication (SNI) is an extension to the Transport Layer Security (TLS) protocol that allows a client to specify the hostname it is trying to connect to at the start of the handshaking process.

You can use the alias command in your terminal to create a new command that runs a different version of PHP.

Using $this inside a static function is not allowed in PHP because the $this variable is only available within the context of a non-static method.

UTF-8 is a character encoding that supports a wide range of characters and is often used for handling multilingual text.

This issue is likely caused by a mismatch between the character encoding used by the source of the text (e.g.

UTF-8 is a character encoding that represents each character in a text document as a unique numerical code.

To verify that ImageMagick is installed, you can use the command-line tool "convert".

It sounds like you are trying to access the PHPMyAdmin interface on your WAMP server and are receiving a "Forbidden" error message.

This warning message is indicating that a non-numeric value has been encountered in a place where a number is expected.

This error message is indicating that there is an issue with an entity reference in the HTML code being parsed by the DOMDocument class.

This error message is indicating that there is a problem connecting to the MySQL server.

You can use the range() function to get all alphabetic characters in an array in PHP.

Long-polling, WebSockets, Server-Sent Events (SSE), and Comet are all techniques used to enable real-time communication between a client (usually a web browser) and a server.

php artisan dump-autoload is a command that is part of the Artisan command-line interface included with Laravel.