How-to articles, tricks, and solutions about PHP

In PHP, you can use a foreach loop to iterate through an array and print each value.

In PHP, you can use the "usort" function to sort an array by a specific value of a subarray.

In PHP, you can use the simplexml_load_string function to check if a string is a valid XML without displaying a warning.

To add query string parameters to a GET request using Guzzle, you can use the query option when creating the request.

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

You can use the strtotime function in PHP to add a specified number of seconds to a given time.

There are several reasons why the setcookie() function may not be working.

The error "Undefined index: (name of the file input)" in PHP usually occurs when the form that is used to upload the file is not properly configured.

This error message is indicating that the PHP extension for PDO MySQL is not installed or not enabled on your system.

In Laravel 5, you can specify a composite key on a model by defining a protected $primaryKey property on the model and setting it to an array of the column names that make up the primary key.

In PHP, you can use the function uniqid() to generate a short unique ID.

This error message is typically associated with the TCPDF library, which is a PHP class for generating PDF files.

In the Laravel framework, the "public" folder is the web server's document root and it's where assets such as CSS, JavaScript, and images should be stored.

This error message is typically caused by a problem with the file path specified in the "require" or "include" statement.

The Repository pattern in PHP is a design pattern that allows for the separation of the business logic of an application from the storage and retrieval of data.

In PHP, you can include a constant in a string without concatenating it by using double quotes (") instead of single quotes (') to define the string.

Yes, Doctrine 2 provides a built-in way to get the changed fields in an entity.

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

There are multiple ways to get the count of months between two dates in PHP, but one elegant way is to use the DateTime class and the diff() method.

To get PHP working on Mac OS X, you can follow these steps:

The '[2002] Connection refused' error in Docker when trying to connect to a MySQL container typically indicates that the MySQL server is not running or is not accessible on the network.

JSON_ENCODE is a function that converts a PHP data structure, such as an array, into a JSON (JavaScript Object Notation) string.

There could be several reasons why you are unable to write image data to a path in Laravel using the Intervention library.

To form a proper URL with a query string and an anchor hashtag in PHP, you can use the http_build_query() function to create the query string and concatenate it to the base URL using the ?

In PHP, the name of the caller function can be obtained using the debug_backtrace() function.