How-to articles, tricks, and solutions about PHP

To get a single value from a MySQL query in Laravel, you can use the value method on a query builder instance.

You can use the latest method on a query builder instance to get the last N entries from the database.

In Laravel, you can redirect from a controller to a named route with URL parameters using the redirect() helper function.

You can use the "array_slice" function in PHP to limit an array to a specific number of items.

To list all files in a directory using PHP, you can use the glob() function.

Here is a list of all the locales and their corresponding short codes that are available in PHP.

In Apache, the location for session files is determined by the session.save_path configuration directive in your php.ini file.

This error message indicates that the client was unable to connect to the MySQL server.

To make the output of var_dump() more readable, you can use the following approaches:

Here is an example of how a MassAssignmentException might be triggered in Laravel:

In PHP, the maximum size of the parameters in a GET request is determined by the server's configuration.

To calculate the distance between two coordinates in PHP, you can use the Haversine formula, which is a formula used to calculate the distance between two points on a sphere based on their longitudes and latitudes.

There are several ways to merge PDF files using PHP.

To merge cells in Excel using PHPExcel, you can use the mergeCells() method.

This error message is indicating that you are trying to access an array offset (i.e., an element of an array) but the value being accessed is null.

In PHP, you can use the built-in function array_filter() to filter the array by a specific property's value.

In WordPress, the length of the excerpt (the summary text displayed on the homepage or archive pages) can be controlled by the theme or by a plugin.

In PHP, multiple inheritance is not supported in the traditional sense, where a class can inherit from multiple classes.

You can use the IN operator to select rows where the value is in an array.

To check if a given username and password match those stored in a MySQL database, you can use a SQL SELECT statement with a WHERE clause.

There could be a number of reasons why your MySQL database isn't starting in XAMPP on macOS.

The Haversine formula is a mathematical formula that can be used to calculate the great-circle distance between two points on a sphere, such as the Earth.

If your MySQL password has expired and you can't connect, you will need to reset the password.

To get the column names of a table in MySQL, you can use the SHOW COLUMNS FROM command.

The "MySQL server has gone away" error message typically indicates that the connection to the MySQL server was lost.