How-to articles, tricks, and solutions about PHP

In PHP, you can use the ++ operator or the += operator to increment letters, just like you would with numbers.

When building a Docker image with PHP and the zip extension, you may see the warning.

In PHP, you can use the output control functions to capture the output of a PHP script into a variable.

In PHP, global variables can be accessed and modified from within functions using the global keyword.

You can check where Apache is looking for the php.ini file by running the command php --ini in the command line.

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

To insert a NULL value into a PostgreSQL database table column using PHP, you can use the NULL keyword in your INSERT query.

To add a print button to a web page using PHP, you can use the following steps:

In Symfony2, you can check if an object is not an instance of a certain class using the "instanceof" keyword in combination with the "!" (not) operator.

To execute a string of PHP code on the command line, you can use the "php" command followed by the "-r" option and the string of code in quotes.

To send an email using PHP, you can use the "mail()" function.

In Laravel, you can use the where method on a query builder or an Eloquent model to filter records based on a date column using less than or greater than operators.

In Laravel 5.3, you can use the Request object's file method to handle multiple file uploads.

The split() function is deprecated, which means it is no longer supported and should not be used in new code.

In PHP, the "CC" field can be included in an email using the "mail" function by adding a "CC" header to the additional headers parameter.

setInterval is a JavaScript function and cannot be used directly in PHP.

In PHP, "++$i" is the pre-increment operator and "$i++" is the post-increment operator.

In Laravel 5, you can change the value of the public_path() function by modifying the 'public' key in the config/filesystems.php configuration file.

In Laravel, you can use the $request object to access parameters from an HTTP request.

There are a few ways to convert a WSDL file to PHP code with Basic Auth.

There are several ways to benchmark the efficiency of a PHP script, including:

To set up a PDO connection, you will need to do the following:

In PHP, you can use the proc_open function to run a process and read its output in real-time.

In Magento, you can get the customer ID of a logged-in customer using the following code:

The error message typically occurs when the PHP script is trying to move an uploaded file from its temporary location to a new destination.