How-to articles, tricks, and solutions about PHP

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In PHP, an enumeration is a value that is set to a fixed set of values.

Error 500 "Premature end of script headers" is a general error message indicating that there is a problem with the server-side script that is preventing it from executing properly.

This error message is indicating that there is a problem with the SQL syntax used in the query.

There are a few things that could cause an error when preparing a multiple insert query in PHP.

The mysqli_stmt::bind_result() method binds variables to a prepared statement for result storage.

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.

It is generally not recommended to execute root commands via PHP, as it can pose a security risk to the system.

In PHP, you can execute multiple SQL queries in one statement by using the mysqli_multi_query() function.

To export a MySQL database using PHP, you can use the mysqldump command-line utility or the mysqli extension.

To get the email of a user through the Facebook Graph API, you will need to follow some steps.

This error message appears when the SDK is being used to make an OAuth request to Facebook, and the "state" parameter in the URL doesn't match the "state" value that was stored in the user's session.

FastCGI is a protocol for interfacing interactive programs with a web server.

This error is usually caused when you are trying to use the square brackets [] to access a character in a string, but this is not supported in PHP.

This is a PHP error message that indicates your script is trying to use more memory than the amount specified in the PHP configuration.

This error message indicates that the PHP script you are running is trying to use the imap_open() function, but it is not defined or not enabled in your PHP configuration.

The "Fatal error: Call to undefined function mysqli_connect()" error in PHP typically occurs when the MySQLi extension is not enabled or properly configured in your PHP environment.

This error message is indicating that the PHP function ldap_connect() is not defined or not available.

This error message indicates that the Laravel framework is unable to find the Application class from the Illuminate\Foundation namespace.

This error message is indicating that the PHP script is trying to use a class called "NumberFormatter" but it cannot be found.

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.

The file_get_contents function in PHP can be used to retrieve the contents of a file from a remote server.

The file_get_contents() function in PHP is used to read the contents of a file into a string.

file_put_contents is a PHP function that writes a string to a file.

In Laravel Blade, you can use the @forelse loop to check if the last iteration of a loop has been reached.