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blackfire:tldr:990ce
The command "blackfire run ${php filename-php}" is used to profile and analyze the performance of a PHP script using Blackfire.
Blackfire is a performance profiling tool for PHP applications, which allows you to identify performance bottlenecks and optimize your code. It helps in analyzing various aspects of the application, such as CPU usage, memory consumption, SQL queries, HTTP calls, and more.
In the given command, the placeholder "${php filename-php}" should be replaced with the path and name of the PHP script that you want to profile.
When you execute this command, Blackfire will start profiling the PHP script specified in the command. It will run the script and gather information about its performance. Once the script execution is completed, Blackfire will generate a detailed profile report that provides insights into the application's performance characteristics.
By analyzing the Blackfire profile report, you can identify areas of improvement in your code, such as slow function calls, excessive database queries, high memory usage, etc. This helps you optimize the application to achieve better performance.