Here are a few things you can try to prevent PHPStorm from encountering header already sent errors when running unit tests:
Use output buffering: PHP provides an output buffering mechanism that allows you to capture all output generated by your script and manipulate it before it is sent to the browser. You can use this to prevent header already sent errors. In PHPStorm, you can enable output buffering by going to Run > Edit Configurations > PHP and adding the following in the "Interpreter options" section:
-d output_buffering=on
Use the obendclean() function: If you're using output buffering and still encountering header already sent errors, you can try using the obendclean() function. This function clears the output buffer and prevents any output from being sent to the browser. You can add this function at the beginning of your unit test scripts.
Check for white space before the opening PHP tag: Header already sent errors can occur if there is white space before the opening PHP tag. Make sure that there is no white space before the "
Check for any output generated before the header: Header already sent errors can also occur if there is any output generated before the header is sent. Make sure that there is no output generated before the header in your unit test scripts.
Use the PHPUnit configuration file: You can create a configuration file for PHPUnit and specify the output buffer size. In your PHPUnit configuration file, add the following:
<php> <ini name="output_buffering" value="4096"/> </php>
This will set the output buffer size to 4096 bytes. You can adjust the value as needed.
These are some of the things you can try to prevent PHPStorm from encountering header already sent errors when running unit tests.
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Asked: 2023-06-19 02:59:17 +0000
Seen: 7 times
Last updated: Jun 19 '23
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