How to delete txt file content in php

How to delete the contents of a txt file in php: first use the fopen function to open the file; then use the fclose method to close the file or directly write an empty string.

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php delete txt file content:

1. You can open the file and then close it, for example:

$fclose($fopen('abc.txt','w'));

2. You can also write an empty string directly, for example:

file_put_contents('abc.txt','');

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