How to delete a line from a file with php?

Question

I have a file called $dir and a string called $line, I know this string is the complete line of the file but I don't know its line number, I want to remove it from the file, what should I do what to do? Can I use awk?

P粉952365143 · Answer

Read lines one by one and write all but the matching lines to another file. Then replace the original file.

P粉107772015 · Answer

$contents = file_get_contents($dir);
$contents = str_replace($line, '', $contents);
file_put_contents($dir, $contents);

Php8, I'm coming too

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