Append to next line in text file using php [duplicate]

问题

This question already has answers here:

Writing a new line to file in PHP (line feed) (4 answers)

Closed 4 years ago.

I have a php script which passes a value to a .txt file, there is no problem and it works, the only thing is I would like to append the value to the next line instead of just append the value right after another value so instead of "valuevalue" I would like:

value

value

My script:

$filename4 = "EmailsFromSignUp.txt";
$content = file_get_contents($filename4);
$content .= $emailFPay;
file_put_contents($filename4, $content);

回答1:

Try

$content .= PHP_EOL . $emailFPay;

回答2:

$f = fopen("EmailsFromSignUp.txt", "a+");
fputs($f, "\n" . $emailFPay);
fclose($f);

回答3:

$filename4 = "EmailsFromSignUp.txt";
$content = file_get_contents($filename4);
$content .= "\r\n" . $emailFPay;
file_put_contents($filename4, $content);

来源：https://stackoverflow.com/questions/29780379/append-to-next-line-in-text-file-using-php