PHP换行符(\ n)不起作用 [英] PHP Linefeeds (\n) Not Working

问题描述

由于某些原因，在使用PHP输出到文件时，无法使用\n创建换行符.它只是将"\n"写入文件.我也尝试过使用"\\n"，它只写"\ n"(符合预期).但是我一生都无法弄清楚为什么在字符串中添加\ n不会创建新行.我也尝试过\r\n，但是它只是将"\r\n"附加到文件中的行上.

For some reason I can't use \n to create a linefeed when outputting to a file with PHP. It just writes "\n" to the file. I've tried using "\\n" as well, where it just writes "\n" (as expected). But I can't for the life of me figure out why adding \n to my strings isn't creating new lines. I've also tried \r\n but it just appends "\r\n" to the line in the file.

示例:

error_log('test\n', 3, 'error.log');
error_log('test2\n', 3, 'error.log');

输出:

test\ntest2\n

在重要的情况下在OSX上使用MAMP(也许是某种PHP配置的事情?).

Using MAMP on OSX in case that matters (some sort of PHP config thing maybe?).

有什么建议吗?

推荐答案

使用双引号. "test\n"可以正常工作(或者使用'test' . PHP_EOL).

Use double quotes. "test\n" will work just fine (Or, use 'test' . PHP_EOL).

如果字符串用双引号()引起来，PHP将为特殊字符解释更多的转义序列:

If the string is enclosed in double-quotes ("), PHP will interpret more escape sequences for special characters:

http://php.net/manual/en/language.types .string.php

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