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Question or issue on macOS:
I’m working on some code that uses error_log() for debugging. The problem is that for some reason, all of the line breaks in the output appear as literal n strings, so there’s no actual line break (making it damn near impossible to comprehend complex arrays).
I tried using both var_export and print_r with the error_log function, and both led to the same result: a block of text with n scattered throughout. I even tried doing str_replace n to PHP_EOL with no success. What am I doing wrong?
To clarify: the n strings appear in the Console error log viewer, TextEdit, and the Terminal.
EDIT
Just wanted to note in advance that yes, I’m aware that you need to double-quote n strings for them to appear as line breaks. However, I’m dealing with the output from print_r or var_export (to inspect an array) so this doesn’t really help me (I think?).
How to solve this problem?
Solution no. 1:
Apparently, this issue is independent of your operating system. See this question: PHP error log and newline chars
…you should be able to change the error_log directive in your php.ini on Debian to point to a file. If this is undefined, it will go through syslog which doesn’t support multiple lines.
Solution no. 2:
As an alternative, you can process / replace the ‘n’ via sed, so they display like new lines in the console:
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Linux
Mac OS X
Note: In Mac OS X, the end of a line is CRLF (Carriage Return Line Feed) when in LINUX system it’s only LF (Line Feed)
Note 2: In Mac OS X to output ^M in the Terminal, press Control+V Control+M, to output ^L, press Control+V Control+L