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When is it a good idea to use PHP_EOL?
I sometimes see this in code samples of PHP. Does this handle DOS/Mac/Unix endline issues?
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What is PHP_EOL? Introduced in version 5.0. 2 of php, PHP_EOL is a string constant that represents the correct end of line symbol for the platform that you are running php on. So on Windows this should be set to "\r\n" (carriage return and line feed) and on a *nix system it should be set to "\n" (only line feed).
A constant is an identifier (name) for a simple value. The value cannot be changed during the script. A valid constant name starts with a letter or underscore (no $ sign before the constant name). Note: Unlike variables, constants are automatically global across the entire script.
Yes, PHP_EOL is ostensibly used to find the newline character in a cross-platform-compatible way, so it handles DOS/Unix issues.
Note that PHP_EOL represents the endline character for the current system. For instance, it will not find a Windows endline when executed on a unix-like system.
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