How can I implement in PHP, a script which redirects stdout to stderr, such that echo, etc. print to stderr instead of stdout? I can redirect stdout to stderr when invoking PHP like so: php script-name >&2 However I want to perform this redirection within the script itself. The solution I currently use is output buffering: ob_start(); // Call library code fwrite(STDERR, ob_get_contents()); ob_end_clean(); However I wonder if there's a more efficient way, so that output appears on stderr immediately, rather than waiting for fwrite(STDERR, ob_get_contents()); My reason for wanting this is to create a Subversion pre-commit hook using PHP_CodeSniffer: http://pear.php.net/package/PHP_CodeSniffer I want: 1) Commits to our Subversion repository to be checked against our coding standard with PHP_CodeSniffer 2) Commits to fail when PHP_CodeSniffer returns an error 3) PHP_CodeSniffer's report to be displayed to the Subversion user, so they can fix any problems I achieved 1) and 2), but PHP_CodeSniffer prints its report to stdout and Subversion only displays stderr to the user, not stdout. So to make this pre-commit hook fool proof, I want it to redirect PHP_CodeSniffer's report to stderr. Anyone have better suggestions than output buffering? Much thanks, Jack
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