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<?php $string = 'test' . chr(0) . "\n" . 'Test' . "\r\n"; $result = mb_ereg_replace('(\0)|(\r)|(\n)', '\\\1', $string); var_dump($result);
based on IHjXb
Output for 4.3.4 - 7.1.0
string(13) "test\\Test\\"
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_ereg_replace() in /in/dlnoT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_ereg_replace() in /in/dlnoT on line 3