ID: 49874 Updated by: [email protected] Reported By: jketterl at chipxonio dot de -Status: Bogus +Status: Feedback Bug Type: Filesystem function related Operating System: linux (ubuntu) PHP Version: 5.2.11
Previous Comments: ------------------------------------------------------------------------ [2009-10-14 16:40:00] [email protected] Thank you for your bug report. Does your test.csv file start with a BOM? You can determine this by viewing the file in a hex editor. If it starts with fffe or feff, it has a BOM (byte order mark). ------------------------------------------------------------------------ [2009-10-14 11:39:39] jketterl at chipxonio dot de Description: ------------ exact php version: PHP 5.2.11-0.dotdeb.1 with Suhosin-Patch 0.9.7 (cli) (built: Sep 20 2009 09:41:43) this bug is also be filter-/stream-related. i just believe it might be easier to fix on the filesystem side, that's why i chose that category. when using a php stream filter to convert input from utf-16 into iso8859 (or most probably from any 2byte-encoded charset into any single-byte-encode charset) the ftell() and fseek() functions start to behave inconsistently. more precisely: fseek() jumps to exact offsets ignoring the 2byte-encoding, whereas ftell() seems to return the number of bytes read *after* the filter has been applied. thus it is not possible to fseek() back to a certain offset that has been stored with ftell() before. the content of the testfile used in the code examples is as follows: Line 01 Line 02 Line 03 Line 04 Reproduce code: --------------- $file = 'test.csv'; $fp = fopen($file, 'r'); stream_filter_append($fp, 'convert.iconv.utf16/iso8859-15'); $line = fgets($fp); var_dump($line); $line = fgets($fp); var_dump($line); fclose($fp); $fp = fopen($file, 'r'); stream_filter_append($fp, 'convert.iconv.utf16/iso8859-15'); $line = fgets($fp); var_dump($line); fseek($fp, ftell($fp)); // this shouldn't move anything - but it does... $line = fgets($fp); var_dump($line); fclose($fp); Expected result: ---------------- string(8) "Line 01 " string(8) "Line 02 " string(8) "Line 01 " string(8) "Line 02 " Actual result: -------------- string(8) "Line 01 " string(8) "Line 02 " string(8) "Line 01 " string(4) " 01 " ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=49874&edit=1
