Bug #61201 [Opn]: LOCK_EX in file_put_contents with custom streamwrapper fails

Edit report at https://bugs.php.net/bug.php?id=61201&edit=1 ID: 61201 Updated by: cataphract@php.net Reported by: s dot kleff at goalio dot de Summary: LOCK_EX in file_put_contents with custom streamwrapper fails Status: Open Type: Bug Package: Filesystem function related Operating System: Win7/64 PHP Version: 5.3.10 Block user comment: N Private report: N New Comment: LOCK_EX is currently only supported for regular files (except if FILE_APPEND is used). This is due to the new opening mode 'c' added after bug #43182 that presumably the stream wrappers written at that time wouldn't support. Your script generates the following warning: Warning: file_put_contents(): Exclusive locks may only be set for regular files Although this works as designed, I think this should be revisited. I'll reclassify this as request. Previous Comments: ------------------------------------------------------------------------ [2012-02-28 13:51:17] s dot kleff at goalio dot de Description: ------------ Currently I'm using a custom Streamwrapper for memcached access. The wrapper works fine unless I'm using the LOCK_EX parameter for file_put_contents. If the parameter is given the function does neither write the file nor calls a method of the streamwrapper. I included simple echo statements in all methods of the streamwapper but no output is shown. I have done this because there is no documentation about which streamwrapper methods are called during file_put_contents. I ASSUME that it should call stream_lock like flock() does - but as mentioned before there is no output at all. Test script: --------------- class MyWrapper { // Assume other methods are implemented // Just for demonstration public function stream_lock($operation) { echo "I've been called"; } } stream_register_wrapper('myWrapper, 'MyWrapper'); $result = file_put_contents('myWrapper://myFile','content',LOCK_EX); echo $result; Expected result: ---------------- true (file is written) Actual result: -------------- false (file is not written) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=61201&edit=1