Doc #72900 [Opn->Ver]: stream_copy_to_stream() can also return false

Edit report at https://bugs.php.net/bug.php?id=72900&edit=1 ID: 72900 Updated by: cmb@php.net Reported by: alexxz at alexxz dot ru -Summary: stream_copy_to_stream function documentaion is incomplete on return value +Summary: stream_copy_to_stream() can also return false -Status: Open +Status: Verified Type: Documentation Problem Package: Streams related PHP Version: Irrelevant -Assigned To: +Assigned To: cmb Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2016-08-19 16:58:18] alexxz at alexxz dot ru Description: ------------ http://php.net/manual/en/function.stream-copy-to-stream.php Return Values ¶ Returns the total count of bytes copied. Documentation says function returns int. But in fact it returns false on error. Test script: --------------- dd if=/dev/zero of=test bs=1024 count=10000 sudo losetup -f test sudo mkfs.ext4 /dev/loop0 sudo mount /dev/loop0 /media/alexxz/ sudo chown alexxz /media/alexxz/ /usr/bin/time php -n -r 'var_dump(stream_copy_to_stream(fopen("/dev/zero", "r"), fopen("/media/alexxz/s", "w")));' bool(false) df -h ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=72900&edit=1