streamWrapper::stream_write
PHP function
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(PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8)
Write to stream
Description
streamWrapper::stream_write(string $data): int
This method is called in response to fwrite().
Note
Remember to update the current position of the stream by number of bytes that were successfully written.
Parameters
dataShould be stored into the underlying stream.
NoteIf there is not enough room in the underlying stream, store as much as possible.
Return Values
Should return the number of bytes that were successfully stored, or 0 if none could be stored.
Errors/Exceptions Warning
Note
If the return value is greater the length of data, E_WARNING will be emitted and the return value will truncated to its length.