PHP stream_write_to_file() has been inspired by standard stream_copy_to_stream() which accepts only streams

stream_write_to_file.php.php

<?php

if (!function_exists('stream_write_fo_file')) {
    /**
     * Write a stream to a file, old file contents is lost
     *
     * Parameters:
     * $from: the source stream
     * $to: the destination file
     * $length: maximum bytes to copy, but default all bytes left are copied
     * $offset: the offset where to start to copy data
     *
     * Returns the total bytes copied, or false on failure
     */
    function stream_write_to_file($from, string $to, int $length = null, int $offset = 0) //: int|false
    {
        $to_stream = fopen($to, 'w');

        if ($to_stream === false) {
            return false;
        }

        $result = stream_copy_to_stream($from, $to_stream, $length, $offset);

        return $result;
    }
}