Definition
source
/**
* @param SourceStream $stream - valid resource to CSV file
* @param int<1, max> $lines - number of lines to read from CSV file, default 5, more lines means more accurate detection but slower detection
* @param null|Option $fallback - fallback option to use when no best option can be detected, default is Option(',', '"', '\\')
* @param null|Options $options - options to use for detection, default is Options::all()
*/
csv_detect_separator(SourceStream $stream, int $lines, ?Option $fallback, ?Options $options) : Option
