<?php $data = ['', '"', 'foo"', '\\"', '\\', 'foo\\']; $input = fopen('php://temp,', 'w+'); fputcsv($input, $data, ',', '"', '\\'); rewind($input); $csv = stream_get_contents($input); var_dump($csv); $output = fopen('php://temp', 'r+'); fwrite($output, $csv); rewind($output); var_dump($parsed = fgetcsv($output, 0, ',', '"', '\\'), $data === $parsed);
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