Câu 23: 200-550: Zend Certified PHP Engineer

Which of the following code snippets DO NOT write the exact content of the file "source.txt" to "target.txt"? (Choose 2)

1. A. file_put_contents("target.txt", fopen("source.txt", "r"));
2. B. file_put_contents("target.txt", readfile("source.txt")); — đáp án hiện tại
3. C. file_put_contents("target.txt", join(file("source.txt"), "\n")); — đáp án hiện tại
4. D. file_put_contents("target.txt", file_get_contents("source.txt"));
5. E. $handle = fopen("target.txt", "w+"); fwrite($handle, file_get_contents("source.txt")); fclose($handle);