Question

PHP如何判断两个文件完全一样

Answer 1

<?php
$filename = "test.txt";
$filename1 = "test1.txt";
$md5file = md5_file($filename);
$md5file1 = md5_file($filename1);
echo $md5file.PHP_EOL;
echo $md5file1.PHP_EOL;
if ($md5file === $md5file1){
echo "文件一致".PHP_EOL;
}else{

echo "文件不一致".PHP_EOL;
}