Commonly used hash encryption functions in php, phphash encryption_PHP tutorial

$hash_list=hash_algos(); //Return the registered hash rule list

print_r($hash_list); //Display results

echo hash_file('md5', 'example.txt');

$str="the quick brown fox jumped over the lazy dog."; //Define string
echo hash('ripemd160',$str); //Generate hash value

$ctx=hash_init('md5'); //Initialize a hash value
hash_update($ctx,'the quick brown fox'); //Pour data into the hash value
hash_update($ctx,'jumped over the lazy dog.'); //Pour data into the hash value
echo hash_final($ctx); //Output the final result

$str="the quick brown fox jumped over the lazy dog."; //Define string
$fp=tmpfile(); //Create a temporary file
fwrite($fp,$str); //Write string to temporary file
rewind($fp); //Rewind the position of the file pointer
$ctx=hash_init('md5'); //Initialize a hash value
hash_update_stream($ctx,$fp); //Pour data into the data stream
echo hash_final($ctx); //Output result


$str="the quick brown fox jumped over the lazy dog."; //Define string
echo hash_hmac('ripemd160',$str,'secret'); //Generate a hash value containing the key

/*Create a file and write the string into it*/
$file="example.txt"; //Define file name
$str=" the quick brown fox jumped over the lazy dog."; //Define string
file_put_contents($file,$str); //Write a string to the file
echo hash_hmac_file('md5',$file,'secret'); //Generate a hash value containing the key

$ctx=hash_init('sha1'); //Define string
hash_update($ctx,'the quick brown fox jumped over the lazy dog.'); //Pour data into the hash value
echo hash_final($ctx); //Output result