PHP MySQLi: real_query() function


The mysqli_real_query function / mysqli::real_query — Execute an SQL query


Object oriented style

bool mysqli::real_query ( string $query )

Procedural style

bool mysqli_real_query ( mysqli $link , string $query )


Name Description Required/Optional
link A link identifier returned by mysqli_connect() or mysqli_init() Required for procedural style only and Optional for Object oriented style
query The query, as a string.
Data inside the query should be properly escaped.

Return value:

Returns TRUE on success or FALSE on failure.

Version: PHP 5, PHP 7



// Check connection
if (mysqli_connect_errno()) {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();

// Check for errors
echo $con->connect_error;

// Execute query
$result = $con->real_query("Select * From users Where username='$username' And password='$password'");

// Always check for errors
echo $con->connect_error;

return $result == true;


See also

PHP Function Reference

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Next: reap_async_query

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PHP: Tips of the Day

PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

Security Notice: This solution should not be used in situations where the quality of your randomness can affect the security of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. See Scott's answer for a secure alternative.

If you do not need it to be absolutely unique over time:

md5(uniqid(rand(), true))

Otherwise (given you have already determined a unique login for your user):

md5(uniqid($your_user_login, true))

Ref : https://bit.ly/31fd9wa


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