PHP MySQLi: real_query() function
Description
The mysqli_real_query function / mysqli::real_query — Execute an SQL query
Syntax:
Object oriented style
bool mysqli::real_query ( string $query )
Procedural style
bool mysqli_real_query ( mysqli $link , string $query )
Parameter:
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. |
Required |
Return value:
Returns TRUE on success or FALSE on failure.
Version: PHP 5, PHP 7
Example:
<?php
$con=mysqli_connect("localhost","user1","datasoft123","hr");
// Check connection
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Check for errors
if($con->connect_errno){
echo $con->connect_error;
}
// Execute query
$result = $con->real_query("Select * From users Where username='$username' And password='$password'");
// Always check for errors
if($con->connect_errno){
echo $con->connect_error;
}
return $result == true;
mysqli_close($con);
?>
See also
Previous: real_escape_string
Next:
reap_async_query
PHP: Tips of the Day
To use the constant simply use its name:
Example:
if (EARTH_IS_FLAT) { print "Earth is flat"; } print APP_ENV_UPPERCASE;
Output:
or if you don't know the name of the constant in advance, use the constant function:
// this code is equivalent to the above code $const1 = "EARTH_IS_FLAT"; $const2 = "APP_ENV_UPPERCASE"; if (constant($const1)) { print "Earth is flat"; } print constant($const2);
Output:
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