PHP MySQLi: real_query() function

Last update on August 19 2022 21:51:15 (UTC/GMT +8 hours)

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

PHP Function Reference

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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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