PHP mysqli: connect_error() function
mysqli_connect_error() function / mysqli::$connect_error
The mysqli_connect_error() function / mysqli::$connect_error returns the error description from the last connection error, if any.
Syntax:
Object oriented style
string $mysqli->connect_error;
Procedural style
string mysqli_connect_error ( void )
Usage: Procedural style
mysqli_connect_error();
Return value:
A string that describes the error. NULL is returned if no error occurred.
Version: PHP 5, PHP 7
Example of object oriented style:
<?php
$mysqli = @new mysqli('localhost', 'user1', 'datasoft123', 'hr');
// Works as of PHP 5.2.9 and 5.3.0.
if ($mysqli->connect_error) {
die('Connect Error: ' . $mysqli->connect_error);
}
?>
Example of procedural style:
<?php
$link = @mysqli_connect('localhost', 'user1', 'datasoft123', 'hr');
if (!$link) {
die('Connect Error: ' . mysqli_connect_errno());
}
?>
Example:
<?php
$con=mysqli_connect("localhost","user1","datasoft123","hr");
// Check connection
if (!$con)
{
die("Connection error: " . mysqli_connect_errno());
}
?>
Output:
Connection error: 0
See also
Previous: connect_errno
Next: connect
PHP: Tips of the Day
Returns an array with $n elements removed from the beginning
Example:
<?php function tips_take($items, $n = 1) { return array_slice($items, 0, $n); } print_r(tips_take([2, 4, 6], 5)); print_r(tips_take([1, 2, 3, 4, 5], 2)); ?>
Output:
Array ( [0] => 2 [1] => 4 [2] => 6 ) Array ( [0] => 1 [1] => 2 )
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