Php mysqli connection check

/* Procedural style */
<?php
 
$conn = mysqli_connect("localhost", "user", "password", "database");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* check if server is alive */
if (mysqli_ping($conn)) {
    printf ("Our connection is ok!\n");
} else {
    printf ("Error: %s\n", mysqli_error($conn));
}

/* close connection */
mysqli_close($conn);
?>

Source: stackoverflow.com

Similar codes

0 vote305 views2 answers
Undefined index token in get_request_headers
PHP
30 votes127 views6 answers
Laravel migration column types
PHP
4 votes150 views2 answers
Laravel blade errors all
PHP Laravel
0 vote131 views1 answer
Call to undefined method Illuminate\\Database\\Eloquent\\Relations\\HasMany::attach()
PHP
0 vote139 views1 answer
Associative array in php have same value join them
PHP
2 votes150 views1 answer
Undefined variable _session
PHP
6 votes130 views2 answers
Php mkdir if not exists
PHP
0 vote126 views1 answer
Php take out 2 level array key value
PHP
0 vote132 views1 answer
Php bin/console debug events
PHP
0 vote134 views1 answer
Divi layout injector shortcode module in function php file
PHP