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PHP mysqli: stat() function

mysqli_stat() function / mysqli::stat

The mysqli_stat() function / mysqli::stat returns the current system status.

Syntax:

Object oriented style

string mysqli::stat ( void )

Procedural style

string mysqli_stat ( mysqli $link )

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

Return value:

A string describing the server status. FALSE if an error occurred.

Version: PHP 5, PHP 7

Example of object oriented style:

<?php
$mysqli = new mysqli("localhost", "user1", "datasoft123", "hr");

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

printf ("System status: %s\n", $mysqli->stat());

$mysqli->close();
?>

Example of the Procedural style

<?php
$link = mysqli_connect("localhost", "user1", "datasoft123", "hr");

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

printf("System status: %s\n", mysqli_stat($link));

mysqli_close($link);
?>

Output:

System status: Uptime: 15092 Threads: 2 Questions: 102 Slow queries: 0 
Opens: 16 Flush tables: 1 Open tables: 0 Queries per second avg: 0.6


System status: Uptime: 272  Threads: 1  Questions: 5340  Slow queries: 0
Opens: 13  Flush tables: 1  Open tables: 0  Queries per second avg: 19.632
Memory in use: 8496K  Max memory used: 8560K

Example:

<php
$con=mysqli_connect("localhost","user1","datasoft123","hr");
// Check connection
if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }

echo "System status: ". mysqli_stat($con);  

mysqli_close($con);
?>

Output:

System status: Uptime: 17266 Threads: 1 Questions: 142 Slow queries: 0 Opens: 25 Flush tables: 1 Open tables: 0 Queries per second avg: 0.8

See also

PHP Function Reference

Previous: ssl_set
Next: stmt_init



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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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