PHP mysqli thread_safe() Method

The PHP mysqli::thread_safe() / mysqli_thread_safe() function tells whether the client library is compiled as thread-safe.

Syntax

//Object-oriented style
public mysqli::thread_safe()

//Procedural style
mysqli_thread_safe()

Parameters

No parameter is required.

Return Value

Returns true if the client library is thread-safe, otherwise false.

Example: Object-oriented style

The example below shows the usage of mysqli::thread_safe() method.

<?php
//establishing connection to the database
$mysqli = new mysqli("localhost", "user", "password", "database");
if ($mysqli->connect_errno) {
  echo "Failed to connect to MySQL: ". $mysqli->connect_error;
  exit();
}

//checking thread safe or not
$result = $mysqli->thread_safe();

if($result){
  print("Thread safety is given.");
}else{
  print("Thread safety is not given.");
}

//closing the connection
$mysqli->close();
?>

The output of the above code will be similar to:

Thread safety is given.

Example: Procedural style

The example below shows the usage of mysqli_thread_safe() function.

<?php
//establishing connection to the database
$mysqli = mysqli_connect("localhost", "user", "password", "database");
if (mysqli_connect_errno()) {
  echo "Failed to connect to MySQL: ". mysqli_connect_error();
  exit();
}

//checking thread safe or not
$result = mysqli_thread_safe();

if($result){
  print("Thread safety is given.");
}else{
  print("Thread safety is not given.");
}

//closing the connection
mysqli_close($mysqli);
?>

The output of the above code will be similar to:

Thread safety is given.

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