What are potential pitfalls when transitioning from PHP4 to PHP5 in a Windows environment?

One potential pitfall when transitioning from PHP4 to PHP5 in a Windows environment is the compatibility issues with certain functions and syntax changes. To solve this, it is important to thoroughly test the code and update any deprecated functions or syntax to ensure compatibility with PHP5. 

// Example code snippet to update deprecated function mysql_connect to mysqli_connect
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);

// Check connection
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}
echo "Connected successfully";

Keywords

Windows environment PHP4 PHP5 compatibility issues deprecated functions

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