Using WordPress ‘is_lighttpd_before_150()’ PHP function

The is_lighttpd_before_150() WordPress PHP function determines whether the server is running an earlier than 1.5.0 version of lighttpd.

Usage

is_lighttpd_before_150();

Example:

Input: is_lighttpd_before_150();

Output: true or false

Parameters

  • None

More information

See WordPress Developer Resources: is_lighttpd_before_150

Examples

Check if the server is running an older version of lighttpd

This example checks if the server is running an older version of lighttpd and outputs a message accordingly.

if (is_lighttpd_before_150()) {
    echo "Your server is running an older version of lighttpd.";
} else {
    echo "Your server is running a compatible version of lighttpd.";
}

Display a warning message on the admin dashboard

This example adds a warning message on the admin dashboard if the server is running an older version of lighttpd.

function show_lighttpd_warning() {
    if (is_lighttpd_before_150()) {
        echo '<div class="notice notice-warning"><p>Your server is running an older version of lighttpd. Please update to ensure compatibility.</p></div>';
    }
}
add_action('admin_notices', 'show_lighttpd_warning');

Disable a plugin if the server is running an older version of lighttpd

This example disables a plugin called “my-plugin” if the server is running an older version of lighttpd.

function check_lighttpd_version() {
    if (is_lighttpd_before_150()) {
        deactivate_plugins('my-plugin/my-plugin.php');
    }
}
add_action('admin_init', 'check_lighttpd_version');

Run a custom function if the server is running a compatible version of lighttpd

This example runs a custom function called my_custom_function() if the server is running a compatible version of lighttpd.

function check_lighttpd_compatibility() {
    if (!is_lighttpd_before_150()) {
        my_custom_function();
    }
}
add_action('init', 'check_lighttpd_compatibility');

Perform a server check before running a critical operation

This example checks the server version before running a critical operation called critical_operation().

function perform_critical_operation() {
    if (!is_lighttpd_before_150()) {
        critical_operation();
    } else {
        echo "Your server is running an older version of lighttpd. Critical operation cannot be performed.";
    }
}
perform_critical_operation();