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How to check is plugin active in wordpress? which methods do we have?

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hello dear community, 


How to check is plugin active in wordpress. I've installed a plugin in directory: /wp-content/plugins/my_plugin  and the plugin file is in /wp-content/plugins/my-plugin.php 

I tried this and - note: i  know that plugin is active.:

    if (is_plugin_active(get_home_url() . '/wp-content/plugins/my-plugin.php')){
    echo 'plugin is active';
    echo 'plugin is not active';


The above code echoes that 'plugin is not active' but plugin is active. I think the problem is my dir to plugin address. i guess that i do have to look if plugin is active and to check if plugin is enabled or not? 

what did i do to solve the issue: To do so i tried to gather all the methods to do so - i read all the things i could get to this topic.  i tried to find all the methods to do that job. 


There are  several ways by which we can check plugin is active or not.

the first way: we can use is_plugin_active function to check plugin active or not.

If the plugin has got a class then we can check like below


if (class_exists('my-plugin')) 
echo 'our code';


The above class related to my-plugin . The above code check if class exist then only our code inside the bracket will execute.

we can also try to check plugin is Active or Not

$pluginList = get_option( 'active_plugins' );
$plugin = 'PLUGIN_DIR/FILE_NAME.php'; 
if ( in_array( $plugin , $pluginList ) ) {
    // Plugin 'my-plugin' is Active

third way: below code for simplicity

if ( is_plugin_active( 'PLUGIN_DIR/my-plugin.php' ) ) {
  //plugin is activated

and we can simply use the WordPress default function.

we can simply pass the Path to the plugin file relative to the plugins directory.


$pluginPath =  '/my-plugin.php';
if(is_plugin_active( $pluginPath )){
    echo "Plugin is activated";
    echo "Plugin is not activated";

furthermore we have the link to the reference: https://developer.wordpress.org/reference/functions/is_plugin_active/

is_plugin_active( string $plugin ) 
function is_plugin_active( $plugin ) {
    return in_array( $plugin, (array) get_option( 'active_plugins', array() ) ) || is_plugin_active_for_network( $plugin );


question: are there more ways to check if the plugin is active? any suggestion is welcome :)

above all: i am so happy to be here in this  great place.

plz keep up the great work - this place is one of the best places for help in all php things and much much more!!!

many thanks to all the supporters here!!! you guys rock!

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