WordPress get plugin deactivate link.

pluign-get-deactivate-link.php

<?php
if( ! function_exists( 'prefix_get_plugin_deactivate_link' ) ) :

	/**
	 * Generate and get the plugin deactivate link.
	 *
	 * E.g. 
	 *
	 * $deactivate_url = prefix_get_plugin_deactivate_link( 'free-images/free-images.php', plugin_basename( __FILE__ ) );
	 *
	 * @todo Change the `prefix_` and with your own unique prefix.
	 *
	 * @since 1.0.0
	 * @param  string $init_file  Pluin init file. E.g. free-images/free-images.php.
	 * @param  string $plugin_dir Pluin directory location. E.g. plugin_basename( __FILE__ )
	 * @return string
	 */
	function prefix_get_plugin_deactivate_link( $init_file = '', $plugin_dir = '' ) {

		$deactivate_url = admin_url( 'plugins.php' );
		if ( is_plugin_active_for_network( $plugin_dir ) ) {
			$deactivate_url = network_admin_url( 'plugins.php' );
		}

    return add_query_arg(
			array(
				'action'        => 'deactivate',
				'plugin'        => rawurlencode( $init_file ),
				'plugin_status' => 'all',
				'paged'         => '1',
				'_wpnonce'      => wp_create_nonce( 'deactivate-plugin_' . $init_file ),
			),
			$deactivate_url
		);
   	}
endif;