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<?php | |
/** | |
* Example code taken from: https://pento.net/2014/02/18/dont-let-your-plugin-be-activated-on-incompatible-sites/ | |
*/ | |
// In this example, only allow activation on WordPress 3.7 or higherclass | |
MyPlugin { | |
function __construct() { | |
add_action( 'admin_init', array( $this, 'check_version' ) ); | |
// Don't run anything else in the plugin, if we're on an incompatible WordPress version | |
if ( ! self::compatible_version() ) { | |
return; | |
} | |
} | |
// The primary sanity check, automatically disable the plugin on activation if it doesn't// meet minimum requirements.static | |
function activation_check() { | |
if ( ! self::compatible_version() ) { | |
deactivate_plugins( plugin_basename( __FILE__ ) ); | |
wp_die( __( 'My Plugin requires WordPress 3.7 or higher!', 'my-plugin' ) ); | |
} | |
} | |
// The backup sanity check, in case the plugin is activated in a weird way, | |
// or the versions change after activation. | |
function check_version() { | |
if ( ! self::compatible_version() ) { | |
if ( is_plugin_active( plugin_basename( __FILE__ ) ) ) { | |
deactivate_plugins( plugin_basename( __FILE__ ) ); | |
add_action( 'admin_notices', array( $this, 'disabled_notice' ) ); | |
if ( isset( $_GET['activate'] ) ) { | |
unset( $_GET['activate'] ); | |
} | |
} | |
} | |
} | |
function disabled_notice() { | |
echo '<strong>' . esc_html__( 'My Plugin requires WordPress 3.7 or higher!', 'my-plugin' ) . '</strong>'; | |
} | |
static function compatible_version() { | |
if ( version_compare( $GLOBALS['wp_version'], '3.7', '<' ) ) { | |
return false; | |
} | |
// Add sanity checks for other version requirements here | |
return true; | |
} | |
} | |
global $myplugin; | |
$myplugin = new MyPlugin(); | |
register_activation_hook( __FILE__, array( 'MyPlugin', 'activation_check' ) ); |
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