is_plugin_loaded

Syntax

native is_plugin_loaded(const name[], bool:usefilename = false);

Usage

Plugin name or filename

If true searches for plugin filename, false searches for
plugin name

Description

Returns if a plugin is loaded by registered name or filename.

Note

• An example for a registered name would be "Admin Base", while a possible
  filename would be "admin.amxx".

• Prior to AMXX 1.80, this function would only search for plugins
  registered names, not the filename.

• The plugin name matching is case insensitive, while the filename
  matching is case sensitive.

Return

Plugin id of the matching plugin, -1 otherwise