Fix $callback type for add_submenu_page
#161
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The default type for $callback is ''. Since there are parameters after $callback, we must support the default as well.
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Thank you. Anyone, please help me review this PR. |
if ( ! empty( $callback ) && ! empty( $hookname ) ) {
add_action( $hookname, $callback );
}Looks good to me. |
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The default type for $callback is ''. Since there are parameters after $callback, we must support the default as well.
Fixes issue #153