如何将值传递给 add_action() 闭包？

Question

这是我的代码

<?php
$usersfollowing=1;
echo($usersfollowing);

            add_action( 'elementor/query/my_custom_filter', function( $query ) {
    $query->set( 'author', '1' );
} );
?>

当我在 'author' 之后给出值“1”时，它工作正常。我想使用 $usersfollowing 将值作为 1 传递。当我这样做时 $query->set( 'author', $usersfollowing ) 它不起作用。

我想使用 $usersfollowing 来传递变量值。

Answer 1

$usersfollowing = 1;
echo($usersfollowing);

add_action('elementor/query/my_custom_filter', function ($query) use ($usersfollowing) {
    $query->set('author', $usersfollowing);
});

正如 Nico Haase 在评论中指出的那样： In PHP, what is a closure and why does it use the "use" identifier?

如何将值传递给 add_action() 闭包？

How to pass a value to an add_action() closure?

php

elementor