Question

我有一篇内容＆＃34; world＆＃34;。我想添加一个过滤器来使它成为＆＃34; Hello world＆＃34;。如果过滤器是OOP类中的方法，如何通过Wordpress过滤器（和操作）传递参数？它应该以某种方式在数组参数中，但我无法弄清楚如何格式化它。优先事项呢？

$helloword = new HelloWorldClass;
class HelloWorldClass{

function __construct(){
    //WHERE DO I PUT THE VARIABLE $the_word_hello SO I CAN PASS IT TO THE METHOD?
    $the_word_hello = "Hello ";
    add_filter( 'the_content', array($this, 'AddHelloToTheContent') );
}

//I ASSUME THIS LINE SHOULD BE RE-WRITTEN LIKE THIS:
//public function AddHelloToTheContent($the_content, $the_word_hello){
public function AddHelloToTheContent($the_content){
    $the_content = $the_word_hello . $the_content;
    return $the_content; 
}

}

Answer 1

使它成为一个类变量并以这种方式使用它。

function __construct(){
    //WHERE DO I PUT THE VARIABLE $the_word_hello SO I CAN PASS IT TO THE METHOD?
    $this->the_word_hello = "Hello ";
    add_filter( 'the_content', array($this, 'AddHelloToTheContent') );
}
//I ASSUME THIS LINE SHOULD BE RE-WRITTEN LIKE THIS:
//public function AddHelloToTheContent($the_content, $the_word_hello){
public function AddHelloToTheContent($the_content){
    $the_content = $this->the_word_hello . $the_content;
    return $the_content; 
}

如何通过OOP中的Wordpress过滤器和操作传递参数？

1 个答案: