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WordPress How to Build a WordPress Plugin Building a WordPress Plugin Settings Page CRUD with the WordPress Options Table: Part 1

Posted by Kohane Kagami
Kohane Kagami
12,390 Points

What's wrong with this codes?

The question was "Create a global array named "options" and include it in the options page function." and I wrote the following code and I got an error message " There is no global variable named "$options". It should be created outside of the function." What's wrong with this codes?

<?php

    function my_plugin_options_page() {
        if( !current_user_can( 'manage_options' ) ) {
            wp_die( 'You do not have sufficient permissions to access this page.' );
        }
    global $options;
        if( isset( $_POST['my_plugin_hidden_field'] ) ) {           
            $my_plugin_username = esc_html( $_POST['my_plugin_username'] );

        }

        require('includes/page-wrapper.php');
    }


?>

plugin.php

<?php


    function my_plugin_options_page() {
        if( !current_user_can( 'manage_options' ) ) {
            wp_die( 'You do not have sufficient permissions to access this page.' );
        }

        if( isset( $_POST['my_plugin_hidden_field'] ) ) {           
            $my_plugin_username = esc_html( $_POST['my_plugin_username'] );

        }

        require('includes/page-wrapper.php');
    }


?>

1 Answer

Craig Watson
Craig Watson
27,930 Points

Hi Kohane,

You have simply missed defining the $options variable as an array outside the function. Take a look below to get you through the first question.

<?php

  $options = array();

    function my_plugin_options_page() {

    global $options;

        if( !current_user_can( 'manage_options' ) ) {
            wp_die( 'You do not have sufficient permissions to access this page.' );
        }

        if( isset( $_POST['my_plugin_hidden_field'] ) ) {           
            $my_plugin_username = esc_html( $_POST['my_plugin_username'] );

        }

        require('includes/page-wrapper.php');
    }


?>

Hope this is helpful! Thanks Craig

Kohane Kagami
Kohane Kagami
12,390 Points

Thank you very much Craig. I really appreciate it! ! :)