adding files

README.md

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+# wpfootertext
+This Plugin is used to Change WordPress Admin Footer Text

index.php

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+<?php
+/** @noinspection PhpUnused */
+
+/**
+ *
+ * This file is read by WordPress to generate the plugin information in the plugin
+ * admin area. This file also includes all of the dependencies used by the plugin,
+ * registers the activation and deactivation functions, and defines a function
+ * that starts the plugin.
+ *
+ * @link              https://ahmadraza.ga/
+ * @since             1.0.0
+ * @package           WP Footer Text
+ *
+ * @wordpress-plugin
+ * Plugin Name:       WP Footer Text
+ * Plugin URI:        https: //github.com/AhmadRaza9/wpfootertext.git
+ * Description:       Update WordPress Admin Footer Text.
+ * Requires PHP:      7.0
+ * Requires at least: 5.0
+ * Tested up to:      5.3
+ * Version:           1.0.0
+ * Contributors:      ahmadraza420
+ * Author:            Ahmad Raza
+ * Author URI:        
+ * License:           GPL-2.0+
+ * License URI:       https: //www.gnu.org/licenses/gpl-2.0.html
+ * Text Domain:       wp-footer-text
+ * Domain Path:       /languages
+ */
+
+// If this file is called directly, abort.
+
+if (!defined('WPINC')) {
+    die;
+}
+
+require_once "wp-footer-text.php";

wp-footer-text.php

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+<?php
+
+if (!function_exists('wpplugin_custom_admin_footer')) {
+    function wpplugin_custom_admin_footer($footer)
+    {
+        $new_footer = get_option('wp_footer_text_field');
+        if ($new_footer !== '') {
+            return $new_footer;
+        }
+        return $footer;
+    }
+
+}
+add_filter('admin_footer_text', 'wpplugin_custom_admin_footer', 10, 1);
+
+// create custom plugin settings menu
+add_action('admin_menu', 'wp_footer_text_seting_page');
+
+if (!function_exists('wp_footer_text_seting_page')) {
+
+    function wp_footer_text_seting_page()
+    {
+
+        //create new top-level menu
+        add_menu_page('WP Footer Text', 'WpFooter Text', 'administrator', 'wp-footer-text', 'wp_footer_text_settings_page', 'dashicons-text');
+
+        //call register settings function
+        add_action('admin_init', 'register_wp_footer_text_plugin_settings');
+    }
+}
+
+if (!function_exists('')) {
+    function register_wp_footer_text_plugin_settings()
+    {
+        //register our settings
+        register_setting('my-cool-plugin-settings-group', 'wp_footer_text_field');
+    }
+
+}
+
+if (!function_exists('')) {
+    function wp_footer_text_settings_page()
+    {
+        ?>
+<div class="wrap">
+<h1>WP Footer Text</h1>
+
+<form method="post" action="options.php">
+    <?php settings_fields('my-cool-plugin-settings-group');?>
+    <?php do_settings_sections('my-cool-plugin-settings-group');?>
+    <table class="form-table">
+        <tr valign="top">
+        <th scope="row">Footer Text Here</th>
+        <td>
+            <textarea name="wp_footer_text_field" id="wpf-textarea" cols="120" rows="8"><?php echo get_option('wp_footer_text_field'); ?></textarea>
+        </td>
+        </tr>
+    </table>
+    <?php submit_button();?>
+
+</form>
+</div>
+<?php }
+}
+
+
+
+
+add_filter('plugin_action_links_wpfootertext-main/index.php', 'wp_footer_text_settings_link');
+function wp_footer_text_settings_link($links)
+{
+    // Build and escape the URL.
+    $url = esc_url(add_query_arg(
+        'page',
+        'wp-footer-text',
+        get_admin_url() . 'admin.php'
+    ));
+    // Create the link.
+    $settings_link = "<a href='$url'>" . __('Settings') . '</a>';
+    // Adds the link to the end of the array.
+    array_push(
+        $links,
+        $settings_link
+    );
+    return $links;
+} //end wp_footer_text_settings_link()