wordpress-plugin | 易学教程

Fatal error: Call to a member function get_price_html() on a non-object

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I am trying to display the price of each product in the search it works for most products but when I search for a piticular product I keep getting this error Fatal error: Call to a member function getpricehtml() on a non-object in /home/public_html/wp-content/theme/search.php on line 76 this is the only search I get the error on "CUP0501-001 2822505 Jacobsen Reel Motor WMSM4". Here is the line on the search page that is giving me trouble getpricehtml(); ?> Any help would be appreciated. Bhavin Patel In this file $product is not define so define it. This code might be solve your problem. global

How to go about modifying the Wordpress “Pages Add New Screen”

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I have been thinking about developing my own theme framework for worpdress. I'd like to use jquery ui to build a bootstrap 3.0 drag and drop interface, which I already have worked out, but I can't figure out how to edit the "Pages Add New Screen" as referenced here: https://codex.wordpress.org/Pages_Add_New_Screen Would I add files to my client side theme that affected my admin structure as well? Does anyone have any suggestions as to how to do something like this. Alot of themes these days come with these drag and drop frameworks and it would be nice, to be able to create one of my own, just

Use JQuery Datepicker on dynamically created fields

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I have to use datepicker in wordpress site, in which a plugin creates fields dynamically with same name(array), same #id and same .class i try to use it using focus but i got error on it TypeError: inst is undefined Please hel <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="assests/jquery-ui.min.css" rel="stylesheet"> <script src="assests/jquery.js"></script> <script src="assests/jquery-ui.js"></script> </head> <body> <div class="mytemplate" style="display: none;"> <input id="datepicker"

Too Many Post Data variables?

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问题 It's my first time posting a question: I'm working on a WordPress plugin that allows the user to create rows of data in the database. I'm experiencing a problem when there are many (upwards of 100) rows of data to be updated by a form. Each row of data holds eight POST data variables, so when there are 100 rows in the form, over 800 post variables are sent. However, only a certain number of the variables update the database, right now only 112 rows update. I can't figure out what would stop

PHP fopen() Error: failed to open stream: Permission denied

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I learning how to write a WordPress plugin. I need some help writing some data to an XML file. I'm on my local machine, a Mac running MAMP. I have PHP 5.2.13. In my plugin, I've got: $file_handle = fopen('markers.xml', 'w'); $stringdata = "Test Info"; fwrite($file_handle, $stringdata); fclose($file_handle); Running the above gives me the following error: Warning: fopen(markers.xml) [function.fopen]: failed to open stream: Permission denied in /Users/my_name/Sites/my_site/wp-content/plugins/my_plugin_folder/my_plugin_main_file.php on line 73 Warning: fwrite(): supplied argument is not a valid

I want a pagination to my options page of wordpress plugin?

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MY DEMO I want a pagination according to the results coming from wordpress database...This is all done on my options page of wordpress plugin.. My code to retrieve from database is as follows $per_page=5; $sql = "SELECT * FROM wp_dive "; $result = $wpdb->get_results($sql_10) or die(mysql_error()); $length=count($result); $pages = ceil($length/$per_page); foreach( $result as $results ) { $id=$results->id; $name= $results->name_cust; $gender= $results->gender_cust; $dob= $results->dob_cust; <?php $html= "<div class=\"divContentBody\">";?> <?php $html .= "<span class=\"clsOrderNo\">". $id."</span

Browsing page siblings through next/previous links

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I'm using WordPress as CMS for a site I'm developing. When I'm browsing posts, I can use Next/Previous links to walk between posts. I want to have the same thing on pages. Page A Page B Page C Page A should link to next sibling Page B. Page B should link to previous sibling Page A and next sibling Page C. Page C should link to previous sibling Page B. Is there any plugin you can recommend that generates these links? I know there are some plugins that do this, but I specifically want one that hooks into my current theme automatically. I know how to edit the theme, but that would brick my site

How can I use Multi Media Uploader in the WordPress Plugins?

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I try to add the multi uploading options in the wordpress plugins I repeated this code in the plugin(two times) only changing the id name. <script language="JavaScript"> jQuery(document).ready(function($) { jQuery('#upload_image_button').click(function() { formfield = jQuery('#upload_image').attr('name'); tb_show('', 'media-upload.php?type=image&TB_iframe=true'); return false; }); window.send_to_editor = function(html) { imgurl = jQuery('img', html).attr('src'); jQuery('#upload_image').val(imgurl); tb_remove(); }; }); </script> <input id="upload_image" style=" margin-left:303px;" type="text"

wordpress plugin -> Call to undefined function wp_get_current_user()

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I'm trying to get the current user info in my plugin using the func wp_get_current_user(). But am getting Call to undefined function wp_get_current_user() Apparently this is happening because the file /wp-includes/pluggable which contains the function doesn't get loaded until after the plugins are loaded. Anybody any ideas on how to get the user details in my plugin? Apparently this is happening because the file /wp-includes/pluggable which contains the function doesn't get loaded until after the plugins are loaded. Indeed it is. So wrap whichever thing you're doing in a function, and hook it

wp_rewrite in a WordPress Plugin

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Ok, I've got this code that I've been using to spit out news to an application of mine. It was working until today. I've cutout all the logic in the following code to make it simpiler. But it should "WORK" Can someone help me fix this code to where it works, and is done right? I know it's hacked together , but it didn't seem to have any problems until today. I have not updated anything, don't know what the deal is. Plugin Name: MyPlugin Example Version: 1.0.1 If ( ! class_exists("MyPlugin") ) { class MyPlugin { var $db_version = "1.0"; //not used yet function init() { //Nothing as of now. }