The Transients API provides a standardized way to store data temporarily (with an expiration time) in the database.

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685 views

pre_set_site_transient_update_plugins wont call on hosted webspace

Iam trying to use "pre_set_site_transient_update_plugins" to update my plugin from a GitHub repository. For that Iam using this example https://github.com/bfintal/Plugin-Update. On my Dev-System ...
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26 views

Notice: Undefined property: stdClass and WordPress transients

I took this for a basis https://github.com/abeMedia/shareCount and created a class for retrieving social share counts to use in a theme. I also implemented WordPress's built-in transients for cashing. ...
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49 views

How to save new transients if query changes?

I am using WP REST API to pull blog posts into another site. Everything works great, but now I need to save the results into transients to prevent querying the blog every time. I am new to transients ...
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15 views

Can we turn off Wordpress `transient` cache? [duplicate]

When studying Wordpress, I notice that a lot of database changes are on wp_options table - a closer monitor will show that a lot of transient related changes are made. I wonder if we can turn off ...
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23 views

How to decode wordpress transient cache stored in database?

Wordpress stores caches using Transient and saved in wp_options table. I can't read those stored values - a sample snapshot is as below. If you know how to decode/read/parse them, please share.
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36 views

Translation in Core , Plugin and Theme Update

I'm curious about translations in update transient for Core , Plugin and Theme updates. I got this from _site_transient_update_core in wp_option table in this why translations array is always empty? ...
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1answer
29 views

Hook an action when a transient is deleted ? Can't get it to work!

I'm working on a plugin, and it caches a remote page when requested. The file is created with tempnam(). I save the path of that cached file in a transient, using the transient API. Once the ...
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2answers
106 views

Looping through posts per category gives same posts for each category

For a specific section on my website I loop through some categories and get the three latest posts in that categorie and list them. Like so: <?php $categories = get_categories(array('exclude' ...
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76 views

Web scraping using transients

I'm using xPath to scrape tour dates from another website (with permission of course). Since it updates on every page load, I thought about using transients to store the data. Unfortunately I have no ...
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1answer
60 views

Workflow for new importer plugin - your advices?

I'm building a new plugin to import Pinterest Pins from a user into Wordpress. It will NOT work using the Pinterest API (which is too limited for what I want to do) and requires the user login and ...
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1answer
27 views

Set Transient on CPT

When I add set_transient code to my cpt query, I get a Fatal error: Call to a member function have_posts() on string ... on line 30 Line 30 is basically: if($graduate_student_query->have_posts()) ...
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249 views

Fragment caching increasing database queries

While implementing fragment caching on a wordpress site by using the technique described here: http://css-tricks.com/wordpress-fragment-caching-revisited/ I found that it seems to actually increase ...
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1answer
58 views

How to use transients and variables

I am trying to implement transient fragments, I've been doing what is suggested here: http://css-tricks.com/wordpress-fragment-caching-revisited/ While it is working for headers, footers, landing ...
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2answers
1k views

Cache remote (HTTP) request with Transients API

I am trying to use get_transient() method in my Wordpress, I have read the document and seems like I am doing what has been described in the docs. I need to show weather in my website and I am using ...
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0answers
61 views

Transient storage location? database/xcache/w3Total Cache?

I've been working to speed up my site by utilizing transients to store rendered HTML and it works great. I've set up checks that clear specific transients upon post/page/data updates and it all works ...
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1answer
121 views

How to delete transients written by fetch_feed()?

I'm using fetch_feed() to cache external rss sources displayed in a widget. in case the widget (or, more likely, the whole plugin) is deleted/deactivated, i want to manually delete all related ...
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2answers
66 views

What is the best way (regarding performance) to set transients for logged in users?

I have an option for my logged in users where they can hide the posts they dont want to see. Everything works as expected until I implement transients. When I set the transients to cache the posts ...
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49 views

What is the best way to upload a temporary & sensitive file and then delete it when done

What is the best way to upload a temporary & sensitive file and then delete it when done. I'm writing a plugin (eventually for multisite) that allows users with a certain role to upload a .csv ...
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1answer
45 views

How to make use of Transient API as cookie

I want to use Transient API as cookie, but I want to know if it is the best practice,and how to make transient be unique or per user. Thanks
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429 views

Does set_transient() overwrite/update transient option with same key?

Basically that's the question - I wonder if set_transient() overwrites/updates a transient option with the same key?
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1answer
94 views

Messing up with transient API - getting flushed on refresh

Following the _s theme I wanted to make my own version of Post Categories List with Transient, and here's what I made: function my_blog_categories() { global $post; if ( ( ...
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2answers
319 views

Transient not working for custom loops

I'm working at a WordPress theme. Since I need to display featured posts, related posts, some widgets with recent posts and so on, I need to use multiple custom loops. Because of this, the number of ...
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5answers
11k views

Will it break my site if I delete all transient records in wp_options table?

My site currently has an outrageous 500k+ transient records in the wp_options table. This causes the table to be crashed frequently and so be my site. I thought transient records will all expired ...
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141 views

Storing temporary data for a custom post type

I've created a Rental custom post type to a rental site I'm developing for a client. I'd like to add an ajax availability calendar in the backend so the client can mark/unmark unavailable dates ...
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165 views

Storing posts social counters by using transient api

I would like to know if it's a good practice to use transient api to cache social counters for every post. Loading post pages get quite slow while processing and getting all social APIs.
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64 views

Show the online status of the current post's author

Is there a way that I can show the online status (Either online or offline) of the author of the post that a site visitor is viewing? I imagine it's something to do with the Transients API ...
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1answer
311 views

How to cache wp_query with pagination using transients?

I have seen examples where there is a fix number of posts to be queried; however, I cant find an example when using pagination. I am trying to figure out how to use transients to cache a WP_Query ...
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1answer
258 views

How to delete a transient on post/page publish?

I have a transient set for a custom query. It expires in 30 days. But I also need it to expire once a new post/page is published. So that the new published post/page is available in that custom query. ...
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41 views

Should I use transients for these API call results?

I am consuming an API that gives me a list of people and their profiles. My initial idea was working perfectly fine when it's just the list of people because I was just saving the ids and names using ...
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1answer
38 views

How to optimize performance without transient?

I've built a widget to output some fancy content from an API. I realize today I added a transient system so everytime the widget is updated transient is deleted and everything is alright. What I ...
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3answers
9k views

Are transients garbage collected?

This question got me thinking Transient RSS feeds in wp_options not removed automatically? Transients are supposed to expire and be deleted. However the only way I see this handled is when transient ...
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39 views

wp_options flooded with transient API entires

I make heavy use of the WordPress Transient API. Suddenly a few days ago my wp_options table began being flooded with transient entries (2GB worth on average). Normally WordPress only writes them to ...
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1answer
68 views

Whats wrong with this transient? Not caching as expected

I am trying to cache the returned data from a query using WP_Query. It doesn't seem to be storing any where near the time I have specified. Sometimes its refreshing on every page load. What might I ...
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1answer
81 views

Minimize database queries to user tables?

I'm trying to come up with a strategic way to collect large amounts of usermeta data (and output to the screen) while keeping database queries low. Some pages, like the home page, single pages, and ...
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222 views

After having installed APC Object Cache Backend transients stopped working

My understanding is that once you enable the persistent object cache, your transients are no longer stored in wp_options but in the cache. Once I installed Mark Jaquith's APC Object Cache Backend, ...
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2answers
244 views

Set Transient expiration

I have a page that displays a random post every day. In order to change post every 24 hours I use set_transient('totd_trans_post_id', $totd[0]->ID, (60*60*24)); What I'm wondering is this: ...
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5answers
1k views

When should I be using the Transients API?

I've never used the Transients API before and was wondering if anyone has guidance on when to use it. The Codex article implies that as a theme developer I might want to set each new WP_Query() as a ...
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2answers
83 views

Transient API and caching Plugins

Hello wordpress NINJAS.... I am crazy about transient api and I have implemented it in my theme.My question is If I use transient api is it required caching plugin? (I hate plugins!!!) If I use ...
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1answer
1k views

WP_Query Performance Issues with meta_query

I'm working on a custom template for a new theme that uses a WP_Query instance to select posts from 2 post types with 2 custom fields that are NOT empty. Depending on the section of the site, a ...
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1answer
294 views

Why does get_transient() always return string even if integer set?

I've been trying to bug fix the following method for hours now, and don't have an idea why it always returns a string, instead of an integer. The idea is to return a class property, if exists, or a ...
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1answer
63 views

I am officially missing something about transient posts

I have no issue creating transients. What I have an issue with is pagination - and I have made posts on it before and every one sates that the query must look like, for example: $queried_post ...
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110 views

Transients and WP Super Cache? [closed]

Is it worth using Transients when running WP Super Cache? We have a website that get's updated 20 times a day with new post, so I set a lot transients for queries that don't reflect those updates. My ...
2
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1answer
449 views

Transient caching for wp query

I read about transient in the codex and some questions and answers here. So i'm developing a web app based on wp. It works now, but i want to optimize it. Users manage content regulary, so crud ...
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2answers
180 views

Set transient with get posts error

I have a big WordPress installation more than 200K posts, with auto publish posts features. My post content is contained "some HTML tags, some text, some <img> tags". I need to remove all ...
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3answers
448 views

passing markup thought a shortcode attribute

Happy holidays everyone. Hope someone can help me in thinking about a problem I've run into. I have a plugin Im building that allows the user to pull address data from the maps API - ie it ...
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1answer
143 views

Transient pagination not working properly

So I wrote the following to create a transient: $wp_object_i_created = new WP_Query('cat=1'); set_transient('category_one_posts', $wp_object_i_created, 60*60*1); Ok so then I decided "Ya know lets ...
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2answers
137 views

Transient Loop Not working as expected

So I created a transient object that used get_posts() to get a series of posts based on some argument. Well the transient was stored - it was created - YAY - now I tried to write this loop: public ...
2
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1answer
222 views

Integrating WP-TLC-Transients with Wordpress - Where to Begin?

Last week, I asked about creating transients that would update before expiry to prevent users from waiting for the long loading time. I was pointed to WP-TLC-Transients which sound like exactly what ...
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1answer
84 views

How to cache posts based on $_GET? Option name is too long? Options / transients

I have a search feature set up that is fairly expensive and I want to cache the results, based on the $_get string, like: ...
2
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1answer
66 views

Is priming a Transient Cache possible?

I'm currently using Wordpress Transient Caching when querying images I've uploaded and tagged. Using Transient Caching has really sped up these queries once they are cached, but unfortunately, once ...