Wordpress Use the settings API

React - Use State to Toggle an Element

Mastering React State: Toggling Elements with Confidence React's state management system is a powerful tool for building dynamic and interactive user interfaces. One common use case involves to..

jqueryui date selector with examples and code with custom date formatting

Datepicker using jquery ui with current date and date formatting. as dd-mm-yy Example Date formatting with selector  

clean excess binary logs from mysql - free up space

Update: 30 July 2023 I actually prefer this command, i just have to figure out why im getting so many binlog files! MYSQL PURGE BINARY LOGS BEFORE '2023-07-30 00:00:00';PURGE BINARY LOGS BEFORE NOW..

fancybox youtube showing video links in a lightbox - updated with fixed code parts

do people still use lightboxes, it seems yes in some cases. ;) if you feel the urge to use lightboxes and need to link to some youtube videos this is how you can do it. you will need jquery and fanc..

show views list function

list items by the view count

list page links function list_page_links

list top number of page links from selected table test run time on db of 4k items.  select * from pages where publish = 'publish' order by insdate desc limit 10 10 rows (0.005 s)

getcwd usage in php to get the current working directory for file includes

the builtin function getcwd in php gets the current working directory, this can then be used to include files or check the current working directory rather than manually adding the directory into your..

add ssh keys on your linux box in 10 seconds

Here i was typing in the ssh password over and over when connecting to ssh, when i could have just typed this one command and had my ssh keys copied to my linux box! What was i doing all that time! :..

windows robocopy /? help and usage

Reference for the windows robocopy command ------------------------------------------------------------------------------- ROBOCOPY :: Robust File Copy for Windows ..

get current year in javascript

get and display the current year using javascript. a usage example would be adding the current year as a copyright to the footer of a page

simple pie get link from enclosure item in simplepie rss feed

i had an item like this in a rss feed, and i wanted to grab the enclosure url, took me a while to figure this out for some reason even though the solution is quite simple.  PHP <item> &l..

Twitter Post Fetcher v18.0.4 - javascript twitter feed fetcher

A few queries showing how to get latest tweets and post likes using the Twitter Post Fetcher v18.0.4 script.

codemirror with auto preview window

this should auto preview html code into the preview area using code mirror

MySQL to Sqlite converter

# Converts a mysqldump file into a Sqlite 3 compatible file. It also extracts the MySQL `KEY xxxxx` from the# CREATE block and create them in separate commands _after_ all the INSERTs. # Awk is choos..

Robocopy Options /? help

My usual backup command is now robocopy source destination *.* /M robocopy d:\ f:\ *.* /M Update: actually scrap that, its /E not /M, i used to use the /MIR option, but as deleting files in the des..

php validate email function

php function that can be used to validate an email address string

Welcome Widget Card - Toggle

Testing the welcome widget with a more or less toggle.  This version seems to work, with a jquery slide toggle. 

Install PHP without Apache on Ubuntu

I was actually about to do some coding and then i got distracted with this annoying error on vscode. I keep getting this error on vscode: I had been ignoring it, but i thought fine, ill fix it and..

Warning: file_put_contents(/var/www/html/bundle/responsive-viewport-meta-tag-responsive-meta-tag/index.php): failed to open stream: Permission denied in /var/www/html/pages/update.page.php on line 167

i think that the content in this location is not writable by php so need to change the permissions too fix this error.  This should fix it, as it was not correctly write permissioned Bash cs /..

Search Duplicating Bugs

Still having issues with the word above duplicating, not sure why.  Search Page PHP - Get Search Value $search_value_encoded = htmlentities($search_value); Check for Search value, and then ..

add a user and add the user to sudo group

basic adding of a user in linux and then adding the user to the sudo group to allow it to run super user commands like apt update or other potentially system breaking commands. Note: replace "usern..

Twitter Post Fetcher Script

Uses javascript to fetch a twitter feed from a user screen name. Totally stylable alternative to using the twitter embed code. Your Welcome... 

Footer Design and Redesign

I never usually look this far down on the site, but its a bit average... Lets fix it!   Some simple changes Just a few elements added and moved around a bit. Added another row to the f..

update value of element using javascript

using innerHTML to update the value of an element

best way to write html into an existing page javascript

this probably isnt the "best way" but it is a way that works. say you want to add some elements to a page with javascript this is a method to do it.  Add an element, before including the script..

Core Function : list_search_by_class_return_links - List Searches by Class Type and Return Links

Function that list's the latest and top searches by the class name and return a list of links, with the search totals on them.  I wanted to extract the top searches and the latest searches by da..

highlight a button with an animation css

While i was downloading the latest AdoptJDK i noticed this button, and thought it was a nice effect.  I wondered how hard it would be to replicate this. Copy the link html Check each class..

convert a string into its html entitles using php htmlentities function

this takes a html string such as the following example and converts it into its html entities. it will take a character such as < and convert it into &lt; so that the string is not parsed as h..

generate view statistics widget in php class extend

How i generate the Week, Month and Year view statistics widget for this site.  Views Widget Function This generates the widget based on the views data. PHP // views widget /* using fi..

Testing Playwrite on for Node

I came across this library on y news, and thought id give it a bit of a test.  I managed to get it working but not really sure what tests it can do.  I set it to take a screen shot of a we..

center image preview with lightbox and caption

I just wanted a thumbnail or preview of the image, where if clicked it would load into a lightbox, but the preview just shows the center of whatever image is added to it.  Note: I just picked ra..

get tomorrows date with javascript

Same as the get yesterdays date except with a +1 rather than a -1 let tomorrow = new Date(new Date().setDate(new Date().getDate()+1));  

get yesterdays date with javascript

This gets todays date and minuses one day from it to be ... yesterday.  let yesterday = new Date(new Date().setDate(new Date().getDate()-1));console.log(yesterday); This format is the full da..

make a nice readable date using a timestamp string function make_nice_date

handy if you have a timestamp like this: 2022-01-10 00:12:42 and want it to look a bit nicer. like this... 12:19 am, January 10, 2022

add new random image with button

this appends a new random image from picsum.photos to the div with the id app

php check if url is valid with filter_var

check if url is valid using filter_var and return a message if the url is invalid rather than continuing

Using CSS Grid instead of Float's for a 3 column simple list

I have been in the habit of just using float:left and then width 31% with margin 1% for list items, and it seems to work fine usually.  But i thought i probably should update the defaults in by ..

Slick Slider Carousel with Custom Next and Prev Buttons

I had a slider the other day where i needed to attach some detached buttons, so added the following click events to control the next and previous events on the slider.  Note the class names: sli..

get php to validate its self with php check syntax

Did you know that php has a syntax checking function built into it? Well it does and this is how you can use it to check your php files for errors, rather than just running them and hoping for the be..

Spam IP Database and delete button

The Background and Reason for the SPAM IP Database and Delete I actually wrote up half of this article and was still testing the function and lost the whole post, which will teach me for adding it st..

list all array json function list_all_array_json

I wrote this a while ago, and i always forget the complex functions i write so ill add it here.  This loads all fields and then returns them as json. 

javascript random string to put on url for cache

I was having a bit of a cache issue with a external css file, so i thought i might fix this by appending a random query string to the file name. This should force the browser to recheck the file each ..

validate email address from string with jquery working function

Here is a working example of this post validate email address from string. This has very basic checking of an email address by checking that the string has an @ and a . in it. Note: this is still no..

log the console log output to a div

I do a lot of console logging so i thought it would be nice to be able to see this on my test pages. Apparently you can grab this quite easily with the following code.  I had to modify this a b..

list_all_array an early stages of list all function that uses an array to pass in main variables

I think this is more neat than passing in individual variables into the list_all function, seems to work ok so far.  Still in early stages of this listing function, more needs to be built into i..

show the current date in javascript

Returns the current date and time and sets the value in a div.  Also added a demo with setinterval to update the time and date in the div every second. 

How to Pass Props to a Stateless Functional Component in React

Props are like properties that you can pass into a component in react. A prop would be something like this in your component.  JSX <div>  <MyProp id="1234" /></div> The..

set a cookie on click and then check if the cookie is set and dont show that message again

this script shows a message, and if the message is closed it will set a cookie to not show that message again for 1 day.  The cookie in this example is set to expire in a day, so then if you com..

How to Create a React Component using the ES6 class method

One way to add a react component is to use the Stateless Functional Component method, and another way is to use the ES6 extends syntax. This method seems more complex than the 1st for some reason mayb..

adding react with JSX using babel

just wanted to see how JSX would work with react and babel, so this way you can write JSX and babel compiles it for use with react.  This is apparently not a good way to do things and can be qui..

react hello world with time and date updating

here is a react hello world with the date and time updating on setInterval 1000 miliseconds.  Again with react it has to be compiled from JSX for it to work, so i have included the original and ..

timeline class and function

this is a class extend that generates a timeline based on structured data and order's the items by year decending. this code will not work out of the box as it has other requirements, but it is a goo..

views list function for checking what views have been made on the current week

this is related to the views class that i added with monthly week number and yearly views, this is the function that i use to extract the top viewed pages for the week num, month num and year num. I ..

load array load all items from an array while in a sqlite load sql loop

i find this useful when loading a bunch of items in a class while looping through data, rather than assigning variables manually i just add the array of item names into the class to begin with and the..

How to record your own page views with PHP, and make them into weekly monthly and yearly charts

Building a better Simple Page View Counter Currently this site has a very basic view counter on it.  Here is how it currently works. Load the page, function checks if the page has a existing r..

javascript update item in object

find something in a javascript array by its array id and then update the value of that item i changed this from an array to an object as i wanted to use something other than numbers for the index Ob..

get the value from a range input field with javascript

this script will retrieve the current value from a range slider html input if you want the value to only update when the slider interaction has been stopped change the oninput to onchange then it w..

get the current week as a number with php

retrieves the current week as a number from 1 to 52.

twitter json feed testing

just testing using the Twitter Post Fetcher script, seems to be working well.

function to load one latest item with a start val load_latest_single_num

This is the same as load oldest item based on insdate then update the insdate to now - load_latest_single_update but it allows you to add a start number to the range, so allows you to access the 2nd, ..

creating embedded php code from a database field

i actually dont know why i didnt think of doing this earlier, i already have the php code field in these code articles. I thought why not embed this code into an actual file and then run it as a test..

how to bundle css files together using windows or mac

so i was wondering how to do this the other day using some modern end tools, and i found this way just do it straight from mac or windows.  lets say i have these css files main.css style.css..

center mode slick zoom testing

update : this is a tricky one to get working! I have done a lot of testing on this one, and got a demo working from a combination of the following links. the demo is still not 100% styled, but its..

still more comment spam

this is getting annoying now. so much spam. i already have the google recapture, but spam is still getting through. who runs this stuff, bots i guess. annoying.  update: 10 August 2021 Still..

weird search results being recorded

i noticed some weird search results being recorded like this: the search function should only be recording a result if it finds a result, so this should not be added unless it can actually find thi..

get last month as a number with php

this will get last month and last month as a text month e.g: 06 and June

for auto filled fields, need to change the text and background colours

for some reason bootstrap or the browser is doing this to auto filled fields.  according to my searching there is a pseudo class added to auto filled fields CSS input:-webkit-autofill { col..

use a list group for listing by category page [todo]

change this to a list group, should make it neater. Page to update: https://kruxor.com/list-category/code/  so for some reason this is listed using this function PHP $list_wiki_menu = $clas..

Comments Listing should be a custom list rather than using search

For some reason when i listed the comments under posts on this site, i used the search function and then searched for the related uid, which maybe was easier at the time than adding an additional cate..

load the latest single item only

this function loads the lastest item from the selected class

load oldest item based on insdate then update the insdate to now - load_latest_single_update

i keep finding these functions that i wrote ages ago and forgot about so ill list them here so maybe i can remember them. I think this one was to loop through items, so it grabs the oldest item and t..

change this to a list group - other items

Other item format is a bit average, list group should fix this.  This uses the template: core-list-item-simple.html  So we can change this a bit to the list group format.  Which i..

hero widget header - creates a nice looking hero item from a target uid and class

this creates a "nice" looking hero widget, just wanted to create something that looked decent and had an attached background image, surprizingly annoying to link items together. For some reason i kee..

get the current month as a number

this will return the current month as an integer

show the difference between two dates in years, months, days, hours and seconds

i modified this code into a function that also detects if there is any values in each item before adding it to the text. 

counting the occurrence of words in a multidimensional array

array sorting example The array Array ( [0] => Array ( [0] => Some [1] => great-looking [2] => special [3] => editio..

validate an email address from a form field - version 2

This javascript function will check if the email address in the text box has an @ and a . in it and return a message saying if its valid or not.  This is pretty basic as it only includes checkin..

form submit override with javascript

if you need to run some additional checks on a form before submitting it

using moment.js to make your time format nicer

moment.js is a very nice way to handle multiple date strings and output them in a nicer format.  grab the latest copy of momen from cdnjs lets say our date is in this format, i think this is un..

installing exfat and ntfs drivers to enable reading of these filesystems

this will install the ntfs package on your linux system, allowing you to read and mount ntfs partitions on drives. NTFS 3G BASH sudo apt updatesudo apt install ntfs-3g This should give you the fol..

Adding HTML Templates into TinyMCE Editor

This can be very useful if you are using the tinymce editor on your site and want to be able to add simple or complex html templates. Here is how to do it: Add this to your tinymce init Javascrip..

how can i make my code look nice, or highlighted in evernote

* update: this is actually a paid tool, so i will be skipping this, as the code highlighting function is not that important to me. If anyone finds a nice free way to do this let me know. I have only ..

install atom editor on ubuntu

You can download atom from https://atom.io/ and run the .deb package or if you want to use apt you will need to add it as a repository. https://flight-manual.atom.io/getting-started/sections/installi..

Enabling SSH on Ubuntu

To enable SSH connection via putty or another terminal app on ubuntu, do the following. Open a terminal with Ctrl+Alt+T sudo apt update sudo apt install openssh-server Check if its runningsudo syst..

change images to upload file also to imgur [reported]

may also create a seperate db to store imgur image links? can update the source_link in the current images to link to the imgur version. I remember i did this a while ago but cant remember the code ..

enable dark mode in tinymce

Here we have a darkmode verion of tinymce, ahh my eyes feel much better. The change to version 5 seems quite easy as well, as it uses the same init script as 4 still.  You need to also includ..

codemirror htmlmixed textarea

a working (hopefully) version of codemirror using the htmlmixed mode, not sure why its not doing code highlighting. Update: 5 Jul 2022, this is working now. 

install codemirror for textareas [added]

i think rather than editing all the code using just a plain textarea element it might be nice to have codemirror format them nicer https://stackoverflow.com/questions/21085170/codemirror-how-to-insta..

fix view page for search links [reported]

its still showing raw data on these view pages e.g https://kruxor.com/view/search_links/KJYU0/mt-maunganui/  Looks like that example is already out of date, here is a new one: https://kruxor..

linking search results to view pages [finished] 🤣

I was thinking it might be useful to link the search term to the page, so that it can be found more easily using that search. For example, Link this search text (somehow) to the post page and display..

badge placement is offset in list pages [fixed]

Another bug caused by the badge changes I think this can be added to a grid as well, and have the category on the left and the date on the right. Then need to align the category badge nicer.  ..

make labels or badges look better

How to make these look better. The labels are used in the list items to show a small version of the category or sometimes the view count for a list item. How they look currently Dark Mode Ligh..

add a jquery date picker to your text box

This JQuery UI Date picker is good if you want to add a nice dropdown date selector to your input box, rather than having to type in the date manually. Requires: JQuery  JQuery UI Documen..

replicating the bootstrap dropdown toggle in jquery

here is a code that can toggle a sub element using the same format as bootstrap. Update: also added another line that closes all the open menu's when one is clicked, so that you dont have a bunch of ..

add paging to wp list query

this is a raw template with list query for specific category names and also includes paging, if the post number is greater than 8 posts in the included categories. 

list items from blog and filter by category name

this is a bit raw, but shows the $args = array('category_name' => 'Categy Name 1','Categy Name 2','Categy Name 3' => 8, 'paged' => $paged ); for querying the category_name to do multiple pro..

enable tinymce on a target textarea by id

this is useful if you have multiple textareas on a page and want to enable tinymce on, also included are buttons to enable and disable on all textareas on the page

stop tinymce replacing urls with relative url's

If you have been using tiny mce for your content editing, you will sometimes find that it replaces your full url strings with its relative ones. This can be annoying so this is how you can disable it..

list items matching a category title

this is just raw at the moment, not tested or working. this is matching a category number at the moment so would need an additional way to link that number to the category name, or know what the categ..

Add a post date to your custom wordpress post listing

this is an example using: get_the_date: this one gets the post date the_excerpt: which gets the .. excerpt or summary text from the post and get_the_post_thumbnail_url which gets the image from th..

Load and Unload TinyMCE editor from a button

Enable TinyMCE Disable TinyMCE Some Content function load_tinymce(idclass) { tinymce.init({ selector: idclass, plugins: [ "spellchecker code aut..

php convert date now into a sql timestamp

an easy way to get the current date from php into a mysql or sql timestamp format, this uses the server time

copy a file when the date of the source is newer than the destination

using xcopy and a loop i found this is a good way to make sure that changes in one file make their way across to another location using a windows batch file. this one loops every 5 seconds, i think yo..

PHP Finding the position of a string in another string using strpos

$dot_location = strpos($my_string,"."); The first version of this does not seem to work in all cases, so i have updated this with a working version here.

create a mysql or sqlite current timestamp with php

just in case you need to create a CURRENT_TIMESTAMP using php, this formats the current date into the following.

validate a url using php with FILTER_VALIDATE_URL

checks if a url is valid

function to create a uid from html

this function converts a html string into a uid or unique id type string, its not actually unique, but its a string that can be used to make the title of something that contains html into a usable str..

How Many Days Since a Date and other Calculations

Here i calculate the number of days since a certain date in php and use the values for checking how much something costs per day.  Start Date Lets add the date that the item was purchaced. In d..

Date Conversion PHP

Convert 1/1/2011 into 2011-01-01 00:00:00

echo todays date and time in a nice format

This will produce some thing like this: 19 December 2018 @ 10:12

Core Class - Basic Core Structure

A Core class that can be used as a base for all content types and uses the extend classes to define the database variables. So basically you can set up core class and then create sub extend classes to..

read and sort directory contents in php

if you need to read in the contents of a directory in php and sort it by date header('Content-Type: application/json'); $dir = "./html/"; $file_type = ".html"; $out = ""; $files_array[] = ""; ..

some date formatting just day just month just year

Useful if you need to get PHP to return parts of the date. The date today in number format $date_today = date("d"); e.g: 21 Todays month name $month_name = date("F"); e.g: July ..

php get the file modified time with filemtime

Good for reading the modified time of files with php... echo date("F d Y H:i:s.",filemtime("html/php-get-the-file-modified-time-with-filemtime.html")); will output

sqlite delete data older than timestamp days

good if you need to delete data older than a certain date, i tested this and it seems to delete data older than 2 days but might have had the time stamp incorrect or something. DELETE FROM $db_tabl..

flems embed in url

Flems.io is a single-file, embeddable Web sandbox. It keeps all its state in the URL, so just make your changes, copy the URL from the address bar, and send it wherever you please. Most popular link s..

change favicon with jquery

Updated: This seems to not work on this page, as it has multiple link icon elements to deal with different sizes. I just changed it to a function and it runs ok, but the browser seems to choose a diff..

parallax js scroll testing

Update: the demo on this one seems a bit broken, i have to fix it! :) you can view a working demo here: https://codepen.io/kruxor/pen/PpGLRG This is one that i had a demo of on codepen, and then code..

validate form data using javascript to check required html elements

for use in a javascript function to submit a form var form = document.getElementById('myForm'); for(var i=0; i < form.elements.length; i++){ if(form.elements[i].value === '' && form.elements[i..

tiny mce editor tinymce

Just loading the editor, as its useful for formatting stuff sometimes 😋. I usually use a function to load it into text areas with the tool bars + styles that i find useful. Example fu..

json loop load elements

Loading json content from a url can be tricky, there are a few different things you need to watch out for. Here is some examples using an example json feed. Load the feed this will load the feed and..

testing chartjs

Update: 30 June 2020 I checked this code, and it was broken all fixed now. The issue with the demo included on the main site is that it was trying to run the chart js before the chart library was load..

validate email address from string

handy for a simple email verification in a form submit var emailfield = $("#emailfield").val(); var atpos = emailfield.indexOf("@"); var dotpos = emailfield.lastIndexOf("."); if (atpos

digital clock with jquery

Just a simple digital jquery clock that updates every second. Also added the dropshadow animation, not sure why... ;) .digital-clock { font-size:80px; } .transition { transition..

stacktable jQuery plugin for stacking tables on small screens

stacktable.js The purpose of stacktable.js is to give you an easy way of converting wide tables to a format that will work better on small screens. It creates a copy of the table that is converted in..

jquery clone and append elements

This jquery function clones an element and appends it to another one.  Here is the basic code: $( ".clone-me" ).clone().appendTo( ".append-me" );I also updated this to work with just raw js, so..

show the year with js

just a simple one liner that will show the current year, so no more need for static years in html footers! var d = new Date(); document.getElementById("year").innerHTML = d.getFullYear(); Usage E..

fancybox youtube showing video links in a lightbox

Updated version with code here do people still use lightboxes, it seems yes in some cases. ;) if you feel the urge to use lightboxes and need to link to some youtube videos this is how you can do it..

jqueryui date selector with examples and code

This has to be one of the most used date picker items from jquery ui. And its usually the reason i even include jquery ui. Without using a theme this one looks pretty good. This version of it does n..

simple dropdown multi level navigation ul li css

updated to work standalone and not effect other list elements on the page

random emojis copy and paste

 Update: this is a better list that you can search by title ctrl + f emoji data Sometimes i like to copy and paste emojis, so here is a few you can copy. I probably need to organise this som..

copy image to data uri using chrome base64 encode

Update: 26 Aug 2020 - Fixed video and original image link all should be working now in chrome. Found this one useful if you want to convert an image to base64 encode and link it directly in css or ht..

emoji data - version 1.0

  Emoji Data version 1.0 This is a better emoji list that you can search by title ctrl + f emoji-data.txt # Emoji Data for UTR #51 # # File: emoji-data.txt # Version: 1.0 # Date: 20..

css grid for responsive layouts and how to use it - 12 col layout

Note: Added version 2 of this with no rows for the grid css grid for layouts with no rows Update: 12 Nov 2024 - Fixed code and embed as is was linking to some broken and weird iframe. Grid should wor..

make your images look non squished when not using image backgrounds

Update: Fixed the code, you can see it here.  i deal with a lot of sites where they have a bunch of images listed and sometimes they can end up looking a bit sqashed unless you add a div and set..

set transparent menu over background image

this is probably obvious, but i found it useful for those themes that look nice with a semi-transparent header sitting over the top of an image. I think ill do this as an external example, as its eas..