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..

Bind 'this' to a Class Method

Binding 'this' to Class Methods in React React class components allow you to define custom methods alongside managing state and props. These methods often need to access component properties li..

Disable the ACF Warning message in wordpress dashboard

add code to functions.php

make clickable element with clickable class open link in new window

makes an element with a link into a clickable element. This finds the 1st a tag in the target element and then opens the link in a _blank tab. Then if you have an element that you want to be clickabl..

function causing slow load time

i had this function matching a uid using a binary select query. The sites were loading in about 8 full seconds according to my load timer, sometimes up to 12 seconds! So this was running on old site ..

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)

Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated

I had this error on a function that i was not even sure i was calling. This was on some old code i was testing for an old site, i must have fixed this error on a never version of the function.  ..

Return a file extention from a string

This php function returns a file extention from a string.  I think it will only work if the string does not have any additional . in it.  I think a better way to do this function would be ..

Check free space amount and show it in a nice human readable format

this checks the disk space amount on the linux macine and returns the result in human readable form.  df -H Usually this will show it in the following format. Example below. 

shorten string php, string length php, clip string length php

I'm pretty sure i have done this function before but i cant find it due to the keywords being wrong! Here is a function that takes a string and shortens it and adds .. to the end, with the rest of th..

return author title from simplepie rss atom feed

i was just returning the author from this, and for some reason it returns a number. $class->$target_item = $item->get_author(); where you also need to pass the get_name function to this to ext..

get file name from path name in php

returns the file name from a full url or path in php, using basename function. 

imgur upload from php

function that takes an image and uploads it to imgur using a client api id, and then returns all the data. i did this one ages ago and did not make it into a function, but this version should work as..

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..

loading a non processed item using the load_from_fields_array function

Example using the load_from_fields_array function  to load a single item where the processed value is equal to FALSE.

simple file cache and check in php

just a quick cache bit of code, may need tweaking to actually work... i just added it here as i thought it was re-usable.  Also requires simple_html_dom library.

Random User Profile Loading Script in vue

uses the random user ui here to generate profile boxes using vue js  original script here: https://codepen.io/l-i-lc/pen/WNxNwvd?editors=1010   

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.

php strip non numbers from string - remove all non-numeric characters from a string

this will remove all non alpha numeric numbers from a string. in this example it returns: 123456 from $1234.56x  

Are you sure you want to navigate away from this page? #JavaScript warning

You only need to include one of these scripts as the top one seems to work fine by its self not requiring any jquery. Javascript window.onbeforeunload = function (e) { return "You..

get string between other strings function php

So it turns out that i have had this issue before of finding a string in between other strings and made a function for it that i forgot about. 

php validate email function

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

redirect www to non www

usually i point the www to the ip address of the server and then create a redirect block on nginx, but this seems like extra work for nothing.  Tested the cname point to the address but this see..

php function load as table - load_as_table

Load data and add into a table format by passing in the required fields as an array.  Example Result Live Example https://kruxor.com/view/nz_postcodes/5KrBW/zurich-place-weymouth-manukau/&nb..

php convert number with k on the end to full number

I have a function that converts raw numbers into shorthand or human readable numbers, but was wondering how to convert these back if they are stored in that format, and also makes it better if you are..

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 ..

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... 

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..

php check if a class exists

check if a class exists in php. this can be used rather than assuming the class exists and then causing an error You can run the class_exists function on the class before loading it with the followi..

Converting PHP to Javascript for State Extraction by numeric value Australian State Names

I cant even remember when i originally wrote this php function, but now i need to have it in javascript, should not be much change to it to get it working.  The original function takes an austra..

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..

get the subdomain name from the domain string in php - sub domain

returns the first part of a domain string, for example moo.kruxor.com will return moo

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

Create Strings using Template Literals

if you use the backtick to enclose your strings you no longer have to use \n for a new line.  For example: `this is a multiline ...string!!` Console Example

get the content of a url get the content of a link with php and test if the result is empty

Where $import_url is the target URL. 

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 Destructuring and the Rest Parameter to Reassign Array Elements

Use destructuring assignment with the rest parameter to perform an effective Array.prototype.slice() so that arr is a sub-array of the original array source with the firs..

Hello world in C and seeing what it is actually doing

One of the most simple C applications, how to compile it and how to objdump it.  C #include int main() { int i; for(i=0;i < 10; i++) { puts("Hello Mac\n"); } return ..

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..

php export csv from string to browser download

exports an array to a csv string and returns the result in the browser

youtube search api request function

This function requests a search from the youtube search api, and searches the text in the snippet for the seearch string. You can get your own API key for this from the google developers console. They..

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. 

php function to remove the query string from a url

i was reusing this a few times manually and thought i would save my self a bit of time by just using the following function which returns the same full url, but removes the query string from it. ..

add every value in the load_array array into the out for testing

quick foreach to add every variable and variable name into out and return it. good for testing.

javascript try catch example function

try catch is a good way to stop errors breaking your javascript. here is the example from the firefox mozilla with a basic try catch logging the error to your console, rather than just breaking all t..

load json data url or api with javascript

this loads a target json url or api using raw javascript so no jquery required with this one then logs the data returned to the console. 

sqlite fetchArray into another array

was having an issue when trying to return a multi array using sqlite over multiple rows. Stack Overflow Inspiration  I tried a few of these but it was not incrementing key, and also it was only..

php return json header and content

sets the header to json and returns a simple json formatted array.

php get file extension from a file name

this function returns the file extention, however if the file name has multiple . in it this will return a false value.

php post data back to a url with a function

this function uses curl to post back data to a url, this acts like a _POST form request from within a function. Function usage: $url the url to post the data back to e.g: $url = "https://kruxor.co..

generate random username function in php

a function that takes several random words and creates a user name from them. This will generate a user name with between one to three words and a prefix if prefix_show is set to true. usage generat..

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..

Using props with Stateless Functional Components in React

Here is an example of a Stateless Functional Component but i cant get the PropTypes working correctly in my demo, not sure what im doing wrong here, but the code seems to work in the compiler just not..

How to Access Props Using this.props in React

If you would like to access a class component prop within its self you can do this using the this keyword.

How to Use PropTypes to Define Props in React

React allows you to define the types of props given to your components to make sure that invalid data is not sent as the prop to the element.  To do this you can define propTypes. You can defin..

How to Override Default Props in React

The following code explains how you can override the default props in react.  In this example the default of quantity is set to 0, so we can pass in quantity in the items to override its default..

How to use default props in React

If you dont want to specify props every time you use an element, you can also specify defaults for these items. This can also be useful to remember which props are needed per component. This can be a..

How to Pass an Array as Props in React

If you need to pass larger amounts of information to a component you can pass in an array rather than just a single variable. More information on the join method on the array can be found here. Here..

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..

How to Write a React Component from Scratch

Just testing my react component writing skills...

How to Render a React Class Component to the DOM

This shows how you can get react to render a component into the page or DOM. So actually getting and showing the code that you have been writing in react. 

How to Compose React Components in React

In this code we nest the components NonCitrus and Citrus into the Fruits Component. Then nest the Fruits within the TypesOfFood component.  Also added the additional components, Vegetables, Non..

Changing the default hero image based on the category name [not yet done]

This is more of a todo item, at the moment the hero image uses the same image for every post unless a hero is specified for each, i would also like to set the default image per category so if the post..

How to Use React to Render Nested Components

It can be useful to take components and render them inside other components while still making them into seperate items. This shows how you can take each component and nest it within another one and ..

How to Create a Component with Composition in React

This shows how you can compose multiple React components together. In this example we return the parent component which has within it the child component, you can add as many child components as requ..

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..

What is a Stateless Functional Component in React

What is a Stateless Functional Component? A stateless component is one that can recive data and render it, but it does not manage the provided data or track changes to it.  This method creates ..

Create a Complex JSX Element

JSX must return a single element, so you must wrap your items in a div element you cant just return a bunch of p tags.  Define a new constant JSX that renders a div which con..

adding react to a website in 3 steps

i was just researching how to add react to a website, and i thought i would need babel to translate or compile the JSX code, but apparently you do not need this...  So ill test this here and see..

react hello world with variable name

i was just testing some of the hello world examples on the react site, and as they use JSX they cant be directly entered into your code, so you need to run a pre compiler (not sure of the exact term f..

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..

php html template class system

just a simple php templating system to extract your html files from within the php code into external files, makes things (or your code) a bit neater.

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 ..

create a 200 character summary from a longer html string

this is a quick function that can create a 200 word plain text summary from a html string. Also added the option to specify the char length of the string.  Function function create_summary($htm..

using wp_nav_menu to show a custom menu in wordpress

found this quick code snippit here, its not working just for reference of what the array items do.  Here is how you would display the menu called "Projects" PHP         $..

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..

load from fields array php class function

this class function loads from multiple fields from an array, much easier than passing in a bunch of variables into a function nice and clean, the only issue is you need to remember what fields to add..

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, ..

check if a file exists with php

checks if a file exists in php returns true of false

check if a product already exists by its md5

load random videos module using template

load 3 random items and extract the video url, and use the youtube function to create a thumbnail and link to that video page

PHP/SQLite - Load Random Item

loads a random item from the current class / db using sqlite.

extract youtube image from video url

showing how you can get the image wallpaper in different sizes from a youtube video I used to have this tool a while ago, it just passes the video id and extracts the images and also can produce the ..

simple php ip blocker

just to quickly block annoying ip addresses using an array and $_SERVER['REMOTE_ADDR'] so i woke up this morning to find 200 comments from this spam ip, here is a simple script that will block that i..

verify the google recapture server php

i was still getting quite a bit of spam even after using google recapture v2 and i think this is just as i was using the javascript only version, which disables the submit button if the capture is not..

using clamp js to clamp lines of text

there is a css version of this as well but this version works in a greater range of browsers (i think) this one is not working for me... i think the overflow elipsis is still a better option than thi..

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..

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..

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..

loop through a complex object json javascript

just a note to say that a complex object is an object with more than one nested object in it for example just kinda playing around with this one to get the handle on objects and how to access them C..

json load from jquery and loop through the results

this is the same as this post but i have added the object to an external test file. so rather than already having the object data on the page we have to load it somehow Note: you can test that the o..

check column exists in table sqlite

this will return 1 if the column name exists in the table or 0 if it does not

show all methods or functions in a class (class function version)

add this to your class to show all its methods including this one... sorts the array ascending by values so should be sorted in a-z

show all methods (functions) in a class

this will show all available methods or functions within a class, once they are in a class they are called methods for some reason. print functions, show all functions, methods in a class, show met..

check if a variable is undefined or NULL

this will check if the check1 variable is set if it undefined or NULL it will return

check box highlight text area css

i just wanted to be able to highlight a text field if a certain check box was checked on a form in this demo below, if you click on the check1 checkbox it will give you an alert saying if the box is ..

Remove background image php with image magic

untested research on removing background and making it transparent with php

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..

check if a checkbox is checked with javascript

checks if the box is checked and returns true or false reusable function that can check if a checkbox is checked or not just pass it the id of the checkbox Javascript Usage check_my_box('check1');

form submit override with javascript

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

php list all the functions in a class

this should return in an array the methods or functions for a class

php print an array nicely

this works for variables and arrays

python extract images into an array from a url

this should extract all images from a url into an array using python python from bs4 import BeautifulSoupfrom urllib.request import urlopenurl = "https://www.kruxor.com/view/code/LOveX/"page = urlop..

php basic page router

this php page router while pretty basic does the job for this site. it takes all the query string and splits it with the / into $p variables you will also need the following nginx or similar page rew..

wordpress category list sorting custom

minutes to decimal calculator javascript version

trying to do a more simple version of this post. https://kruxor.com/view/code/NIjAQ/quick-tool-to-convert-time-into-decimal/  the php version requires post back to the server, so i think this c..

checking for spam comments function

with this function, you can scan through your incoming comments and check them for keywords the function will scan through the comment text and then provide you with a score as you get more spam com..

calculate a percentage (dec) difference based on two numbers

I wrote this function a while ago, but im not actually sure what its suppost to do, so ill test it here and see what it returns. I think after running this function it returns the differents in perce..

jquery page search [testing]

just testing this one at the moment for a in page search.  Based on this: https://codepen.io/chriscoyier/pen/ExgqWab  I would like to adapt this code to search through page elements and ma..

How to set a cookie and expire it in 30 days

Here is some basic usage for the js cookie library. Include the following script. Or you can grab the latest version at the cdnjs website. HTML <script src="https://cdnjs.cloudflare.com/ajax/lib..

add a youtube video preloader function, lazy load youtube [fixed]

I noticed that this list page: https://kruxor.com/list/rs3_efficient_skill/ Loads about 29 (well exactly 29) youtube video embeds and was wondering if there was an easy way to replace these iframes w..

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..

Monitoring Visible Objects on Screen

i found this one when researching how to detect visible objects on screen, and then doing something with them. This one does not use any external scripts to change the box colour as it becomes visible..

Quick tool to convert time into decimal

I needed a quick tool that can convert say 20 minutes into decimal, as im doing this a lot these days. Here is what i come up with, well you can google it as well and that works, but this form is a bi..

wordpress get the current category id name and slug

This gets and displays the current category id in a wordpress blog post if you have the current id, if not you can leave the $post_id blank and it should see if there is a category loaded to the curre..

php substr return part of a string

good if you want to .. return part of a string

get element by class name with javascript and change it function

You may have seen the get element by id in javascript, which is great when there is only one element but what if you need to get the element using its class name The issue with classes is that they c..

add a tag to wordpress header from a plugin

when i googled this it just showed me plugins to add and remove things from the wordpress header. here is how you actually add your own tags to the wordpress header. This function will add the tag hi..

Use Recursion to Return a Range Array

using recursion to return a range array between the two numbers added

php mysql table exists function

this checks if a mysql table already exists in the selected database and returns true or false

Complex Arrow Function Example

Here is an example using a Complex or Higher Order arrow function, which slightly reduces the amount of code lines used. This should return the square root of all positive integers passed into it.

return a state name from an australian postcode

this will return an australian state code based on the postcode, so you can enter a valid postcode and see which state it belongs too. e.g: 2000 should return NSW

Using parseInt in a function to return an integer or not

this function uses the parseInt function to return a proper integer or an error code if it can't. So this demo should return NaN for the Not an Int (x1235) and The int for the 00001235. I think that N..

getType function for js

this function returns the type of item, array object string number etc

card counting example from fcc

here is a solved version of the card counting function from free code camp you can test it using console log.

using switch with multiple identical cases

this can be used if you have several outcomes where the return value will be the same by omitting the break from the cases before the final

using switch in a function

This shows an example using the switch to select multiple options in a function, you can return from the switch with break, or you can end the whole function with return.

js function to calculate golf scores

this function will return the score name depending on the par and strokes for golf

remove something from the end of an array with pop

pop is the opposite of push and will remove the last item in an array, it also returns the value so you can assign it to a variable

get the last letter of a string

you can use the .length and the index of a string to get its last value

Random string generator function in php suniqid

Here is a a smaller version of the built in php function uniqid() uses letters and numbers and specify the length of the random string.

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..

calculate a percentage (dec) difference based on two numbers

this function will show you the percentage difference between two numbers

PHP MySQL vs SQLite Count Items Function

I have been writing a few functions using sqlite and mysql. There are a couple of slight differences which can be seen in this count items_function.

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..

Generate a random title from an array

give this an array of strings and it will pick a random one to return from the array.

page load timer class

usage: $page_timer = new page_timer; // at the start of your code echo $page_timer->end(); // at the end of your code.

human_filesize php

function via here http://php.net/manual/en/function.filesize.php#106569

sqlite check table name exists

check that the table name exists in a sqlite database, this function it taken from a class.

get current class name with get_class

This will return the current class name, can be used in side a function of the current class object or give it another object name to return. class myclass {function myfunction() {echo get_class($thi..

generate a random color rgb code with php

this code will generate a random color every time its loaded using the rand function in php and generate something like this. .random-color { color:rgb(111,222,111); } PHP Code <?php ..

for loop with a 5 increment

$css_out = "";$max_width = "50";for($i=0; $i<=$max_width; $i = $i + 5) {$css_out .= ".m".$i."{margin:".$i."px;}";}return $css_out;

get text between tags

Using DOMDocument you can get strings between tags Useful if you are processing raw html files with php function getTextBetweenTags($string, $tagname){ $d = new DOMDocument(); $d->load..

sqlite basic sql and loop results

basic loop through sql results using sqlite and php $sql = "select $field_name from $db_table_name"; $out = ""; $result = $db->query($sql); if($result) { while($row = $result->fetchA..

uniqid random string

Here is a smaller implimentation of the built in uniqid() function. Good if you want to generate smaller unique strings for url's uniqid example suniqid(5) function suniqid($len = 5) { $..

copy file

The copy() function copies a file. This function returns TRUE on success and FALSE on failure. echo copy("source.txt","target.txt");

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 ..

extract meta tags from url and return as json array

this will download the url and extract its meta tags returning a json encoded string, with json headers. If the url is accessable. <?php header('Content-Type: application/json'); if(!isset($..

using custom request headers array with curl

this function passes in an array with custom request headers to curl, good if you need to pass in some headers to request an api url and give it an auth key or something like that. Also added to the a..

extract meta tags from file or url as array

php has a built in function that can be used to extract the meta tags from a page url into an array. usage just pass it a url, if you call this file meta.php. usage: meta.php?url=http://my-url.co..

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..

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..

access hacker news json firebase api via jquery

Just a getJSON JQuery Request that will console log all of the hacker news top stories using the firebase api $.getJSON('https://hacker-news.firebaseio.com/v0/topstories.json', function(json) { va..

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..

load content with jquery

Load data from the server and place the returned HTML into the matched element. this one seems simple but very useful $( "#result" ).load( "ajax/test.html" ); this one will load the content o..

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..

make clickable element with clickable class

makes an element with a link into a clickable element

css accordion basics

can we create an accordion with out using jquery ui? I think yes, it will be basic but also keeping it simple it probably a good idea. tried adding transitions to make the divs showing a bit smooth..