wp simple blocks plugin

Just saving this here for later testing: This is just AI generated crap that does not work, ignore it... ;)   Absolutely, let’s start fresh with a simple WordPress plugin that loads a si..

HTML How to CENTRE Text Easy! - Quick HTML and CSS Tutorial

How to center text in html, there is a few options i discuss here and probably more that i missed out.  Codepen: https://codepen.io/kruxor/pen/poMOVYe

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..

extract a wordpress menu using its id

when you edit the menu in wordpress you can check the url, and it will have the id to extract in the following string: /wp-admin/nav-menus.php?menu=12

sqlite escape string

simple sqlite php escaped string https://www.php.net/manual/en/sqlite3.escapestring.php 

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 ..

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 ..

chart js line chart dont show below 0 and add axis labels

Now we take the chart js chart and add some axis labels on x and y using the same options values. This will also add axis labels to the chart on the x and y axis Javascript options: { scales: {..

find a text string and replace it in javascript

There is a function in javascript called replace. You can just give it some text and it should replace it with your target text.  For example #1 this just runs and replaces the first instance o..

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..

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  

save string to file php

save the contents of a string to a file This function is identical to calling fopen(), fwrite() and fclose() successively to write data to a file.

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. 

using preg_match to extract text from elements

using preg_match to extract specified text from elements I also tried this search "if you have the start and end of a string extract the middle with php" as thats really all i need it to do, i have t..

php validate email function

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

extract variables from url string php

How do I extract query parameters from a URL string in PHP? You can do this using the parse_url function or parse_str function in php.  Say my url string is:  $url = "https://kruxor.com..

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... 

generate a new SSH key on mac for git

ssh-keygen -t rsa -b 4096 -C "your_email@example.com"

console dir usage

the console.dir function shows a list of the properties or the target object. Usage console.dir(variable); Result Example

how to write a javascript string over multiple lines

i remember learning this on freecodecamp while doing the ES6 training, and i could not remember exactly how to do it.  I was using the \ at the end of each line but thats really a bit annoying.&..

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..

convert characters to entities using javascript replace

takes a html string and replaces the html elements into their equivalent characters. e.g: replaces < with &lt;

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..

Uncaught Error: Call to undefined function mb_convert_encoding()

I was getting this error when calling a function in the readability php class, on a new server for code that worked on the old server. Uncaught Error: Call to undefined function mb_convert_encoding()..

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

fixing error Call to undefined function simplexml_load_string

usually the error "Call to undefined function simplexml_load_string" happens when the php xml library is missing from your server. You can install the xml php library with the following command, repl..

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

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

Darkmode JS - Add darkmode to your site with one script

This library looks really nice! It drops in ok, but maybe with more complex layouts or coloring, it seems to break a little bit.  Darkmode JS Example Source Links https://darkmodejs.learn.un..

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

convert json string to a php array

takes a json string in php and converts it into a php array using the json_decode function.

how to decode xml in php

how to decode xml into an array in php Here is a full example taking an xml string and converting it into a php array. 

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. 

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 ..

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. ..

using php parse_url function to remove the query string from a url

I recently had to remove the query string from a url, the bit after the ?key=1 or whatever is after the actual url.  I initially thought i could just use a explode function on the ? which would ..

php return json header and content

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

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 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 join an array in javascript using the join method

This example shows how we can join an array into a string using the join method. Its a nice quick way to convert your array into a string with a delimiter such as , or ; Here we can see the test arr..

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..

replace singular variable assignment with an array loop and variable variables

I found this useful when passing in an array to a function, rather than assigning all the variables in the function manually from the array just loop through each item in the array and asign them that..

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. 

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 ..

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 ..

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..

twitter social sharing meta tags

I had done this one so many times on client sites I actually forgot that i had not applied it to my own site! Doh! Anyway this is the tag setup i use for adding the title, url, author and featured im..

using strlen to check the length of a string and do something about it

in the following code i use the php function strlen to check the length of a string and then add an if statement to check if the string is longer or shorter than the required length. 

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..

adding a new line in javascript

i was writing a function where i needed to for ease of readability add a new line to the code, you can do this with the \n for the new line and then if you need the string to go to the next line then ..

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..

check if a product already exists by its md5

PHP/SQLite - Load Random Item

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

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..

split a string into links using the comma

this is a common function for some field data, lets say you have a string like this. category one, category two, another category in one field or string but i want it to display like this category ..

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 ..

preg replace clean a string only allow a-zA-Z0-9 characters

allows only a-zA-Z0-9 and spaces

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..

rtrim strip white space or strings from the end of a string

good for removing trailing , or any repeating character from the end of a string

write string contents to a file with php

this will create a file called my_file_name.txt in the current php working directory usually this is the same one that the script is running in and write the text yay! into that file if the file al..

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..

unable to access the $_FILES when submitting a form php

I was getting this weird error when submitting an image for a form upload and i could not see why the $_FILES was not set as this is where the files go from a $_POST back form in php. The error i was..

adding an item to an array with php

how to add items to an array in php here is a working sandbox version of this code: sandbox. 

foundation responsive tables

in foundation you can make a table scroll when it hits its width limit by adding the class  <div class="table-scroll"></div> wrapping the table element

passing in arrays to your functions rather than using variables

this is probably an old technique, but i discovered it the other day when i was playing around, and i thought wow i should do this to all my functions, i cant see the downside, apart from having to re..

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..

add a toast alert when logging in with half moon

example of adding a document dom ready wait and then the script that launches a new toast message just adapting a php cms using halfmoon as the ui, its quite nice.  a bit bright in non dark mod..

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..

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..

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..

check if a certain query string is set then apply it to all url's on the page

this script will check if a query string is already set, and if it matches it will append the same query string to all url's on the page Here is the test link with the field, and all url's on this pa..

check if a query string item is set in the current url

this will check and console log if a query string on this page is set to test=anything example url is:  Test is not set: https://kruxor.com/view/code/XzLaT/  Test is set using & : htt..

append a query string to all url's on a page

this should append the query string test=1 to all url's on this page. if it works... make sure its added to document ready.

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..

darkmode toggle switch with local storage to remember the last selection

Here is a darkmode toggle switch, that swaps out the body class so you can target dark-mode or light-mode on all your elements! It saves to local storage the last selection so if you come back to the..

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..

explode a string into an array

This uses the php explode function to split a string into an array based on a delimiter character. I always forget which order this goes in.

checking the current url and then marking a link active based on that url

i want a script that can check the current page uri and then match it to a list of links to be able to add an active class that survives page reloading So here we go... 1. Get the current page url. ..

using gzdeflate on a string php

yes you can actually run compression on a string to save space and then uncompress it at the other end...

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..

Leaflet Quick Start Example

just a quick start map embed for leaflet js an alternative to google maps

generating all css colours with php?

I was looking at doing this just to generate all css colours, i think the only issue is there is a lot! You can do this with rgb(0,0,0) all the way up to rgb(255,255,255) how many seperate colours is..

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..

change string to capital words ucwords

This will change an upper case or lower case, or mixed case string to uc words. Example with this page title

change upper case case string to lower case (uppercase, lowercase)

this can change a lower case or any case into upper case using the str to upper php function Example

convert a string to uppercase with php

use this function to convert a lower case or sentence case string into its uppercase form

php substr return part of a string

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

matches the url and does something if it matches a certain string

check if a timestamp is older than one hour

this will check if the timestamp string is less or more than one hour old.

making var_dump look nice

i was var_dumping an array the other day, and it comes out like a massive string you cant read. a fast way to make this readable is just to add some pre tags to it.

split a string into an array using split javascript

this will split the string into an array based on the spaces inbetween words. you can split it based on any character, for example if you had words in csv comma format you could use the second example..

getType function for js

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

Objects in javascript

creating and using an object in javascript, the full version of this testing is on codepen

JS Using typeof to check on string types

you can use the typeof operator to check what kind of variables you have.

Multidimensional Array

sounds complex, but it's not really here is an example of a Multidimensional Array in javascript. It's just one array nested in another.

get the last letter of a string

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

accessing part of a variable using its index

you can access part of a string variable using its index[1]

js check the length of a string

using the javascript .length property

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.

PHP str_replace - find and replace part of a string

basic usage for the str_replace php function str_replace ( mixed $search , mixed $replace , mixed $subject)

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.

Cut a string when it finds a certain character with PHP

ok so lets say we have a string like this: Hi there im a string. I am also part of the same string. And we want to shorten the above string into just:  Hi there im a string. This is what i wo..

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..

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.

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.

sqlite check table name exists

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

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 ..

Regular expression breakdown regex preg_replace php

/ - opening delimiter (necessary for regular expressions, can be any character that doesn't appear in the regular expression \( - Match an opening parenthesis [^)]+ - Match 1 or more character that..

replace anything in brackets in a string using preg_replace regex php

Lets say we have a string like this hi there im a string (not really a string). and we want to remove this bit (not really a string) We can do this using the following regex (preg_replace) $strin..

remove all of an element in a string &lt;h1&gt;

good if you want to remove all of the instances of an element in a string like if you have a <h1> tag in your string and want to remove it you can use the following code. $additional = "some te..

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..

convert all images into base64 encoded

if you have a bunch of html with inline image links this will convert them into base64 images inline. <?php $html = "my html string with multiple image tags..."; $dom = new DOMD..

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) { $..

file get contents reads entire file into a string

you can use the file_get_contents function to read a file or a web address usage get a url content $homepage = file_get_contents('http://www.example.com/'); echo $homepage; get a file con..

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($..

find the 1st occurence of a string in another string

do a case-sensitive search for a string within another string strpos mixed strpos ( string $haystack , mixed $needle [, int $offset = 0 ] ) usage find the 1st location of a string position within a..

pretty printing json with php

nice if you are working with json string data and just want to be able to read through the structure without copy pasting it somewhere else. $json_string = json_encode($data, JSON_PRETTY_PRINT);

search within files in a directory

During my quest to create a semi-static site that is searchable and fast to load. I thought while loading all of this content in with ajax and such that it would be interesting if i could do a text ..

google map with overlay data

Ever wanted to add a really slightly complex google map to your site? Working Example /* Always set the map height explicitly to define the size of the div * element that con..

truncate string using jquery

.test { padding:10px;border:1px solid #999;border-radius: 3px; } so lets say we had the following string on the page and we needed to make it a bit shorter for some reason. like if you dont have co..

load google sheet data into json string with jquery

Just discovered this the other day, you can actually export google sheets data into json format and load it directly into your site, how good is that. A free mini basic database! Initially i was lo..

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

set and check a cookie using js cookie

this library makes setting and checking cookies so easy its amazing! include this script <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.1.4/js.cookie.m..

random string generator guid

a nice easy one to generate a random string. i use this one to stop items from caching or you could use it as a guid. var nocache = Math.random().toString(36).substring(2, 15) + Math.random().toStr..

using regex with replace to replace all instances of something in a string

so you have a string and you want to replace a recurring character, use this to do it: String Example: var string = "a-string-with-dashes.txt"; var string = "a-string-with-dashes.txt"; string..

preserve tabs in textarea when tab key is pressed

If you want to have the text tabbed when pressing tab in textareas rather than it switching fields. $(document).delegate('textarea', 'keydown', function(e) { var keyCode = e.keyCode || e.which;..

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..

check the server method post or get using php

Here is a basic usage method for checking if the server is in post or get mode. most normal pages are served in get mode. You can send data back to a page using get by adding variables to the string ..