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

find a custom data attribute in simple html dom

locate the div based on a custom data attribute, in this case the data-field="regularMarketChange" full docs

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..

Warning: preg_match(): Compilation failed: invalid range in character class at offset 4 in simple_html_dom.php on line 722

Initial thought on this error is that there is a version issue. This only happened on version 1.11 for me, will check what other version i have.  Yep not sure why but the older version of php ht..

error Warning: getimagesize(uploads/583517f49099a.jpg): failed to open stream: No such file or directory in SimpleImage.php on line 1198

i think this error is just caused by a missing file. But there should be some kind of error checking here to not crash the whole site just due to a missing image file. this error is quite hard to fin..

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..

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. 

windows robocopy /? help and usage

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

check if an item id exists in javascript

checks if 2 ids exist in one function and console logs the status here is the result in console log

simplepie error : XML or PCRE extensions not loaded!

using simplepie it does not load the target feed, and does not display any errors. Just nothing.  if your feed is init'd with $feed check for feed errors with:        $feed ..

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.

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.

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..

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..

Load fancybox modal on hash check

I was just testing this code, not working on the hash check as yet. 

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..

basic radio checklist - check and item and get its value in a textarea

a basic radio input type checklist, where you can only select one of the items in the list.  Ok so no longer so basic.  This script allows you to fil the value of a text area with the valu..

Invalid argument supplied for foreach()

Fix for Warning: Invalid argument supplied for foreach() in /var/www/html/pages/seo-meta-tag-search.page.php on line 204 As this is just a warning, i may not have noticed it originall..

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 ..

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..

check url hash using javascript

What is a url hash? This is a URL Hash. You can add the # symbol on the end of a url and content after it, and this will not effect the content usually, unless the browser is intructed to do somet..

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..

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..

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..

add an outline to everything!

very handy for checking elements and other things on your page. this one line will add an outline to every element, so you can see where all the elements are located. 

content editable p tag with spell check enabled

im not sure how this is useful, but you can set a p element to content editable so you can change its contents and then also set the spellcheck to true so the browser knows that it should run its spel..

bootstrap form basic

a nice simple bootstrap form layout example template

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

simple html dom check if an attribute is set and has a value

Common and Uncommon Meta Tag's and Social Meta Tags

I am writing an api that checks for meta tags so i thought i would add a list here of some of the common meta tag names that i found.  The ones prefixed with og: are facebook and linked in and s..

Sweet Alert 2 Methods and Examples

I love this alert replacement so i thought i would just add some of the examples here to show how awesome it is! You can check out the official sweet alert documents here if you want to browse throug..

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..

Console Tips and Tricks

Here are some quick commands for the console. Getting to the console in your browser Press F12 and Find the console tab. That little blue > there is the console. this is in brave or chrome, bu..

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..

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 ..

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..

Fix for PHP Warning Trying to get property '*name*' of non-object

i was getting this error when checking parts of an object that were sometimes set and sometimes they did not exist depending on the values.  Warning / Error : Warning Trying to get property '*na..

load json data url with jquery

loads a api or json url or endpoint using jquery and console logs the result Tested working on my test json file, check the console and it should be there. 

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..

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..

javascript basic test array and loop

Here is just a basic test array and a loop to show a basic loop through the test array.  With the loop i use the length of the array as the max variable, so the loop stops when it hits the array..

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..

using the $_SERVER['HTTP_REFERER'] to check referring pages

shows how you can display the contents of the $_SERVER['HTTP_REFERER'] tag in php to show referring pages i read in an article that this is stripped out of HTTPS requests, but it seems to still be wo..

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..

bootstrap alert template

here is a templated bootstrap alert where you can switch the alert type with the @alert_type variable. Here are the different alerts: primary secondary success danger warning info light dar..

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 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. 

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..

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..

twitter json feed testing

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

check if a file exists with php

checks if a file exists in php returns true of false

check if the file is a directory or check if the directory exists in php

this checks if the file is a directory or if the directory exists

check if a product already exists by its md5

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..

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..

vertically align text within a fixed height div using flex

this can be used to make text align nicely while still keeping the same layout. the example below shows how you can set the height of the containing element and still have the text aligned center to ..

how to view a web page in its printer format

if you have to check a website in its print or @media print format this is how you can emulate it in browser if you are using chrome or edge.  Open the Dev Tools (usually F12) Click the menu ..

old browser check with javascript

modified from this script i console logged all the items available so you can do what you need with them these are the avilable variables Javascript console.log(browser.agent);console.log(browser...

check browser version and show a message

a button that displays your browser version in a modal Demo (gif)

CSS Drawing - Beach Scene

i did this one a while ago, cantr even remember it just appeared when i searched in google.  here is an animated version, check the bottom for the css version of this:  

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..

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..

Scroll down indicator css javascript and html

I have seen these a couple of times, indictating to the user that there is further content down the page, and they should scroll to view it. Then as you scroll down the indicator dissapears. So we w..

check if a ul contains a ul li

i could not find a way to do this with just raw css so i had to use jquery /sad

jquery check if a sub element exists

this can be done with .length

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..

show the browsers name in javascript

This function will show you an alert box with the name of your browser, however im using brave at the moment and it shows as Netscape, so i guess you cant trust the result.  Also i just discover..

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..

check column exists in table sqlite

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

set active class based on url value

this will check the full url and then loop through all the a elements in #test-div when it finds a matching url it will add the class active to that button this is good for persisting active links o..

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 server https or http value in php using $_SERVER

this will check the server method and if its https assign the value to $server_http_val so this will either be "https://" or "http://" good for generating full url's for your domain. 

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 ..

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

get current url with php

this checks is $_SERVER['HTTPS'] is set and $_SERVER['HTTP_HOST'] $_SERVER['REQUEST_URI'] to construct the current url

play youtube videos on firefox in ubuntu 18

sudo apt install libavcodec-extra also checked that firefox was able to pla drm video

select onchange

select onchange run a function this will run the check_years function when the select value is changed

add years as options to select dropdown

add the years as dropdown items between a range of years with javascript document ready js only version

loop through object json javascript

this shows how you can loop through a javascript object using for if you check the console you can see the loop results

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..

using text-stroke to add a border to your text

this is quite good for webkit enabled browsers, and most of them are these days.  Check what is supported: https://caniuse.com/?search=webkit-text-stroke   

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..

how to check the temperature of the pi using command line

to get the temperature of the pi in shell or command line type the following: BASH vcgencmd measure_temp This measures the GPU temperature. Which should generate something like this: To get the..

how to check linux kernel version on rasberry pi rasberian

You can check which linux kernel version on rasberry pi a couple of ways, the easiest is using the uname command BASH uname -r which should give you something like this (but probably not exactly th..

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..

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 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..

TortoiseSVN for updating wordpress plugins

For updating wordpress plugins, and probably other SVN related stuff, i found that using TortoiseSVN is the easiest. For windows anyway.  Just go to the downloads page, and pick the correct flav..

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..

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..

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..

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. ..

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..

top bar overflow issues [fixed]

So i was just browsing throught the site checking for random errors, which there are quite a lot. And noticed this one. Quite a large bug caused by overflow issues in the main header, i think this ..

css prefers-color-scheme example

This uses the @media and prefers-color-scheme to check which one you have as a setting in your browser

using jquery appear for checking if an element is visible on screen

Yes.. sometimes i like using jquery as well, as it can make things so easy! :) Here is a quick demo using the JQuery Appear plugin so make an element change if it on or off screen.  Plugin Link..

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..

check that a number is in the correct range based on a form selection

This script will check if the number is correct based on a form selection this can be used for checking that a postcode matches a state value or something similar Lets grab the html select form from ..

country select javascript check which option is selected and show a hidden element

this shows a country dropdown and then if a selected country name is matched it will show the second part of the form for this test australia is the confirmed country

country select javascript check which option is selected

this is an example of how you can get the selected country value with javascript from a html countries dropdown

extracting the useful bits of bootstrap

Back in the early instances of bootstrap they used to provide a build system for the individual components. It seems that these days its all or nothing, or use some kind of build tool to include the b..

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

Bootstrap Darkmode Switch

I have tried this before without success but i googled "Bootstrap Darkmode Switch" and found this repo at the top of the list. So i thought i would give it a try on here and see how it looks. Demo pag..

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..

getting the site title vs the page name

this statement will check if the current page is the home page and show the get_bloginfo('name') if its another page in the site it will get that pages title using wp_title('')

inline fancybox modal testing

just testing to see if i can get a fancybox popup loading using an inline script rather than a document ready one, might be easier to implement. similar to this one, but without the need for documen..

check if a timestamp is older than one hour

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

Find Disk Space Usage using DU

The easiest way to check the space used in a directory in linux is this command: du -h This will do the current directory and all its sub directories. if you want to see a specific one type this d..

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 mysql table exists function

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

add google captcha to enable and disable a form button

This will check if the google checkbox is checked and then enable or disable the form button depending on the outcome. This is just a basic version of this check, you should also check that the captu..

form checkbox replacement with large tick using label

this is good if you want to change a form checkbox with the default and show a fancy tick or something else, this will still check the checkbox so will work normally as the form element

check if something is an array

this function will check if something is an array

compare non equality function

this will check if two values are not equal

compare equality function

this will check if two values are exactly equal

JS Using typeof to check on string types

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

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.

validate a url using php with FILTER_VALIDATE_URL

checks if a url is valid

check if a user is logged in using sessions

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..

image Checkbox Replacement for Forms

Some sites like to be a bit tricky and have some complicated form checkbox replacement which is not all that hard, just can be a bit annoying as you have to extract the images for this to work. Demo ..

sqlite check table name exists

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

Get Current Page URL PHP

There is a few methods of getting this but here is a simple one. Replacing the http or https manually.  $current_url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; Here is a more complex ..

tell wordpress to use the direct file method if its asking for ftp details

this usually happens if the permissions on the wordpress wp-content folder are not correct or writable. check the permissions are correct: (this is for apache, the user names might be different che..

wordpress enqueue slicknav and slick slider

add this to your theme scripts functions file here is the full one from HTML5 Blank // Load HTML5 Blank scripts (header.php) function html5blank_header_scripts() { if ($GLOBALS['pagenow'] != ..

wordpress check home and not home for banners and things

this quick function will check if the page is home or not good if you want something on the other pages and something just on the home page in the header or that kind of thing. i have tested this i..

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..

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 ..

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 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..

do something later with settimeout or loop with setinterval

setTimeout This one will run a certain time after the document loads. So if i want to execute something 5 seconds (or so) after the page loads i would do this. You will need to check your console..

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..

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..

check length of element jquery

this one can be good for checking if an element exists before doing something with it and can stop warning messages if you are running the script on multiple pages. if ($('#mydivid').length) { con..

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..

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..

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..

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 ..