How to add a default value to get_option if it’s used as a variable ? The code : I want to avoid an Undefined index error or a false return. Is the following correct ? Answer As you’ve written it, you’re only catching Undefined Index errors. There’s also a parenthesis out of place that…
Tag: php
How to store password securely in database
Currently I am working on php project. The project main theme is to login through ssh to some cisco switch in my local network , fetch details and populate it to user. To accomplish this I have created on database in MySQL consisting switch login credentials. And my PHP code will fetch the login credentials f…
How to retrieve the array values from multiples checkbox?
How to retrieve the array values from multiples checkbox? I have problem when I retrieve value array and echo the value. I get this error Severity: Warning Message: in_array() expects parameter 2 to …
Dockerfile FROM vs Docker-compose IMAGE
I am currently in the process of learning Docker. After reading the docs and a few articles I obviously have more questions than answers. Most intriguing one for me at the moment is: what is the difference between In Dockerfile and In docker-compose.yml I do understand that they should grab the image and crea…
Updates to Laravel route file have no effect
I am trying to create a view to display data from the database but I discovered that my route file doesn’t do anything anymore. At the moment I am trying to get the test function working but when I go to /test it just says “Page not found”. The other routes work. Even if I delete all of the …
PHP count array keys in multidimensional array
I have a simple array like so : then I just want to count array keys [Colors] and [Sizes], which should give me 2 in total, but using count() like count($array), throws “Warning: count(): Parameter must be an array or an object that implements Countable” Answer You have an object with two properti…
Going back one directory without wanting
I’m colaborating with another person and just got their code, when I try and run it nothing loads because all file names are going back one directory like htdocs/dir/index.php if i try in php …
Network response not sending ‘allow-origin’ header
I’m having this error on my web application when I try to update a database object: Access to XMLHttpRequest at ‘http://localhost:3001’ from origin ‘http://localhost:8080’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the reque…
Sort array by 2nd level array count
I have an array that looks like this: I need to be able to count the 2nd level contents and then sort the top level arrays based on these totals. So for example my resultant array would look something like this: I then ideally want to sort by descending order and show only the top 5 results. At present my
Undefined Index: id whenever trying to select from id
Errors: Notice: Undefined index: id in C:wamp64wwwappForm_Edit_Appt.php on line 16 Notice: Undefined index: id in C:wamp64wwwappForm_Edit_Appt.php on line 33 Line 16 is where I define: $…