Modify multiple fields in form - CI4

I had come back to write that I managed to understand and solve, I came across this: https://codeigniter4.github.io/userguide...ating-data and I found out that you had already written code. Thanks a lot anyway for the support.

So is it alright? Without the braces? Is it a correct syntax?

'category_name' => ['label' => 'Category Name', 'rules' => 'required|min_length[3]|max_length[150]|is_unique[categories.category_name,id,'.$id.']'],

So is it alright? Without the braces? Is it a correct syntax?

'category_name' => ['label' => 'Category Name', 'rules' => 'required|min_length[3]|max_length[150]|is_unique[categories.category_name,id,'.$id.']'],

Yes, you can concatenate the variable to the string with dots like you did. The braces is just standard php string parsing.

CodeIgniter 4 tutorials (EN/FR) - https://includebeer.com
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