You need to escape data while displaying also. Use esc_attr in your case. Try this: <input type=”text” name=”field_name” value=”<?php echo (!empty($field)) ? esc_attr( $field ) : ”; ?>” /> Check this for full documentation – https://codex.wordpress.org/Data_Validation
I have found a work around for this that works in IE, Chrome and Firefox. And instead of using php approach decided to utilize jQuery. It is not a complete solution but will work in a pinch for anyone else out there that needs to apply this as well. <script type=”text/javascript”> /*! jQuery script to … Read more
Displaying errors on the front end from my plugin
Why is my script’s regex having its backslash removed?
I don’t know it’s the best way to do or not, but it worked for me. add_filter(‘woocommerce_after_checkout_validation’, ‘additional_validation’)); function additional_validation($fields) { // bypass all error returned wc_clear_notices(); }
How to format the various types of custom fields?
You want to set the input’s type to number for numeric validation. And use the input’s value to set a default value. <input type=”number” id=”title” name=”my_option_namePlugin option for input box validation” value=123 /> If you just want a hint displayed to the user inside the input, use placeholder. <input type=”number” id=”title” name=”my_option_namePlugin option for input … Read more
If you’re using Datepicker Date fields, I’ve written a plugin that makes this a lot easier and more intuitive for the user by enforcing this limit in the datepicker itself when they’re actually selecting the dates. It’s called GP Limit Dates: http://gravitywiz.com/documentation/gp-limit-dates/
You can use wp_dropdown_roles()
If you look at the validator output, you will see there is a little red arrow pointing to the space between “knows” and “me”. Copy “knows me” to a simple text editor like Notepad and you will see that the blank space consists of two characters, a space and an unknown invisible one. To get … Read more