Without using any JavaScript library like JQuery, how do I show an error to the user if the title of the Post exceeds 40 characters? I would like to use WordPress API/ PHP for this.
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Without using any JavaScript library like JQuery, how do I show an error to the user if the title of the Post exceeds 40 characters? I would like to use WordPress API/ PHP for this.
When the form is submitted, check the length of the request parameter and return an error when it’s too long.