![php - I need to add a filter to prepend the term 'National - ' to the post title if the post is tagged to multiple states - WordPress Development Stack Exchange php - I need to add a filter to prepend the term 'National - ' to the post title if the post is tagged to multiple states - WordPress Development Stack Exchange](https://i.stack.imgur.com/8LzkF.png)
php - I need to add a filter to prepend the term 'National - ' to the post title if the post is tagged to multiple states - WordPress Development Stack Exchange
![How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium](https://miro.medium.com/v2/resize:fit:1400/0*LOK4EwFmpQ_Ypn00.png)
How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium
![php - Wordpress post filter by Ajax with Multi selection checkboxes and radio button without submit - Stack Overflow php - Wordpress post filter by Ajax with Multi selection checkboxes and radio button without submit - Stack Overflow](https://i.stack.imgur.com/GfcUj.png)