Home › Forums › General Issues › Removing Non-Numeric Characters from ACF Form › Reply To: Removing Non-Numeric Characters from ACF Form
I tried two things:
1. I put it at the end of my main WordPress functions.php file.
2. I put it in the __construct function of the plugin file I am working with (the main plugin.php) file. For context, it looks like this. Note: I’ve replaced the actual plugin name with a generic “plugin” name.
File: plugin.php
Code:
<?php
/**
* @package Plugin
* @version 1.0.0
*/
/*
Plugin Name: Plugin
Plugin URI: https://plugin.com/
Description: Plugin Description
Author: Me
Version: 1.0.0
Author URI: https://plugin.com/
*/
class plugin
{
public static $version = '';
/**
* pluginconstructor.
*
* The main plugin actions registered for WordPress
*/
public function __construct()
{
add_filter(‘acf/validate_value/name=sell_price’, ‘allow_only_floats’, 20, 4);
add_filter(‘acf/validate_value/name=buy_price’, ‘allow_only_floats’, 20, 4);
function allow_only_floats($valid, $value, $field, $input) {
if (!$valid) {
return $valid;
}
if (preg_replace(‘/[^0-9.]/’, $value)) {
return ‘Only numbers are accepted’;
}
return $valid;
}
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