Hi! Could we please enable some services and cookies to improve your experience and our website?
Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$str = 'UF_CRM_8_';
$str = str_replace('UF_', '', $str);
$length = mb_strlen($str);
$str = substr($str, 0, $length - 1);
print_r($str);