1<?php 2 3class CoveredClassWithAnonymousFunctionInStaticMethod 4{ 5 public static function runAnonymous() 6 { 7 $filter = ['abc124', 'abc123', '123']; 8 9 array_walk( 10 $filter, 11 function (&$val, $key) { 12 $val = preg_replace('|[^0-9]|', '', $val); 13 } 14 ); 15 16 // Should be covered 17 $extravar = true; 18 } 19} 20