Fatal error: Uncaught ArgumentCountError: preg_filter() expects at least 3 arguments, 1 given in /in/7jJiC:2
Stack trace:
#0 /in/7jJiC(2): preg_filter('/_(\\d{6})\\.txt/')
#1 {main}
thrown in /in/7jJiC on line 2
Process exited with code 255.
Warning: preg_filter() expects at least 3 parameters, 1 given in /in/7jJiC on line 2
NULL
string(0) ""
array(2) {
[0]=>
string(14) "foo_123456.txt"
[1]=>
string(11) "test_525532"
}