[root@swaggserver-01 httpd]# cat access_log-20191* | awk '$7 ~/\.php/ {print $4}' | sort | uniq -c | sort -r | head
     13 [27/Nov/2019:16:18:08
     12 [26/Nov/2019:17:36:17
     12 [24/Nov/2019:05:20:51
     11 [23/Nov/2019:00:48:57
      8 [23/Nov/2019:01:49:10
      7 [23/Nov/2019:01:49:11
      7 [23/Nov/2019:00:48:58
      6 [26/Nov/2019:17:36:18
      6 [24/Nov/2019:19:02:19
      6 [24/Nov/2019:05:20:50
[root@swaggserver-01 httpd]# cat access_log-20191* | awk '$7 ~/\.php/ {print $4}' | sort | uniq -c | sort -r | tail
      1 [01/Dec/2019:00:55:58
      1 [01/Dec/2019:00:55:57
      1 [01/Dec/2019:00:55:03
      1 [01/Dec/2019:00:54:40
      1 [01/Dec/2019:00:54:20
      1 [01/Dec/2019:00:52:48
      1 [01/Dec/2019:00:52:40
      1 [01/Dec/2019:00:52:34
      1 [01/Dec/2019:00:52:16
      1 [01/Dec/2019:00:52:13