1st: ARRAY(0x7fd4bb012010)
2nd: ARRAY(0x7fd4bb02f768)
3rd: ARRAY(0x7fd4bb0120a0)
4th: ARRAY(0x7fd4bb012028)
5th: ARRAY(0x7fd4bb012070)
6th: ARRAY(0x7fd4bb02f648)
7th: ARRAY(0x7fd4bb045e80)
8th: ARRAY(0x7fd4bb0462e8)
9th:
10th: 
11th: 
12th :

Use of uninitialized value $array1[8] in concatenation (.) or string
Use of uninitialized value $array1[9] in concatenation (.) or string
Use of uninitialized value $array1[10] in concatenation (.) or string
Use of uninitialized value $array1[11] in concatenation (.) or string