File: tester.txt

a:20:{i:0;a:4:{s:4:"row0";s:14:"Row 0 column 0";s:4:"row1";s:14:"Row 0 column 1";s:4:"row2";s:14:"Row 0 column 2";s:4:"row3";s:14:"Row 0 column 3";}i:1;a:4:{s:4:"row0";s:14:"Row 1 column 0";s:4:"row1";s:14:"Row 1 column 1";s:4:"row2";s:14:"Row 1 column 2";s:4:"row3";s:14:"Row 1 column 3";}i:2;a:4:{s:4:"row0";s:14:"Row 2 column 0";s:4:"row1";s:14:"Row 2 column 1";s:4:"row2";s:14:"Row 2 column 2";s:4:"row3";s:14:"Row 2 column 3";}i:3;a:4:{s:4:"row0";s:14:"Row 3 column 0";s:4:"row1";s:14:"Row 3 column 1";s:4:"row2";s:14:"Row 3 column 2";s:4:"row3";s:14:"Row 3 column 3";}i:4;a:4:{s:4:"row0";s:14:"Row 4 column 0";s:4:"row1";s:14:"Row 4 column 1";s:4:"row2";s:14:"Row 4 column 2";s:4:"row3";s:14:"Row 4 column 3";}i:5;a:4:{s:4:"row0";s:14:"Row 5 column 0";s:4:"row1";s:14:"Row 5 column 1";s:4:"row2";s:14:"Row 5 column 2";s:4:"row3";s:14:"Row 5 column 3";}i:6;a:4:{s:4:"row0";s:14:"Row 6 column 0";s:4:"row1";s:14:"Row 6 column 1";s:4:"row2";s:14:"Row 6 column 2";s:4:"row3";s:14:"Row 6 column 3";}i:7;a:4:{s:4:"row0";s:14:"Row 7 column 0";s:4:"row1";s:14:"Row 7 column 1";s:4:"row2";s:14:"Row 7 column 2";s:4:"row3";s:14:"Row 7 column 3";}i:8;a:4:{s:4:"row0";s:14:"Row 8 column 0";s:4:"row1";s:14:"Row 8 column 1";s:4:"row2";s:14:"Row 8 column 2";s:4:"row3";s:14:"Row 8 column 3";}i:9;a:4:{s:4:"row0";s:14:"Row 9 column 0";s:4:"row1";s:14:"Row 9 column 1";s:4:"row2";s:14:"Row 9 column 2";s:4:"row3";s:14:"Row 9 column 3";}i:10;a:4:{s:4:"row0";s:15:"Row 10 column 0";s:4:"row1";s:15:"Row 10 column 1";s:4:"row2";s:15:"Row 10 column 2";s:4:"row3";s:15:"Row 10 column 3";}i:11;a:4:{s:4:"row0";s:15:"Row 11 column 0";s:4:"row1";s:15:"Row 11 column 1";s:4:"row2";s:15:"Row 11 column 2";s:4:"row3";s:15:"Row 11 column 3";}i:12;a:4:{s:4:"row0";s:15:"Row 12 column 0";s:4:"row1";s:15:"Row 12 column 1";s:4:"row2";s:15:"Row 12 column 2";s:4:"row3";s:15:"Row 12 column 3";}i:13;a:4:{s:4:"row0";s:15:"Row 13 column 0";s:4:"row1";s:15:"Row 13 column 1";s:4:"row2";s:15:"Row 13 column 2";s:4:"row3";s:15:"Row 13 column 3";}i:14;a:4:{s:4:"row0";s:15:"Row 14 column 0";s:4:"row1";s:15:"Row 14 column 1";s:4:"row2";s:15:"Row 14 column 2";s:4:"row3";s:15:"Row 14 column 3";}i:15;a:4:{s:4:"row0";s:15:"Row 15 column 0";s:4:"row1";s:15:"Row 15 column 1";s:4:"row2";s:15:"Row 15 column 2";s:4:"row3";s:15:"Row 15 column 3";}i:16;a:4:{s:4:"row0";s:15:"Row 16 column 0";s:4:"row1";s:15:"Row 16 column 1";s:4:"row2";s:15:"Row 16 column 2";s:4:"row3";s:15:"Row 16 column 3";}i:17;a:4:{s:4:"row0";s:15:"Row 17 column 0";s:4:"row1";s:15:"Row 17 column 1";s:4:"row2";s:15:"Row 17 column 2";s:4:"row3";s:15:"Row 17 column 3";}i:18;a:4:{s:4:"row0";s:15:"Row 18 column 0";s:4:"row1";s:15:"Row 18 column 1";s:4:"row2";s:15:"Row 18 column 2";s:4:"row3";s:15:"Row 18 column 3";}i:19;a:4:{s:4:"row0";s:15:"Row 19 column 0";s:4:"row1";s:15:"Row 19 column 1";s:4:"row2";s:15:"Row 19 column 2";s:4:"row3";s:15:"Row 19 column 3";}}