column of csv to array php

1$csv = array_map("str_getcsv", file("data.csv", "r")); 
2$header = array_shift($csv); 
3// Seperate the header from data
4
5$col = array_search("Value", $header); 
6 foreach ($csv as $row) {      
7 $array[] = $row[$col]; 
8}
9

1$csv = array_map('str_getcsv', file('data.csv'));