read a column csv php code example

Example 1: column of csv to array php

$csv = array_map("str_getcsv", file("data.csv", "r")); 
$header = array_shift($csv); 
// Seperate the header from data

$col = array_search("Value", $header); 
 foreach ($csv as $row) {      
 $array[] = $row[$col]; 
}

Example 2: php csv

// output headers so that the file is downloaded rather than displayed
header('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename=data.csv');

// create a file pointer connected to the output stream
$output = fopen('php://output', 'w');

// output the column headings
fputcsv($output, array('Column 1', 'Column 2', 'Column 3'));

// fetch the data
mysql_connect('localhost', 'username', 'password');
mysql_select_db('database');
$rows = mysql_query('SELECT field1,field2,field3 FROM table');

// loop over the rows, outputting them
while ($row = mysql_fetch_assoc($rows)) fputcsv($output, $row);