Create PHP array from MySQL column

Question

mysql_fetch_array will give me an array of a fetched row. What\'s the best way generate an array from the values of all rows in one column?

Answer 1

$result = mysql_query("SELECT columnname FROM table WHERE x=y");

$columnValues = Array();

while ( $row = mysql_fetch_assoc($result) ) {

  $columnValues[] = $row['columnname'];

}