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getCol / PgetCol

Executes the SQL and returns all elements of the first column as a 1-dimensional array.

If an error occurs, false is returned.

Parameters

getCol($sql)
$sql:The MySQL query to perfom on the database.

Prepared statements Parameters

PgetCol($sql, $varN)
$sql:The MySQL query to perfom on the database
$varN:The variable(s) that will be placed instead of the ? placeholder separated by a ',' or it can be the method Prepare.

Example

Output of print_r($rs):