PHP LOAD DATA INFILE Error Reading File - php

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So, it was a type of permission error. Earlier in this script, I used flock() on the file to make sure the file wasn't being written to by another script. Removing flock() allows the query to run. Now I just need to determine a way to not load a file if it is still being written to...
I'm having trouble getting LOAD DATA INFILE to work in my php script. Here's the relevant portions of the script:
... //set $host, $user, etc.
$dsn = "mysql:host=$host;dbname=$database";
$pdo = new PDO($dsn, $user, $password, array(PDO::MYSQL_ATTR_LOCAL_INFILE => 1));
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
... //set $sqlFile and $table
$sql = "LOAD DATA INFILE '$sqlFile' REPLACE INTO TABLE `$table`";
echo $sql . "\n";
$rows = $pdo->exec($sql);
Running the script then produces:
LOAD DATA INFILE 'D:/pathToTemp/emdr/emdrorders/emdrorders_160314-1947UTC.txt'
REPLACE INTO TABLE `emdrorders`
[PDOException]
SQLSTATE[HY000]: General error: 2 Error reading file 'D:\pathToTemp\emdr\emdrorders\emdrorders_160314-1947UTC.txt'
(Errcode: 13 - Permission denied)
However, if I run the same query through the mysql cli it works.
mysql> LOAD DATA INFILE 'D:/pathToTemp/emdr/emdrorders/emdrorders_160314-1947UTC.txt'
REPLACE INTO TABLE `emdrorders`;
Query OK, 5487 rows affected (0.10 sec)
Records: 5355 Deleted: 132 Skipped: 0 Warnings: 0
I've also tried using LOCAL, but instead of throwing an exception $pdo->exec() returns 0 and the data is not loaded into the database.
My Mysql is 5.6.12 and PHP is 5.4.16 on a Windows machine and planning to put it on linux server. (I'm also doing this within the Laravel framework but I don't think that would cause this problem.)
Since the query works in the mysql cli but not through php, I can only assume the problem is in the php settings or the pdo. What do I need to change?

Answer 1

What is it that you plan on doing with $rows?
You pass queries through PDO::QUERY or PDO::PREPARE.
I assume from the use of PDOStatement::execute that you wish to use PDO::PREPARE.
$query = $pdo->prepare($sql); $query->execute();
To obtain responses from the query:
$query->fetch() or $query->fetchAll()
See link for documentation on preparing a query in PDO:
http://www.php.net/manual/en/pdo.prepare.php