Question

I’m trying to parse a 6,000 line 500 KB file into an array so I can import the data into our system. The problem is that the script stops executing somewhere between lines 3000-4000. There are no breaks in the code, we use it on other imports. Any ideas on why this might be happening and what I can do to prevent it?

/**
 * Takes a seperated value string and makes it an array
 * @param $delimiter string The delimiter to be seperated by, usually a comma or tab
 * @param $string string The string to seperate
 * @return array The resulting array
 */
public function svToArray ($delimiter, $string) {
    $x = 0;
    $rowList = array();
    $splitContent = preg_split("#\n+#", trim($string));
    foreach ($splitContent as $key => $value) {
        $newData = preg_split("#".$delimiter."#", $value);
        if ($x == 0) {
            $headerValues = array_values($newData);
        } else {
            $tempRow = array();
            foreach ($newData as $rowColumnKey => $rowColumnValue) {                                                
                $tempRow[$headerValues[$rowColumnKey]] = $rowColumnValue;
            }
            $rowList[] = $tempRow;
        }
        $x++;
    }
    return $rowList;
}

UPDATE:
Error reporting is enabled. I’ve started using a file that’s only 130KB at 1,500 lines and it does the same thing…

When I add debug code as in the following example nothing echoes at all unless I put an exit after the echo "test<br/>";

public function svToArray ($delimiter, $string) {
    $x = 0;
    $rowList = array();
    $splitContent = preg_split("#\n+#", trim($string));
    echo "test<br/>";
    foreach ($splitContent as $key => $value) {
        $newData = preg_split("#".$delimiter."#", $value);
        if ($x == 0) {
            $headerValues = array_values($newData);
        } else {
            $tempRow = array();
            foreach ($newData as $rowColumnKey => $rowColumnValue) {                                                
                $tempRow[$headerValues[$rowColumnKey]] = $rowColumnValue;
            }
            $rowList[] = $tempRow;
        }
        $x++;
    }
    echo "test";
    $this->tru->debug($rowList);
    exit;
    return $rowList;
}

UPDATE
If I comment out $tempRow[] = $rowColumnValue; then it echoes everything fine….

Answer 1

It appears as though there was too much output to the output buffer, causing the page to show nothing at all.