php阅读csv文件类

php处理csv文件类:

http://www.php100.com/cover/php/540.html

<?php 

define("CSV_Start",    0);
define("CSV_Quoted",   1);
define("CSV_Quoted2",  2);
define("CSV_Unquoted", 3); 

function readCSV($fh, $len, $delimiter = ',', $enclosure = '"') {
    $data = Array();
    $fildNr = 0;
    $state = CSV_Start; 

    $data[0] = ""; 

    do {
        $line = fgets($fh, $len);
        for ($ix = 0; $ix < strlen($line); $ix++) {
            if ($line[$ix] == $delimiter) {
                if ($state != CSV_Quoted) {
                    $fildNr++;
                    $data[$fildNr] = "";
                    $state = CSV_Start;
                } else {
                    $data[$fildNr] .= $line[$ix];
                }
            } elseif ($line[$ix] == $enclosure) {
                if ($state == CSV_Start) {
                    $state = CSV_Quoted;
                } elseif ($state == CSV_Quoted) {
                    $state = CSV_Quoted2;
                } elseif ($state == CSV_Quoted2) {
                    $data[$fildNr] .= $line[$ix];
                    $state = CSV_Quoted;
                } else {
                    $data[$fildNr] .= $line[$ix];
                }
            } else {
                $data[$fildNr] .= $line[$ix];
                if ($state == CSV_Quoted2) {
                    echo "error";
                } elseif ($state == CSV_Start) {
                    $state = CSV_Unquoted;
                }
            }
        }
    } while ($state == CSV_Quoted); 

    return $data;
} 

?>

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