PHP读取CSV文件类如何改写为长尾？

本文共计228个文字，预计阅读时间需要1分钟。

php

function readCSV($fh, $len, $delimiter=',', $enclosure='') { $data=array(); $fieldNr=0; $state=CSV_START; $data[0]=;

do { $char=fgetc($fh); switch ($state) { case CSV_START: if ($char===$enclosure) { $state=CSV_QUOTED; $data[$fieldNr]=; } elseif ($char===$delimiter) { $fieldNr++; $data[$fieldNr]=; } elseif ($char===\n) { $fieldNr++; $data[$fieldNr]=; } else { $data[$fieldNr] .=$char; } break; case CSV_QUOTED: if ($char===$enclosure) { $state=CSV_QUOTED2; } else { $data[$fieldNr] .=$char; } break; case CSV_QUOTED2: if ($char===$enclosure) { $state=CSV_START; } else { $data[$fieldNr] .=$char; } break; case CSV_UNQUOTED: if ($char===$delimiter) { $fieldNr++; $data[$fieldNr]=; $state=CSV_START; } elseif ($char===\n) { $fieldNr++; $data[$fieldNr]=; } else { $data[$fieldNr] .=$char; } break; } } while ($char !==false && $fieldNr < $len);

return $data;}?>

<?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; } ?>