array2csv.php

<?php
/*
	Example:
		$arr = array(
			'a' => '123',
			'b' => '456',
		);
		$csv = iconv('UTF-8','CP950//IGNORE',tai_array2csv($arr));
	
	參考： https://gist.github.com/3422591
*/

	function tai_array2csv($fields, $delimiter = ',', $enclosure = '"', $lineseparate = "\r\n")
	{
		$csvstr = '';
		foreach( $fields as $d )
		{
			if(strlen($csvstr) != 0) $csvstr .= $delimiter;
			$d = str_replace($enclosure, $enclosure.$enclosure, $d);
			
			if ( strpbrk($d, " \t\n\r".$delimiter.$enclosure.$lineseparate)!==false || strpos($d, 0)!==false ) {
				$csvstr .= $enclosure.$d.$enclosure;
			} else {
				$csvstr .= $d;
			}
		}
		return $csvstr . $lineseparate;
	}
?>