01c05-1.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 36 行

<?php
// Generate a function to parse CSV strings,
//  with configurable delimiters and quote characters
function parse_csv($string, $delim = ',', $quote='"') {
	// First clean up any double-quotes, our algorithm doesn't need them:
	$new = str_replace("{$quote}{$quote}", $quote, $string);
	
	// Grab all matches
	$matches = array();
	preg_match_all("/\s*({$quote}?)(.*?)\\1\s*(?:{$delim}|$)/", 
		$new, $matches);

	// matches[2] holds our answers but will always grab one too many 
	// matches with the final match being blank.  Remove it then return:
	array_pop($matches[2]);
	return $matches[2];
}

$str = 'comma, "separated ""values""", are   , "shown, here", "for\nyou " ';

// Parse the string into values:
$values = parse_csv($str);

// Echo out the array, displays the following:
// Array
// (
//     [0] => comma
//     [1] => separated "values"
//     [2] => are
//     [3] => provided, here
//     [4] => for\nyou 
// )
echo '<pre>';
print_r($values);
echo '</pre>';
?>