/**
* 格式化打印数组
* @param unknown $vars
* @param string $label
* @param string $return
* @return string|NULL
*/
function dump($vars, $label = ‘‘ , $return = false) {
if (ini_get( ‘html_errors‘)) {
$content = "<pre>\n";
if ($label != ‘‘ ) {
$content .= "<strong>{$label} :</strong>\n" ;
}
$content .= htmlspecialchars(print_r($vars, true));
$content .= "\n</pre>\n";
} else {
$content = $label . " :\n" . print_r($vars, true);
}
if ($return) { return $content; }
echo $content;
return null;
}
格式化打印数组函数
原文：http://www.cnblogs.com/mashil/p/6416381.html
