php大小写转换解决办法

这篇文章主要为大家详细介绍了php大小写转换简单示例，具有一定的参考价值，可以用来参考一下。

对php大小写转换简单示例对此感兴趣的朋友，看看idc笔记做的技术笔记！

/**
 * 
 * @param 
 * @arrange （www.idcnote.com）
 **/

//大小写转换，u 纯大写, l 纯小写, w 每个单词首字母大写,  s 每句句首字母首字母大写
function PIPHP_CapsControl($text, $type)
{
	switch ($type) {
		case 'u':
			return strtoupper($text);
			break;
		case 'l':
			return strtolower($text);
			break;	
		case 'w':
			$newtext = "";
			$words = explode(" ", $text);
			foreach ($words as $word) {
				$newtext .=ucfirst(strtolower($word)) . " ";
			}
			return rtrim($newtext);
			break;
		case 's':
			$newtext = "";
			$sentences = explode(".", $text);
			foreach ($sentences as $sentence)
				$newtext .= ucfirst(ltrim(strtolower($sentence))) . ". ";
			return rtrim($newtext);
			break;
	}
}
$text="Thankfully The Government Still hasn't discovered a way of slapping a tax on love, sunshine or air.";
echo PIPHP_CapsControl($text, 'u');
echo "<br>";
echo PIPHP_CapsControl($text, 'l');
echo "<br>";
echo PIPHP_CapsControl($text, 'w');
echo "<br>";
echo PIPHP_CapsControl($text, 's');

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