分享php中几个字符函数小结_PHP教程

下面小结PHP中的几个字符函数， 小结一下：

1）ucfirst
将首字母变大写，比如
$string = "this is my web development blog";

echo ucfirst($string);

// Output: This is my web development blog

2) lcfirst,将首字母变小写
$string = "This is my Web Development Blog";

echo lcfirst($string);

// Output: this is my Web Development Blog

3）strtoupper,将整个字符串变大写
$string = "this is my web development blog";

echo strtoupper($string);

// Output: THIS IS MY WEB DEVELOPMENT BLOG

4）strtoplower，将整个字符串变小写
$string = "tHiS is mY WeB DevElOpMenT bLoG";

echo strtolower($string);

// Output: this is my web development blog

5）ucwords(),可以将句子中每个单词的第一个字母变大写，比如
$string = "this is my web development blog";

echo ucwords($string);

// Output: This Is My Web Development Blog

http://www.bkjia.com/PHPjc/478433.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/478433.htmlTechArticle下面小结PHP中的几个字符函数， 小结一下： 1）ucfirst 将首字母变大写，比如 $string = this is my web development blog; echo ucfirst($string); // Output: Th...