php str_replace()函数

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本文介绍了使用PHP进行字符串处理的方法，重点展示了如何通过str_replace函数来实现特定文本的替换操作，包括改变HTML元素颜色、去除元音字母及批量替换健康食品词汇。

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// 赋值: <body text='black'>
$bodytag = str_replace("%body%", "black", "<body text='%body%'>");

// 赋值: Hll Wrld f PHP
$vowels = array("a", "e", "i", "o", "u", "A", "E", "I", "O", "U");
$onlyconsonants = str_replace($vowels, "", "Hello World of PHP");

// 赋值: You should eat pizza, beer, and ice cream every day
$phrase = "You should eat fruits, vegetables, and fiber every day.";
$healthy = array("fruits", "vegetables", "fiber");
$yummy = array("pizza", "beer", "ice cream");

$newphrase = str_replace($healthy, $yummy, $phrase);

// 赋值: 2
$str = str_replace("ll", "", "good golly miss molly!", $count);
echo $count;