php快来迎接老子大驾

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http://magius.blogbus.com/logs/11486136.html

    格式：
[@str_replace("要替换的旧内容", "要取代原内容的新字符", $被替换内容的变量名)]
[@str_replace(array('旧1','旧2','旧3'), array('新1','新2','新3'), $被替换内容的变量名)]
[@str_replace(array('旧1','旧2','旧3'), '新内容', $被替换内容的变量名)]
实例：
多对一替换：想把内容字段里所有的

 

标签清除掉,替换成空

[@str_replace(array('

','

'), '', $Content)]
一对一替换：想把内容字段里所有的
标签换成

 

[@str_replace('
', '

', $Content)]
多对多替换：想把内容字段里的
换成
, 同时

换

---

，把全清除

[@str_replace(array('
', '

','

'), array('
','

---

',''), $Content)]

// Provides:
$bodytag = str_replace("%body%", "black", "");
echo $bodytag;
// Provides: Hll Wrld f PHP
$vowels = array("a", "e", "i", "o", "u", "A", "E", "I", "O", "U");
$onlyconsonants = str_replace($vowels, "", "Hello World of PHP");
echo $onlyconsonants;
// Provides: 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);
echo $newphrase;
// Use of the count parameter is available as of PHP 5.0.0
$str = str_replace("ll", "", "good golly miss molly!", $count);
echo $count; // 2
$str="

this is test

this.

hello

";
print str_replace(array('

','

','
'),array('
','

---

',''),$str)
?>

php 的sub_replace函数对应的js函数为
String.prototype.replaceAll = function(search, replace){
var regex = new RegExp(search, "g");
return this.replace(regex, replace);
} 
var str = '

asfdafd

asfdafd

asfdafd

';
alert(str.replaceAll('', '
'));
该文章转载自脚本之家：http://www.jb51.net/html/200704/66/9727.htm