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php中字符串中某一个字符的轮换

WBOY
WBOYOriginal
2016-06-13 12:58:52636browse

php中字符串中某一个字符的替换
例如:$author="|脑瘫|小儿脑瘫的原因|脑瘫先天性因素|"

修改为:$author="脑瘫,小儿脑瘫的原因,脑瘫先天性因素"

具体是去掉首位的|   中间的换成,

大神快点帮我解决下  PHP初学者

在线等!!!!
------解决方案--------------------
$author = str_replace('
------解决方案--------------------
', ',', trim($author, '
------解决方案--------------------
'));

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