前两个函数是输出字符串.字符串中如果有变量名则被替换成其值. 后两个函数类似于C的同名函数.

  (2)strchr,strlen,strtok,strrchr,strrev,strstr,strtolower, strtoupper,substr,ucfirst
  头位置是 从0算起的.如果是负数,则是从尾部向前数的意思.




  将字符串中的HTML特殊字符换成它们的名字,例如"< "变成"<".

  在字符串中的每一个回车前面加上"< BR>".


  生成$a与$b两个变量,值分别为1,2. 如果有两对名字/值的名字部分相同,则后一个的值覆盖前一个的. 如果这两对的名字尾部都有"",例如"a=1&a=2",则生成数组$a,两个元素分别为1,2

技术大类 » PHP/JS/Shell | 评论(24) | 引用(0) | 阅读(20289)
2012-5-21 14:43
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