trimmp3 ,javascript ,php ,vb ,mp3 下载函数,asp , request,java , ------trim ------trim (php 3, php 4 >= 4.0.0) (php 3, php 4 >= 4.0.0) trim--去除一个字符串开始和结尾的空白 trim-- qu chu yi ge zi fu chuan kai shi he jie wei de kong bai string trim(string str [, string trim(string str [, string charlist]) string charlist]) 注意：第二个参数用在php 4.1.0 zhu yi di er ge can shu yong zai php 4.1.0 这个函数返回str字符串被去除首尾空白后的新字符串。不带第二个参数trim() zhe ge han shu fan hui str zi fu chuan bei qu chu shou wei kong bai hou de xin zi fu chuan bu dai di er ge can shu trim() 将去除下列字符： jiang qu chu xia lie zi fu " " (ascii 32 (0x20)), 空格； " " (ascii 32 (0x20)), kong ge "\t" (ascii 9 (0x09)), 制表符； "\t" (ascii 9 (0x09)), zhi biao fu "\n" (ascii 10 (0x0a)), 换行符； "\n" (ascii 10 (0x0a)), huan hang fu "\r" (ascii 13 (0x0d)), 回车符； "\r" (ascii 13 (0x0d)), hui che fu "\0" (ascii 0 (0x00)), 空字符； trimmp3 ,javascript ,php ,vb ,mp3 下载函数,asp , request,java , "\0" (ascii 0 (0x00)), kong zi fu trimmp3 ,javascript ,php ,vb ,mp3 xia zai han shu ,asp , request,java , "\x0b" (ascii 11 (0x0b)), "\x0b" (ascii 11 (0x0b)), 垂直制表符。 chui zhi zhi biao fu <? <? $text = "\t\tthese are a few words :) ... $text = "\t\tthese are a few words :) ... "; "; $trimmed = trim($text); $trimmed = trim($text); // $trimmed = "these are a few words :) ..." // $trimmed = "these are a few words :) ..." $trimmed = trim($text," \t."); $trimmed = trim($text," \t."); // $trimmed = "these are a few words :)" // $trimmed = "these are a few words :)" $clean = trim($binary,"\0x00..\0x1f"); $clean = trim($binary,"\0x00..\0x1f"); ?> ?> trimmp3 ,javascript ,php ,vb ,mp3 下载函数,asp , request,java ,