<?php
$string=" My dog is very clever ";
echo "原字符串长度:".strlen($string)."字符<br>";
$s1=chop($string);
echo "去掉末端空格:".strlen($s1)."字符<br>";
$s2=trim($string);
echo "去掉首尾空格:".strlen($s2)."字符<br>";
$s3=ltrim($string);
echo "去掉前端空格:".strlen($s3)."字符<br>";
?>
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2008-12-5 15:46
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