第一种:
<?php ?$str="this is a test n"; $patten = array("rn", "n", "r"); ?//先替换掉rn,然后是否存在n,最后替换r $str=str_replace($order, "", $str); ?>
/* * 获得用户操作系统的换行符,n * @access public * @return string */ function get_crlf() { if (stristr($_SERVER['HTTP_USER_AGENT'], 'Win')) { $the_crlf = 'rn'; } elseif (stristr($_SERVER['HTTP_USER_AGENT'], 'Mac')) { $the_crlf = 'r'; // for old MAC OS } else { $the_crlf = 'n';//权重大一点 }eturn $the_crlf; }
$text=str_replace("n","",$text); $text=str_replace("r","",$text); $text=str_replace("rn","",$text);
$order = array("rn", "n", "r"); $replace = ''; $text=str_replace($order, $replace, $text);
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