php删除字符串中的所有空格
php删除字符串中的所有空格其实是对trim函数的扩展
trim只能删除字符串两边的空格
function trimall($str)//删除空格 { $qian=array(" "," ","\t","\n","\r");$hou=array("","","","",""); return str_replace($qian,$hou,$str); }
function trimall($str)//删除空格 { $qian=array(" "," ","\t","\n","\r");$hou=array("","","","",""); return str_replace($qian,$hou,$str); }
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