php删除字符串中的空格的方法：首先创建一个PHP示例文件；然后通过“function trimall($str){$qian=array(" "," "," "," "," ");}”方法删除字符串中的空格即可。
推荐：《PHP视频教程》
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
php代码
function trimall($str)//删除空格
{
$qian=array(" "," "," ","
","
");
$hou=array("","","","","");
return str_replace($qian,$hou,$str);
}