摘要：<?php$mimetypes = array('ez' => 'application/andrew-inset','hqx' => 'application/mac-binhex40','cpt' => 'application/mac-compactpro','doc' => 'application/msword','bin' => 'application/octet-stream', 阅读全文

摘要：strstr 不错的技巧$aa = "我爸爸是李刚"strstr(($aa,'李刚')); 阅读全文

摘要：使用制表符、换行符的方法 制表符”\t”用户分割同一行中的列，换行符”\t\n”可以开启下一行。 <?php header(”Content-Type: application/vnd.ms-execl”); header(”Content-Disposition: attachment; filename=myExcel.xls”); header(”Pragma: no-cache”); header(”Expires: 0″); /*first line*/ echo “hello”.”\t”; echo “world”.”\t”; echo “\t\n”; /*start of 阅读全文

摘要：$cityname = array_flip($city_DB[name]);//把数组的键和值交换形成了新的数组$city_name = array_search($city_id,$cityname,true);//查找值取得键 阅读全文