PHP常用方法总结

对工作中常用的方法进行小结，以便后续查找。

";
        print_r($data);
        echo "

"; if($is_exit) exit(); } } // 1.获取根目录,由后往前推 define("ROOT_PATH",substr(__FILE__,0,strlen(__FILE__)-17)); // 应用根目录 rtrim "test/fun_test.php" dump(ROOT_PATH); // 打印 /Applications/XAMPP/xamppfiles/htdocs/web/camel/shop_wms/ // 2.设置include_path set_include_path(get_include_path(). PATH_SEPARATOR . ROOT_PATH); //设置include path，包含文件可忽略ROOT_PATH部分 // 3.定义分隔符常量 define("DS", DIRECTORY_SEPARATOR); // 4.根据文件名获取类名和扩展名 dump("========4.根据文件名获取类名和扩展名============"); $impl_file = "/web/camel/shop_wms/test/hello.class.php"; list($impl_class, $ext) = explode(".", basename($impl_file), 2); // array explode ( string $delimiter , string $string [, int $limit ] ) // 如果设置了 limit 参数并且是正数，则返回的数组包含最多 limit 个元素，而最后那个元素将包含 string 的剩余部分。 dump($impl_class); // 打印：hello dump($ext); // 打印：class.php // 5.标准对象 dump("======== 5.标准对象 ============"); $objitem = new stdClass(); $objitem->file = "test/hello.class.php"; // 动态的分配属相 $objitem->class = "hello"; dump($objitem); // 6.从路径解析参数 dump("======== 6.从路径解析参数 ============"); if(DS=="") { // windows 环境下 $app_script_file = str_replace("/", DS, $_SERVER["SCRIPT_FILENAME"]); } else { $app_script_file = $_SERVER["SCRIPT_FILENAME"]; } dump($app_script_file); // 打印：/Applications/XAMPP/xamppfiles/htdocs/web/camel/shop_wms/test/fun_test.php // 这里将 $app_script_file 写死： $app_script_file = "/Applications/XAMPP/xamppfiles/htdocs/web/camel/shop_test/shop_api/boot/req_init.php"; $cnt = strlen(ROOT_PATH); $file_path = substr($app_script_file, $cnt, strlen($app_script_file) - $cnt); list($app_name, $other) = explode(DS, $file_path, 2); dump($app_name); // test dump($other); // fun_test.php // D:/xampp/php/php.exe -f D:/xampp/htdocs/shop/shop_api/webservice/web/index.php app_fmt=json app_act=taobao_api/taobao_trades_sold_get_all sd_id=4 start_modified="2012-09-01 00:00:00" end_modified="2012-09-11 00:00:00" $cnt = strlen("web".DS."app".DS); // /etast/shop_api/webservice/web/app/taobao_api.php // 7.路径数据过滤 dump("======== 7.路径数据过滤 ============"); $pathgrp = "/women/hek8dso*jid/heloid.php"; $pathgrp = preg_replace("/[^a-z0-9_/]+/i", "", $pathgrp); dump($pathgrp); // /women/hek8dsojid/heloidphp $rpos=strrpos($pathgrp,"/"); dump($rpos); // 17 if($rpos!==false){ $path=substr($pathgrp, 0, ++$rpos); dump($rpos); dump($path); // /women/hek8dsojid/ $grp=substr($pathgrp,$rpos,strlen($pathgrp)-$rpos); } else $grp=$pathgrp; dump($grp); // heloidphp // 8.用户定义的错误处理函数 dump("======== 8.用户定义的错误处理函数 ============"); // 用户定义的错误处理函数 function myErrorHandler($errno, $errstr, $errfile, $errline) { echo "Custom error: [$errno] $errstr
"; echo " Error on line $errline in $errfile
"; } // 设置用户定义的错误处理函数 set_error_handler("myErrorHandler"); $test=2; // 触发错误 if ($test>1) { trigger_error("A custom error has been triggered"); } // 打印： /** Custom error: [1024] A custom error has been triggered Error on line 105 in /Applications/XAMPP/xamppfiles/htdocs/web/camel/shop_wms/test/fun_test.php */ // 9.解析路径数据 dump("======== 9.解析路径数据 ============"); function get_path_grp_act($action,&$path,&$grp,&$act){ if(! $action) return; $action = str_replace("","/",$action); //如果是openapi接口 if(strpos($action, "efast") === 0) { $action = preg_replace("/[^a-z0-9_.]+/i", "", $action); $action = str_replace("..",".",$action); $action = preg_replace("/./","/",$action,1); $action = str_replace(".","_",$action); } else { $action = preg_replace("/[^a-z0-9_/]+/i", "", $action); } $path=$grp=NULL; $rpos=strrpos($action,"/"); if($rpos!==false){ $pathgrp=substr($action,0,$rpos); $act=substr($action,$rpos+1,strlen($action)-$rpos); $rpos=strrpos($pathgrp,"/"); if($rpos!==false){ $path=substr($pathgrp,0,++$rpos); $grp=substr($pathgrp,$rpos,strlen($pathgrp)-$rpos); }else $grp= $pathgrp; }else $act=$action; } $path=$grp=$act=NULL; $action = "taobao_api/item_quantity_sync"; get_path_grp_act($action, $path, $grp, $act); echo "path=".$path; echo "
"; echo "grp=".$grp; echo "
"; echo "act=".$act; echo "
"; 结果打印： path=
grp=taobao_api
act=item_quantity_sync
// 10.调用 POST 方法 // shop_test/moudle/openapi/OpenAPIOperatingBase.php