PHP

Method One: Using the built-in functions in PHP (for versions prior to 5.1)//1. Build the connection $conn=mysql_connect("localhost", "root", "" "); //2. Select the Operational database mysql_select_db("Today",$conn); //3. Write SQL statements

1 Public functionGet_search ($page=1){2 $slide=$_post[' Slide '];3 $page=Trim($page);4 $arr=$this->m->get_all ("Select a.* from ' Lx_z_news ' as a where a. ' title ' like '% ').$slide." % ' UNION ALL SELECT b.* from ' lx_z_product ' as B

Addslashes and mysql_real_escape_string are all filtering to make the data safe to insert into the database, so what is the difference between these two functions?First, let's start with the PHP manual: The addslashes escaped characters in

How does PHP read the CSV large file and import the database?For millions of data volumes of CSV file, the file size may reach hundreds of m, if simply read, it is likely to have a time-out or a card-dead phenomenon.Batch processing is necessary in

To use PHP to generate a MySQL data dictionary export, use the following code will$mysql _conn = mysql_connect ("$dbserver", "$dbusername", "$dbpassword") or Die ("MySQL Connect is error.");Running the php5.5.12 version will

Singleton mode (duty mode):Simply put, an object (before learning design patterns, need to understand the object-oriented thinking) is only responsible for a specific task;Singleton class:1. The constructor needs to be marked as private (access

The 1.array_combine () function creates a new array by merging two arrays, one of which is the key name and the value of the other array is the key valueArray_combine (keys,values);The number of elements in the key an array group and the key value

The function prototype for Array_map () is: array array_map (callback callback, array arr1 [, array ...])array_map () returns an array that contains all the cells in the cell after it has been arr1 callback worked. callback The number of arguments

Recently, because of the need to encapsulate a jar package for PHP calls, search on the internet, basically is to use Php-java-bridge, to tell the truth, the online tutorial has a lot of is not good, but Kung fu is not negative, found an article,

PHP$nation=Array( Array(' n001 ', ' Han '),Array(' n002 ', ' Han '),Array(' n003 ', ' Manchu '),Array(' n004 ', ' Miao '),Array(' n005 ', ' Uighur ') ); Echo""; Echo" Code name "; for($i= 0;$iCount($nation);$i++) { Echo"

JS encryption code as follows                  The decryption code for  php is as follows    Personal Learning Retention JS encrypted ciphertext let PHP decrypt (AES algorithm)

functionStr_split_unicode ($str,$l= 0) { if($l> 0) { $ret=Array(); $len= Mb_strlen ($str, "UTF-8"); for($i= 0;$i$len;$i+=$l) { $ret[] = Mb_substr ($str,$i,$l, "UTF-8"); } return $ret; } return Preg_split("//u",$str,-1,

Two types of PHP sending methodsIn many PHP programs usually need to send e-mail such as discuz need to choose sendmail Letter, WordPress comment reply need to send a letter, however, there are two different ways of sending mail. One is to send the

PHP programmers and swoole programmers crying by swoole This article mainly records the process of swoole learning, the traps filled in, and how powerful swoole is! First, let's take a look at swoole's understanding: C Programs dressed in PHP. Many

Create ThinkPHP labels and ThinkPHP labelsThe default tag parser of thinkphp is in Lib/Template/TagLib/TagLibCx. the class defines the tags of commonly used thinkphp such as volist php. Here I add a tag parsing label format in this class: label

File_get_contents cannot get the webpage content. filegetcontents The server often needs to obtain the information of a user from the channel server during the authentication process. There are generally two methods: curl and file_get_contents. In

Smarty template technology, smarty Template 1. What is smarty?Smarty is a php template engine written using php. It provides the separation of logic and external content. In short, it aims to separate php programmers from the artist, changing the

20 key points of PHP programming efficiency and php programming efficiency Use single quotes instead of double quotes to include strings, which is faster. Because PHP will search for variables in strings enclosed by double quotes, but not in single

Php loops and references Code on $arr = array( 'a'=> 'a11', 'b'=> 'b22', 'c'=> 'c33',); foreach ($arr as $k=>&$v){ // Do somethind}foreach ($arr as $k=>$v){ var_dump($v);} What Will var_dump output with such code? You can try

Array_merge discards the key of the original number, retains the key in the string form, and then forms a new array. no matter whether the key name is the same or not, it is not merged, keys in the string format must be merged unless the key name