PHP

Adding static to the front of a variable constitutes a statically variable The difference between a static variable and a normal variable is that the scope of a non-static global variable is the entire source program, and when a source program is

recursive algorithm: is an algorithm that calls itself directly or indirectly. The implementation procedure: completes recursively by writing code directly or indirectly to itself in a function or a subroutine, through a function or a child

Overview of PHP Process Control 1, branch results (conditional structure) One-way branch:if (condition) {//curly braces can be followed without semicolons;# code ...} Two-Way Branchif (condition) {# code ...} else {# code ...} Multi-Channel

PHP is a weak type of language PHP has 8 types of Chinese4 scalar//Only one value can be stored1. Integral type: int integer2. Boolean: BOOL Boolean3. Floating-point type: float,double,real4. Character type: string2 compound types//A variable can

Before PHP5, each PHP framework, if you want to implement the automatic loading of classes, is generally a kind of convention to implement a traversal directory, automatically load all the files that meet the Convention rules of the class or

There are usually three kinds: The code is as follows Copy Code Location:xxxx:yyyy/zzzzContent-type:xxxx/yyyystatus:nnn xxxxxx Common examples 1. Implementation redirection (Status Code 302) The

Code implementation First create the data table, the MySQL SQL statement is as follows: The code is as follows Copy Code CREATE TABLE ' Sess ' (' Sesskey ' varchar not NULL default ',' Expiry ' bigint not NULL default '

I often see people on the Internet to ask how the entire dynamic Web site static, in fact, the implementation of the method is very simple. The code is as follows Copy Code Add Ob_start () at the beginning of your

The code is as follows Copy Code TV tree-like directory $globals ["id"] = 1;$jibie = 1;$sql = "SELECT * from Tvmenu where bid=0";$result =mysql Tutorial _query ($sql, $conn); if (mysql_num_rows ($result) >0)Treemenu ($conn, $result,

1, built-in exception handling class.2. Examples of capturing and handling exceptions.3, the member function of the Exception class GetMessage ().4, the member function of the Exception class GetFile ().5, the member function of the Exception class

function Do_command ($commandName, $args) {$buffer = "";if (false = = ($command = Find_command ($commandName)) return false;if ($fp = @popen ("$command $args", ' R ')) {while (! @feof ($fp)) {$buffer. = @fgets ($fp, 4096);}Return trim

CentOS 7 has been released and uses Apache 2.4 as the default Apache component. I heard that Apache 2.4 Event mode is very good, and the matching mod_proxy_fcgi and PHP has the original support PHP-FPM with the tacit understanding and good

PHP Tutorial Branch structure conditional structure selection structure /** Process Control** First, sequential structure* Second, branch structure--Conditional structure--Select structure* 1. One-way Branch*//Condition bool,true or false,> * IF

First Use PHP tutorial socket function library to create a temporary HTTP server, listening at one end of the port, and then the IP address and port number to notify the client, the client Upload form submission (temporary server), the temporary

Objective PHP is a common open source scripting language, with its syntax mixed with C,java and the syntax of excellent languages such as Perl. In addition, it provides a wide range of function libraries for developers to use. However, if used

The array_search () function is the same as the in_array () function. You can find a key value in the array. If this value is found, the key name of the matching element is returned. If not found, false is returned.If the third parameter strict is

"Fatal error: Call to undefined function" occurs when the program is running.Mb_convert_encoding () "fatal error. This problem is well solved:Open the extension = php_mbstring extension in php. ini.Restart apache.TestFor example:$ Content = iconv

First, literally, None-Thread Safe means non-thread security, and no Thread security check is performed during execution. Thread Safe means thread security, the thread security check is performed to prevent the CGI execution method of the new thread

This function isThe ksort () function sorts the array in ascending order by key name and retains the original key for the array value.The second optional parameter contains an additional sorting flag.If yes, TRUE is returned. Otherwise, FALSE is

Use strcmp () function strings for comparisonInt strcmp (string str1, string str2 ))The str1 and str2 parameters define the two strings to be compared. If they are equal, 0 is returned. If str1 is greater than str2, the return value is greater than 0