PHP Tutorials

PHP supports a variable number of parameter lists in user-defined functions. In php5.5 and earlier versions, the Func_num_args (), Func_get_arg (), and Func_get_args () functions were implemented. Output: 1aArray ( [0] = a) 31Array ( [0] = 1

return value of the function The function in PHP has a return value, and no return returns null (1) Return statement From the Zend/zend_language_parser.y file, you can confirm that the Zend_do_return function is called by its generated intermediate

Mod_gzip is an Apache module whose function is to compress static HTML pages using gzip, and the browser that adheres to the IETF standard can accept gzip encoding (IE, Netscape, etc.). Mod_gzip can increase the download time of the page by up to 4-5

first, clear the output sequence of PHP 1. Open the PHP output cache:Echo,print, PHP output_buffring, server buffering, browser buffering display2. The PHP output cache is not open:Echo,print, server buffering, browser buffering, browser

The foreach syntax structure is used to iterate through an array. foreach () The PHP foreach () syntax structure is used to traverse an operation or an output array, and foreach () can only be used to iterate over an array or an object, resulting

php in the userCustom functions A variable number of parameter lists are supported in the In php5.5 and earlier versions, the Func_num_args (), Func_get_arg ( ), and Func_get_args () functions were implemented. Output: 1aArray ( [0] = a) 31Array

The flush () function sends all the output of the program so far to the user's browser. 0; $i-) {echo $i; flush (); sleep (1);}?> According to the PHP manual,This function sends all the output of the program so far to the user's browser.The above

Loop control Statements Conditional control statements, which can execute different statements depending on the condition selection. But sometimes you need to reuse a piece of code or function. While Loop statement The while loop is the simplest

Break is used in the various loops and switch statements mentioned above. His role is to jump out of the current syntax structure and execute the following statement. The break statement can take a parameter n, which indicates the number of layers

conditional control statements mainly have if, If...else, ElseIf and switch4 species. ElseIf, as implied by this name, is the combination of if and else. As with else, it extends the IF statement and can execute a different statement if the

In a large Web project, Include_path is fundamental to a modular design (and of course, there are many autoload-based designs that do not affect this article), but precisely because of Include_path, It often leads us to a seemingly "bizarre" problem

What is a buffer? Simply put, the function of the buffer is to put the input or output of the content into the memory, and not display or read. As to why there is a buffer, this is a very broad problem, if interested, you can find the information in

/** * AUTHOR:RDP * my mail:abel1314520@gmail.com * my blog: http://blog.teamhaka.com */ Note: The following instructions apply to include, include_once, require, require_once. The examples are basically a.php containing nested inclusions that

1. Logical operations always return TRUE or false (note to people who write more JavaScript), logical operator precedence from high to low for &&, | |, and, or, short-circuit effects of logical operators can be used in statements, but remember they

In PHP with the header ("location:test.php") to jump to pay attention to the following points, to help solve some of the problems novice often encountered 1, location and ":" No space between, otherwise it will be wrong. 2, before using the header

1. Receive the contents of the URL Public Function Newstype (Request $request) { $url = $request->url (); $isfirst = input (' Isfirst '); $uid = input (' token '); } 　 A. To have the nowtime inside the $news replaced

Loop structure one, while Loop while (expression) { loop-body;//execute repeatedly until expression is false} Code: $index = 1;while ($index Operation Result:Number is 1Number is 2Number is 3Number is 4DoneSecond, do and loop Do {

The loop structure in PHP has roughly a for loop, while loop, do{} while loop, and several foreach loops, regardless of the loop, there are several ways to jump out of a loop in PHP: Code: '; } $i + +;} Exit;echo ' here does not output ';? >

For loop just a little bit more code while looping it to it. And the common task of a cycle involved is: 1. Set the initial value of some counter variables.2. Please check that the condition statement is correct.3. The code loop in execution.4.

PHP Introductory tutorial operator and control structure process, combined with the example of a detailed analysis of PHP basic assignment, self-increment, comparison, trinocular operator and IF statements, switch statements, for statements and