php reference

Official documents:1. What is a quote: http://www.php.net/manual/zh/language.references.whatare.php2. What to do: http://www.php.net/manual/zh/language.references.whatdo.php3. Reference delivery: http://www.php.net/manual/zh/language.references.pass.

This example describes the invocation method of a PHP reference. Share to everyone for your reference, specific as follows: Example 1: function test ($arr) {} echo Test (& $arr); Example 2: Function test (& $arr) {} echo Test

Class Ren {public $name; public $sex; function __construct ($n, $s) {$this->name = $n;    $this->sex = $s; } function __clone () {$this->name = "John Doe";//this represents the Replica object $this->sex = "Lisi";//this represents the original, then

The reference in PHP means that different names access the same variable content.The pointer in the C language is different from the pointer in the C language. The pointer in the C language stores the address where the variable content is stored in

Analysis of strange PHP reference efficiency issues. Function: Copy the code as follows: functionupdate_timelist ($ arr [timequeue]; while (! Empty ($ timequeue [0]) ($ timestamp-$ timequeue [0]) $ threshold) {array_shift ($ timequeue);} function a

Php reference address to change the variable value. Copy the code as follows :? Php $ fooBob; assign Bob to $ foo $ bar and reference $ fooecho $ foo.br through $ bar; $ barMynameis $ bar; modify the $ bar variable echo $ bar. The code is as

PHP reference is a bad habit. Copy the code as follows: functionbinsearch ($ highcount ($ arr); while ($ low $ high) {$ midfloor ($ low + ($ high-$ low) 2 ); $ item $ arr [$ mid] [$ key]; if ($ item $ value ){ The code is as follows: Function

Understand PHP reference count and write-time replication. Php uses copy-on-write to manage the memory. Reference computation ensures that the memory is returned to the operating system when the reference is no longer needed. During writing, copy-on-

Php references (that is, adding the & amp; symbol before variables, functions, and objects) in PHP mean that different names access the same variable content. The pointer in the C language is different from the pointer in the C language. the pointer

Php reference for generating html static pages //////// // // Zhang Shulin-Huijia Studio // // Module Name: woods-bhtml.php // Abstract: generate the end of the static HTML processing

A reference to PHP is to precede variables or functions, objects, etc. with & symbols. The reference in PHP means: Different names access the same variable content. There is a difference between pointers in C and C, where the contents of a variable

In my previous article: SHOPNC Mall Source Reading notes-The opening overview, encountered a PHP reference value caused by the error, the situation is as follows:When I check the English version of the official PHP document

We know that there is a concept of package in Java, and in. NET there is a more convenient concept of DLL assembly references, which can be easily referenced in our own class by a collection of objects that are grouped together in a packaged form,

Ignored magic-delay value assignment for php reference (late data Delay Binding) and value assignment binding I am talking about the variable reference feature of php today, but what is the problem of delayed assignment? This is mainly an idea I

Php reference count and variable referenceEach php5.5 variable is stored in a variable container named zval. A zval variable container not only contains the type and value of the variable, but also contains two additional Bytes: 1. The first is

PHPclassTalker {Private $data= ' Hi '; Public function& Get () {//The return value points to a content, here is the content that points to $data,//test: If the function name is not preceded by &, the code executed below final output: Hihihihi

 Referencing in PHP means accessing the same variable content with different names. This is not like the pointers of C. They are symbol table aliases. Note that in PHP, the variable name and variable content are different, so the same content can

What are the PHP reference books? Please ask what types of books are on the board. For example, the computer as a server in the form of Yifi can be used to do the receiving of information or exchange of information between the motion Ditto in 3G

Global variables in PHP reference problems in multiple files Ask us a question: Can not be defined in a PHP file global variables, B PHP file Reference and assignment, C PHP file Reference and access, I test it seems not possible. b, you can only

What is a reference?Referencing in PHP means accessing the same variable content with a different name. This is not like the C pointer, instead, the reference is the symbol table alias. Note that in PHP, variable names and variable contents are not