PHP

Interface style I was referring to a foreign album website, change is not big, just convert the birds into Chinese, and upload the style also made changes, the reason for this choice is that I am easy to do extension, it supports 3 ways to add

Server-side include (small industry) used to create features, headers, footers, or content that will be reused for multiple pages.Server-side IncludeYou can insert the contents of the file into the PHP file before the server executes it, with the

You know how to build a file. You know how to open a file in a variety of different ways. You don't even know how to read and write data from a file!Now is the time to learn how to destroy (delete) files. Files deleted in PHP are interrupted by

This tutorial is about the difference between a do and a while when the loop is commonly used in PHP programming, while when the condition is true and the do is executed at least, let's take a look at do { }while (condition) Look at the example

PHP strptime () function tutorial Definitions and usageThe strptime () function resolves a time/date generated strptime (). This function returns an array of date profiling. The key to return the array is: [Tm_sec]-SEC (0-61)[Tm_min]-min

Lamp's Overviewlinux= operating system apache= foreign server mysql= database php= Run script program for the backend serverLamp is an abbreviation for a group of Open-source software that is often used to build dynamic Web sites or servers,

if ($_post[ok]){$link _id = mysql_connect ("localhost", "root", "") or Die ("Connection failed");if ($link _id){Select Databasemysql_select_db ("My_test");Insert Data SQL statement$sql = "INSERT into userinfo values ('. $_post[id]." ', ' ".

The strtotime () function parses the date and time descriptions of any English text into Unix timestamps.Simple: The code is as follows:Copy code Echo strtotime ('-1 MON', strtotime ("2010-01-01"); // returns the Monday of the date.Echo

1. global takes effect on the entire page.Example 1 The code is as follows:Copy code Global $ var1, $ var2; Is the reference of an external variable with the same name, and the scope of the variable is still in the function. When you change the

The division operator always returns a floating point number. Only in the following cases: both operands are integers (or integers converted into strings) and can be fully divided. In this case, an integer is returned.The operands of the modulo

Example 1. unset () example The code is as follows:Copy code // Destroy a single variableUnset ($ foo );// Destroy a single array elementUnset ($ bar ['quux ']);// Destroy more than one variableUnset ($ foo1, $ foo2, $ foo3 );?> The action of

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

$ A & $ B and (bitwise and)$ A | $ B or (by bit or)$ A ^ $ B Xor (bitwise Xor)~ $ A Not (Not by bit)$ A $ A >>$ B Shift right (right Shift)Details$ A & $ B: Set the bitwise of 1 in both $ a and $ B to 1;Example: 10 & 12 = 810 101012 11001000 8$ A | $

For example, there is a string: $ a = 'Hello world hello pig hello cat hello dog hello small boys ';Then we want to change the 3rd hello appearance to good-bye, for example:'Hello world hello pig good-bye cat hello dog hello small boys ';In this

In natural language, we understand the abstract concept that a large description of an object is a common feature for a certain type of object. The same is true in PHP. We abstract a class to specify the general behavior of the class. This class

The code is as follows:Copy code Header ('content-Type: text/html; charset = utf-8 ');Echo ' ';Function var_array ($ array){ Echo ' ';Var_dump ($ array );Echo ' ';} Function printr ($ array){ Echo ' ';Print_r ($ array );Echo ' ';} Function getArr

This function uses the TZ environment variable (if any) to calculate the timestamp. PHP 5.1.0 has an easier way to determine the time zone of All/dateTime functions used. This process is explained on the page of the date_default_timezone_get ()

PHP array sorting instances and functionsThe array in the PHP4 function manual is complete. I will check the latest manual tomorrow ....Array_values ($ arr) arrayReturns all elements of the array.Copy the code-PHP100.com $ Arr = array ("a", "B", "c "

Php imagecopyresized instanceDescriptionBoolean imagecopyresized ($ dst_image, $ src_image, $ dst_x, $ dst_y, $ src_x, $Src_y, $ dst_w, $ dst_h, $ src_w, $ src_h)Imagecopyresized () copies the partial image of a rectangle to another image. Dst_image