Introduction: This is a detailed page for PHP to execute multiple SQL statements at a time. It introduces PHP and batch execution of SQL statements, multiple SQL statements at a time, PHP, knowledge, skills, experience, and some PHP Source Code
ArticleDirectory
1. Language Configuration
2. error message
3. Resource restrictions
4. Data Processing
5. File Upload
Introduction: This is a detailed page of common PHP. ini configurations. It introduces the knowledge,
Introduction: This is a detailed page of PHP safe mode restriction in effect. It introduces PHP, related knowledge, skills, experience, and some PHP source code.
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Introduction: This is a detailed page for PHP static keyword usage in the class. It introduces PHP, related knowledge, skills, experience, and some PHP source code.
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Introduction: This is a PHP detailed page showing the start and end timestamps of today, this month, last month, and this year. It introduces the knowledge, skills, and experience related to PhP, and some PHP source code.
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Introduction: This is a detailed page for removing index. php from the codeigniter address. It introduces PHP, related knowledge, skills, experience, and some PHP source code.
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I encountered a strange problem in a project, and it took me a lot of time to solve it. The final debugging found that it was a judgment problem-about 0 and ''(null single quotes, for better understanding, I added a space), I found that 0 = "was
1. quickly create an array function range ()For example, the range () function can quickly create a number array from 1 to 9:
Copy codeThe Code is as follows: $ Numbers = range (1, 9 );
Echo $ numbers [1];
?>
Of course, range (9, 1) is used to
/******* Echo ********/Echo-output one or more stringsDescriptionEcho (string arg1 [, string...])Echo () is actually not a function (it is a language structure), so you do not need to use parentheses. Echo () (unlike some other languages) is not
If you are idle, you can just find some PHP information about OO. The access control modifier, self, parent, const, and static keywords, and the arrow operator (this is also called in the book .. "->"), range resolution operator (double colon ":"),
Condition Statement
When writing code, you often need to perform different actions for different judgments.
You can use conditional statements in the code to complete this task.
If... else statement
Execute one piece of code when the conditions are
First code: less codeUse regular expressions to obtain the real address of Baidu online storage files to Achieve straight-chain effect.
Save the following code as downbd. phpCopy codeThe Code is as follows: $ Canshu = $ _ SERVER ["QUERY_STRING"];If
I. Problems:
The database is MS SQLServer2000. You need to import data from a table in SQLServer2000 to mysql5. the fields in the SQLServer2000 table are named in simplified Chinese (it is strongly recommended that the Field name be Chinese ). In
Three main features of an object
Object behavior: You can perform operations on the object. If you turn on the light, turning off the light is behavior.
Object form: How the object responds, colors, dimensions, and shapes are applied.
Object
PhpMyAdmin cannot export data. After you click Export, a request fails or a white page is displayed. An error is returned after you refresh the page.
Export. php: Missing parameter: what (FAQ 2.8)
Export. php: Missing parameter: export_type (FAQ 2.8)
PHP fgetcsv definition and usage
The PHP fgetcsv () function reads a row from the file pointer and parses the CSV field.Similar to PHP fgets (), the difference is that PHP fgetcsv () parses the rows read, finds fields in CSV format, and returns an
What is PEAR?
PEAR is the abbreviation of the PHP Extension and Application Repository. It is a code repository for PHP extensions and applications. In short, PEAR is the CPAN of PHP.
Why is PEAR installed?
PEAR provides a wide range of PHP
If you build your own IP database to occupy resources and the update is inconvenient, why not use a ready-made IP address for query? Below I wrote a PHP code for obtaining the IP address's physical address (please kindly advise if you have any flaws)
Fortunately, 301 redirection can effectively solve this problem. As described in the moonlight blog,301 redirection promotes Search Engine OptimizationFrom the perspective of search engine optimization, 301 redirection is the most feasible method
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