This article introduces, in the use of PHP string interception function substr, the interception of Chinese characters in the case of garbled solution. Please refer to the friends who are in need.PHP string intercept function substr:String substr
This article describes the use of Strtolower and Strtoupper in PHP for case conversion functions, which are often encountered in character handling issues. If you need a friend, refer to it.1, convert the string to the lowercase strtolower function:
/*
Copyright Dominic Sayers
(dominic_sayers@hotmail.com)
(http://www.dominicsayers.com)
This source file was subject to the Common public Attribution License Version 1.0 (CPAL) License.
The license terms is available through
/**php Importing a CSV file to a database * * *
* Simultaneous calculation of program execution time
***/
Defining the Get Time function
function Getmicrotime () {
List ($usec, $sec) = Explode ("", Microtime ());
return
Mysql-proxy \
–proxy-backend-addresses=narcissus:3306 \
–proxy-backend-addresses=nostromo:3306
Copy Code3, the database read and write separation, 192.168.18.110 responsible for writing, 192.168.18.107 is responsible for
/**
* PHP GD library generates line chart, histogram, pie chart
* by bbs.it-home.org
*/
$img _gao=170;
$img _kuan=0;
$jiange the interval between the =30;//and the point, the resulting image width automatically changes
Share the following in the export of CSV file with PHP, the identity card number is forbidden to scientific counting display method, the need for friends reference.Actually, it's very simple.PHP export CSV file, open will find that the social
$var = ";
The result is true, so the text behind will be printed.
if (Isset ($var)) {
Print "This var was set set so I'll print.";
}
In the example below, we will use Var_dump to output the return value of Isset ().
This article describes the PHP in the use of MySQL and mysqli in the usage of some differences, there is a need for friends reference.MySQL and mysqli differences: MySQL and mysqli (MySQL improved) is a library functions (or Extension) in the PHP
$keyword = "1 2 3";
echo $sql =search ($keyword, "Enter_gongyin_pic", "a+b+c"); function generation, no limit, no order by
Copy CodeTo generate the SQL statement:
SELECT * from ' enter_gongyin_pic '
This article describes the usual string processing functions in php5, including string comparisons, string lookups, string truncation, and other functions that are needed by the friend reference.PHP5 string processing function Summary, the use of
$arr = Array (' A ', ' B ', ' C ', ' d ');
Unset ($arr [1]);
Print_r ($arr);
?>
Copy CodePrint_r ($arr), the result is not that, the end result is an Array ([0] = a [2] = c [3] + D)How do I let the missing elements be
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