PHP Tutorials

GetImageSize often fails when dealing with remote pictures, is there any other function that can be substituted or other methods I just want the width and height of the picture, such as curl, can I get it? I only found the file size in the header.

The tag field in MySQL contains the following conditions Phpphp,mysqljqueryhtmlphprubyjava,jquery,jsjavahtmlcss I would like to be able to search through MySQL at once all the non-duplicated tags, like this result Phpmysqljqueryhtmlrubyjavacss If a

Mainly to prevent each other from modifying the User-agent Reply content: Mainly to prevent each other from modifying the User-agent All of PHP's information about the client is obtained through the header of the client HTTP, so it can only

This people may be very rare, write their own fun. if ($page _num > 1) {echo ' next page ';} And if ($page _num > 1) { $page _num++;echo ' next page ';} Why do you use PHP and MySQL to turn pages, why the first one is useful, and the

The PHP extension chooses the PHP-AMQP Hopefully, the number of messages that have not been picked up in the specified message queue (including Un-ack messages) can be obtained in PHP. Execute at command line: Xxx/rabbitmqctl List_queues can

I used to use a SET NAMES utf8 statement to set the character set before each connection, but mysqli there was a mysqli_set_charset function to do this, and I thought it was exactly the same as my own, but it was found in its documentation note.

$str = ' finger solid '; echo str_replace (' belly ', ' big ', $str); The page is GBK encoded, so you can actually replace it. Checked the respective codes. means: d6b8: b9cc Belly: b8b9 Finger-Solid: D6b8b9CCAbdomen: b8b9 What is the best way

Beginners PHP, look at the WordPress source code found, WP environment set up files wp-settings.php, almost all of the WordPress include files included in, why not use AutoLoad, do not include the file on performance has no impact? Reply content:

When you can publish more than one message anonymously, how to determine whether the published information is from the same IP address, please say the idea of implementation, JavaScript or PHP line? Is it possible to validate a message without

can PHP manipulate a path other than the root directory of the server? Like a folder on the F drive. Is there a way? Ask the warrior to say deep-seated reasons, thanks! Reply content: can PHP manipulate a path other than the root directory of

If I had 10 cache servers, 1: How the algorithm can distribute a data evenly to the cache server, to avoid a certain server pressure is too high, 2: Then how to read the cached data from one of the 10 cache servers; Talk about the concrete

Recently, in the anonymous function of PHP, there are several uses $foo = create_function (' $a ', ' return $a; '); And $foo = function ($a) {return $a;}; When did the two approaches create the function body?If in a loop, the following: for ($i =0;

The following code is saved as test.php '; $_session[' test '] = $_server[' Path_info '];var_dump ($_session[' test ');? > Test this code locally to access the URL http://localhost/test.php/aThe value of $_server[' Path_info '] is '/a ', the

Two arrays, Arraya and Arrayb $arrayA = Array ( 0 + = Array ( 0 = 1, 4 = 1, 6 = 1, ), 1-= Array ( 1 = 1, 3 = 1, 5 = 1, ), 2-= Array ( 7 = 1, 8 = 1, 9 = 1, ),); $arrayB = Array ( 0 = = Array ( 0 = ' A ', 1 = '

I want to return the upload file path to the front-end save, but the background php file JS is not executed, the foreground input tag value is always empty The background acceptfile.php code is as follows: Front-end index.php form forms: Ask

At present, we can see that there are two ways to use more, namely $arr = Array ();//First Array_push ($arr, ' test ');//second $arr[] = ' test '; Which of these two methods is more efficient? Reply content: At present, we can see that there

Purpose: All data are paged, not all data, but fixed number of bars at a time. and the data ID that is selected on each page can be saved, together with the selected data, do the corresponding action. For example, the first page selected 2, the

Request PHP timed Task codeI hope the great Gods can provide detailed codeI don't know programming, but I have ideas.First look at the ideaThe whole idea is to use PHP timing to query the database for custom keywords (there are many)If the query

Our previous mail system did not use Dkim, causing a lot of mail to go into the trash. Ask Phpmailer How to configure Dkim with Amazon ses to send e-mail? My domain name uses dnspod to parse, why set up three CNAME record but always verify fail?

For example, in the WordPress template often see this syntax ... Why do you have if (...): to endif; write like this? What kind of grammar is this? Why not use parentheses? Reply content: For example, in the WordPress template often