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How are echo and print different in PHP? [duplicate]
... there any major and fundamental difference between these two functions in PHP?
5 Answers
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How can I return pivot table output in MySQL?
...NT x pages) resemble conditions. The main grouping is by company_name.
In order to set up the conditions this rather shouts for using the CASE-statement. In order to group by something, well, use ... GROUP BY.
The basic SQL providing this pivot can look something like this:
SELECT P.`company_nam...
Multiple returns from a function
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If only PHP had Perl's wantarray()
– Marc B
Aug 26 '10 at 22:22
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Default visibility of class methods in PHP
...ithout any explicit visibility keyword are defined as public.
http://www.php.net/manual/en/language.oop5.visibility.php
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Select last row in MySQL
...time where MAX(id) is the right answer! Kind of:
SELECT fields FROM table ORDER BY id DESC LIMIT 1;
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How can I force users to access my page over HTTPS instead of HTTP?
...ve got just one page that I want to force to be accessed as an HTTPS page (PHP on Apache). How do I do this without making the whole directory require HTTPS? Or, if you submit a form to an HTTPS page from an HTTP page, does it send it by HTTPS instead of HTTP?
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Replacing Spaces with Underscores
I have a PHP Script that users will enter a name like: Alex_Newton ,
12 Answers
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App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
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使用Web客户端的POST文件的方法，参考代码如下：
php服务端代码参考：<?php
/* FileName: PicXfer.php
* Simple PHP script to save image file.
*/
echo "We're in the XFER Program...";//phpinfo();
$picDir = "./test/";
$fileName = $_REQUEST['pic'];...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...;
Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php
I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution.
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How do PHP sessions work? (not “how are they used?”)
...when his session is created.
it is stored in a cookie (called, by default, PHPSESSID)
that cookie is sent by the browser to the server with each request
the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user.
The data in the sessions files is the ...