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How to convert an image to base64 encoding?

...ts("/path/to/image.jpg"); // alternatively specify an URL, if PHP settings allow $base64 = base64_encode($imagedata); bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit. ...
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Why would one omit the close tag?

I keep reading it is poor practice to use the PHP close tag ?> at the end of the file. The header problem seems irrelevant in the following context (and this is the only good argument so far): ...
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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]

...it sorts all these letters as single characters, and sometimes in a wrong order. utf8_unicode_ci is generally more accurate for all scripts. For example, on Cyrillic block: utf8_unicode_ci is fine for all these languages: Russian, Bulgarian, Belarusian, Macedonian, Serbian, and Ukrainian. Wh...
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What does new self(); mean in PHP?

...ParentClass -- i.e. here too, the class in which it is written. With PHP < 5.3, that "the class in which it is written" is important -- and can sometimes cause problems. That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in thos...
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How should a model be structured in MVC? [closed]

...alidate data before sending an invoice, or to compute the total cost of an order. At the same time, Domain Objects are completely unaware of storage - neither from where (SQL database, REST API, text file, etc.) nor even if they get saved or retrieved. Data Mappers These objects are only responsibl...
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How to get parameters from a URL string?

...ery); echo $query['email']; If you want to get the $url dynamically with PHP, take a look at this question: Get the full URL in PHP share | improve this answer | follow ...
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MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...m_RBtGroup3); DDX_Control(pDX, IDC_RADIO9, m_RBtGroup4); } 问题一:如何更改RadioButton默认值??? 方法1 在定义控件变量时,默认变量初值为-1,表示此组的任何RadioButton均不被选中,如果需要改变初始默认按钮的设置情况,...
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get UTC time in PHP

How can I get UTC/GMT +/- time stamp using PHP's date() function? For example, if I try 12 Answers ...
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Send attachments with PHP Mail()?

... I agree with @MihaiIorga in the comments – use the PHPMailer script. You sound like you're rejecting it because you want the easier option. Trust me, PHPMailer is the easier option by a very large margin compared to trying to do it yourself with PHP's built-in mail() function...
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Saving image from PHP URL

I need to save an image from a PHP URL to my PC. Let's say I have a page, http://example.com/image.php , holding a single "flower" image, nothing else. How can I save this image from the URL with a new name (using PHP)? ...