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Why are functions and methods in PHP case-insensitive?

Functions and methods in PHP are case-insensitive as illustrated in the following example. 2 Answers ...
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Good PHP ORM Library?

Is there a good object-relational-mapping library for PHP? 36 Answers 36 ...
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How to get the file extension in PHP? [duplicate]

... 'Only variables should be passed by reference', the PHP Manual – dader Dec 20 '12 at 2:01 ...
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Using $_POST to get select option value from HTML

... Where do I put the $selectOption = $_POST['taskOption']; I put it in the php but it does nothing.... – Yunfei Chen 2 days ago add a comment  |  ...
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PHP function to get the subdomain of a URL

Is there a function in PHP to get the name of the subdomain? 28 Answers 28 ...
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Converting string to Date and DateTime

If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot. ...
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PHP cURL custom headers

I'm wondering if/how you can add custom headers to a cURL HTTP request in PHP. I'm trying to emulate how iTunes grabs artwork and it uses these non-standard headers: ...
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How do I make a request using HTTP basic authentication with PHP curl?

I'm building a REST web service client in PHP and at the moment I'm using curl to make requests to the service. 11 Answers ...
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Do AJAX requests retain PHP Session info?

... If PHP error reporting is turned on, you can get a session error returned with the AJAX response. I've been intermittently getting a Warning: session_write_close(): Failed to write session data (user) error lately in a project, ...
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String comparison using '==' vs. 'strcmp()'

It seems that PHP's === operator is case sensitive. So is there a reason to use strcmp() ? 13 Answers ...