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How do you create optional arguments in php?

...ument must be a constant expression. It can't be a variable or a function call. If you need this functionality however: function foo($foo, $bar = false) { if(!$bar) { $bar = $foo; } } Assuming $bar isn't expected to be a boolean of course. ...
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Import a file from a subdirectory?

...nguage shouldn't impose its way of loading files across the filesystem. In PHP we solved the problem by letting the userland code register multiple autoloading functions that are called when a namespace/class is missing. Then the community has produced the PSR-4 standard and Composer implements it, ...
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Is == in PHP a case-sensitive string comparison?

I was unable to find this on php.net. Is the double equal sign ( == ) case sensitive when used to compare strings in PHP? 7...
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How to Sort Multi-dimensional Array by Value?

... Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first: function sortByOrder($a, $b) { return $a['order'] - $b['order']; } usort($myArray, 'sortByOrder'); Starting in PHP 5.3, you can use an anonymous func...
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Is there a point to minifying PHP?

I know you can minify PHP, but I'm wondering if there is any point. PHP is an interpreted language so will run a little slower than a compiled language. My question is: would clients see a visible speed improvement in page loads and such if I were to minify my PHP? ...
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Fastest hash for non-cryptographic uses?

I'm essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exist or not, so hash is ideal). ...
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PHP - add item to beginning of associative array [duplicate]

... The name's Triumph the Insult Comic Dev. I'm here all week. – outis Apr 30 '11 at 1:46  |  show 2 more comments ...
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Adding header for HttpURLConnection

...e use headers. I have to validate some credentials from android I am using php on xammp. how should i go for it. as i don't know how to write php code with headers – Pankaj Nimgade Feb 17 '15 at 8:00 ...
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POST data to a URL in PHP

How can I send POST data to a URL in PHP (without a form)? 3 Answers 3 ...
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How to find all links / pages on a website

Is it possible to find all the pages and links on ANY given website? I'd like to enter a URL and produce a directory tree of all links from that site? ...