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Convert one date format into another in PHP

...he y-m-d-h-i-s format. PHP 5.3 and up Use DateTime::createFromFormat. It allows you to specify an exact mask - using the date() syntax - to parse incoming string dates with. PHP 5.2 and lower You will have to parse the elements (year, month, day, hour, minute, second) manually using substr() and...
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Is PHP's count() function O(1) or O(n) for arrays?

Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved? ...
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What kinds of patterns could I enforce on the code to make it easier to translate to another program

... are PHP and Python (Python to PHP should be easier to start with), but ideally I would be able to add other languages with (relative) ease. The plan is: ...
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Do checkbox inputs only post data if they're checked?

... behaviour is the value is only sent if the checkbox is checked. This typically means you need to have a way of remembering what checkboxes you are expecting on the server side since not all the data comes back from the form. The default value is always "on", this should be consistent across browse...
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP

...n your machine. Here are some options that I use. Test your web page locally on Firefox, then deploy to your host. or: Run a local server Test on Firefox, Deploy to Host Firefox currently allows Cross Origin Requests from files served from your hard drive Your web hosting site will allow requ...
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Multi-line strings in PHP

...ng spanning multiple lines using heredoc syntax. $var is replaced automatically. EOD; A Nowdoc is like a Heredoc, but it doesn't replace variables. $str = <<<'EOD' Example of string spanning multiple lines using nowdoc syntax. $var is NOT replaced in a nowdoc. EOD; Beware that the end ...
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How to zip a whole folder using PHP

...$name => $file) { // Skip directories (they would be added automatically) if (!$file->isDir()) { // Get real and relative path for current file $filePath = $file->getRealPath(); $relativePath = substr($filePath, strlen($rootPath) + 1); // Add cur...
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Laravel blank white screen

... @fideloper This answer really saved my day. Was getting WSOD, and nothing showing up in logs anywhere. chmodding the app/storage took care of it. I tip my virtual hat to you! – Tim Habersack Dec 23 '13 at 22:37 ...
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Twig: in_array or similar possible within if statement?

... If you want to achieve the same as in_array() in PHP, ommit the keys filter – Burgi Feb 8 '12 at 16:05 25 ...
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Why does PHP consider 0 to be equal to a string?

...n each string is converted to a number and the comparison performed numerically. […] The type conversion does not take place when the comparison is === or !== as this involves comparing the type as well as the value. As the first operand is a number (0) and the second is a string ('e'), the stri...