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Using a .php file to generate a MySQL dump

...c(), I would choose the second one, which doesn't return the output to the PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself. That external command will : be a call to mysqldump, with th...
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JavaScript URL Decode function

... Here is a complete function (taken from PHPJS): function urldecode(str) { return decodeURIComponent((str+'').replace(/\+/g, '%20')); } share | improve this an...
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instantiate a class from a variable in PHP?

...r as I can tell) must declare the full namespace path of a class. MyClass.php namespace com\company\lib; class MyClass { } index.php namespace com\company\lib; //Works fine $i = new MyClass(); $cname = 'MyClass'; //Errors //$i = new $cname; //Works fine $cname = "com\\company\\lib\\".$cname...
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PHP script to loop through all of the files in a directory?

I'm looking for a PHP script that loops through all of the files in a directory so I can do things with the filename, such as format, print or add it to a link. I'd like to be able to sort the files by name, type or by date created/added/modified. (Think fancy directory "index".) I'd also like to be...
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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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How to determine the memory footprint (size) of a variable?

Is there a function in PHP (or a PHP extension) to find out how much memory a given variable uses? sizeof just tells me the number of elements/properties. ...
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How to check if PHP array is associative or sequential?

PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys? ...
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RadioButton单选按钮扩展集合 · App Inventor 2 中文网

...见应用场景 故障排除 常见问题 « 返回扩展首页 RadioButton单选按钮扩展 本页面收录了多个RadioButton(单选按钮)扩展,为App Inventor应用提供了单选按钮功能。...
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Better techniques for trimming leading zeros in SQL Server?

...IGINT, some types of string will still fail this conversion. Consider 0001E123 for example. – roaima Sep 2 '15 at 12:14 1 ...
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`static` keyword inside function?

... found some things I hadn't seen before. I did some initial looking in the php manual, but it didn't explain these examples. ...