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How to add a new method to a php object on the fly?

... Using simply __call in order to allow adding new methods at runtime has the major drawback that those methods cannot use the $this instance reference. Everything work great, till the added methods don't use $this in the code. class AnObj extends s...
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PHP Session Security

... There are a couple of things to do in order to keep your session secure: Use SSL when authenticating users or performing sensitive operations. Regenerate the session id whenever the security level changes (such as logging in). You can even regenerate the sessio...
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Reference — What does this symbol mean in PHP?

...nd y have the same key/value pairs in the same order and of the same types x !== y Non-identity True if x is not identical to y ++ x Pre-increment Increments x by one, then returns x x ++ Post-increment Returns x, then increments x by one -- x Pr...
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CodeIgniter: Create new helper?

... As of CI2, you will also need to get the CI instance in order to use a helper within a model: $ci = get_instance(); $ci->load->helper(’name_helper’); – Evernoob Apr 24 '13 at 9:36 ...
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How to solve PHP error 'Notice: Array to string conversion in…'

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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Is there a function to make a copy of a PHP array to another?

... For your case, global $foo; $foo = $obj->bar; should work fine. In order to get burned, I would think you'd either have to have been using references or expecting objects inside the arrays to be cloned. share ...
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php $_POST array empty upon form submission

...vars (it's only available on very old PHP versions) is set to On variables_order contains the letter P post_max_size is set to a reasonable value (e.g. 8 MB) (if using suhosin patch) suhosin.post.max_vars and suhosin.request.max_vars are large enough. I suppose the second suggestion of mine will s...
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How to fix “Headers already sent” error in PHP

... Unintentional: Whitespace before <?php or after ?> The UTF-8 Byte Order Mark specifically Previous error messages or notices Intentional: print, echo and other functions producing output Raw <html> sections prior <?php code. Why does it happen? To understand why header...
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How to use phpexcel to read data and insert into database?

... In order to read data from microsoft excel 2007 by codeigniter just create a helper function excel_helper.php and add the following in: require_once APPPATH.'libraries/phpexcel/PHPExcel.php'; require_once APPPATH.'l...
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How to read a large file line by line?

...ne before while $file->setFlags(SplFileObject::DROP_NEW_LINE); in order to drop newlines at the end of a line. – elshnkhll Nov 9 '15 at 18:22 ...