php Programming Glossary: semantics
How foreach actually works http://stackoverflow.com/questions/10057671/how-foreach-actually-works And as PHP arrays have by value rather than by reference semantics that means you need to copy the array whenever you want to iterate.. foreach did a copy in this case it would break reference semantics. If the array has a refcount of 1 the copy will not be done.. iteration happens very similar to arrays. The same copying semantics apply. The only real difference is that foreach will run some..
How does RecursiveIteratorIterator work in PHP? http://stackoverflow.com/questions/12077177/how-does-recursiveiteratoriterator-work-in-php see Iterator in Wikipedia for the general principles types semantics and patterns of iterators. In difference to IteratorIterator.. and the base iterator class is the implementation of these semantics. Compare with the examples below for linear looping with foreach.. concrete iterators container objects and iteration semantics this maybe is not a that bad idea. Take a directory listing..
Calling PHP Parent Constructors With Old/New Syntax http://stackoverflow.com/questions/1223766/calling-php-parent-constructors-with-old-new-syntax a method named __construct which was used for different semantics. So I really think there is not that much of a difference Did..
Is there a function to make a copy of a PHP array to another? http://stackoverflow.com/questions/1532618/is-there-a-function-to-make-a-copy-of-a-php-array-to-another like an array. Being an object however it has reference semantics. Edit @AndrewLarsson raises a point in the comments below. PHP..
“vertical” regex matching in an ASCII “image” http://stackoverflow.com/questions/17039670/vertical-regex-matching-in-an-ascii-image lookbehind but has the K escape which provides similar semantics. Thus ^ . K X . n . x length 1 X 2 gmx will match every sequence..
How to conduct buffer overflow in PHP/Python? http://stackoverflow.com/questions/2081281/how-to-conduct-buffer-overflow-in-php-python The point is that almost all of the APIs and language semantics that they expose are heavily error checked making it impossible..
(PHP) Is handling a form submission on the same page more/less/equally good as handling on a separate page? http://stackoverflow.com/questions/2354644/php-is-handling-a-form-submission-on-the-same-page-more-less-equally-good-as-h
How to enable and use HTTP PUT and DELETE with Apache2 and PHP? http://stackoverflow.com/questions/2934554/how-to-enable-and-use-http-put-and-delete-with-apache2-and-php myself. I only want to enable PUT and DELETE for the clean semantics. Thanks Andreas php apache rest share improve this question..
DOM Error - ID 'someAnchor' already defined in Entity, line: http://stackoverflow.com/questions/3614586/dom-error-id-someanchor-already-defined-in-entity-line
What are the best practices for catching and re-throwing exceptions? http://stackoverflow.com/questions/5551668/what-are-the-best-practices-for-catching-and-re-throwing-exceptions profile is stored in files and it supports transaction semantics you can undo changes because they are only performed on a copy..
Why does PHP's call_user_func() function not support passing by reference? http://stackoverflow.com/questions/6259713/why-does-phps-call-user-func-function-not-support-passing-by-reference be trouble since PHP passes that array with copy on write semantics you can't be sure if the array won't get modified underneath..
Parentheses altering semantics of function call result http://stackoverflow.com/questions/6726589/parentheses-altering-semantics-of-function-call-result altering semantics of function call result It was noted in another question that..
How to calculate the difference between two dates using PHP? http://stackoverflow.com/questions/676824/how-to-calculate-the-difference-between-two-dates-using-php php Calculate differences between two dates with precise semantics. Based on PHPs DateTime diff implementation by Derick Rethans...
What is the best way to add two strings together? http://stackoverflow.com/questions/695124/what-is-the-best-way-to-add-two-strings-together . I am not a PHP guy so I can't give you any advice on the semantics of the different ways of concatenating strings but for a single..
Reference: Comparing PHP's print and echo http://stackoverflow.com/questions/7094118/reference-comparing-phps-print-and-echo differences below. We therefore only have to define the semantics for print . print e when evaluated evaluates its single argument..
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