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How does PHP 'foreach' actually work?

...ction iterate($arr) { foreach ($arr as $v) {} } $outerArr = [0, 1, 2, 3, 4]; iterate($outerArr); Here, $arr will be duplicated to prevent IAP changes on $arr from leaking to $outerArr. In terms of the conditions above, the array is not a reference (is_ref=0) and is used in two places (refcoun...
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No Persistence provider for EntityManager named

... 30 Answers 30 Active ...
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How to use a variable to specify column name in ggplot

... David RobinsonDavid Robinson 68.3k1212 gold badges146146 silver badges171171 bronze badges ...
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Center Align on a Absolutely Positioned Div

... answered Oct 31 '08 at 8:27 JacobEJacobE 7,62666 gold badges3737 silver badges4747 bronze badges ...
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How do I find a “gap” in running counter with SQL?

...L table. For example, if there are values 1,2,4 and 5 I'd like to find out 3. 20 Answers ...
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Get Output From the logging Module in IPython Notebook

... 134 Try following: import logging logger = logging.getLogger() logger.setLevel(logging.DEBUG) logg...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

... 2130 Real, User and Sys process time statistics One of these things is not like the other. Real re...
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Changing user agent on urllib2.urlopen

... | edited Oct 3 '19 at 7:12 12 rhombi in grid w no corners 12822 silver badges1717 bronze badges ...
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PHP function to get the subdomain of a URL

... 133 Here's a one line solution: array_shift((explode('.', $_SERVER['HTTP_HOST']))); Or using you...
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error: default argument given for parameter 1

... 213 You are probably redefining the default parameter in the implementation of the function. It shou...