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Performance of foreach, array_map with lambda and array_map with static function

... FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug. UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version. function lap($func) { $t0 = microtime(1); $numbers = range(0, 1000000); ...
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SQL injection that gets around mysql_real_escape_string()

...t necessarily know the character that will be used to quote the literal in order to avoid munging one's data. The Payload " OR 1=1 -- The payload initiates this injection quite literally with the " character. No particular encoding. No special characters. No weird bytes. mysql_real_escape_str...
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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

... 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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Hidden Features of MySQL

... COLUMNS FROM mytable SELECT max(namecount) AS virtualcolumn FROM mytable ORDER BY virtualcolumn http://dev.mysql.com/doc/refman/5.0/en/group-by-hidden-fields.html http://dev.mysql.com/doc/refman/5.1/en/information-functions.html#function_last-insert-id last_insert_id() gets you the PK of the ...
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Microsoft Excel mangles Diacritics in .csv files?

... A correctly formatted UTF8 file can have a Byte Order Mark as its first three octets. These are the hex values 0xEF, 0xBB, 0xBF. These octets serve to mark the file as UTF8 (since they are not relevant as "byte order" information).1 If this BOM does not exist, the consu...
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How to post data to specific URL using WebClient in C#

...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
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How do I make an asynchronous GET request in PHP?

... Am I right in saying that this function is improperly named? It really doesn't have anything to do with the curl library. It's fsock_post_async() more like it – MikeMurko Oct 8 '12 at 19:28 ...
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How do I get a file name from a full path with PHP?

...ray with the parts of the path. Or for the case here, you can just specifically ask for the filename. So pathinfo('/var/www/html/index.php', PATHINFO_FILENAME) should return 'index.php' PHP Pathinfo documentation – OnethingSimple Apr 19 '15 at 13:54 ...
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Parsing domain from a URL

...; echo $parse['host']; // prints 'google.com' parse_url doesn't handle really badly mangled urls very well, but is fine if you generally expect decent urls. share | improve this answer ...
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How can I use break or continue within for loop in Twig template?

... @pathros In order to get the first value, use the first twig filter: twig.sensiolabs.org/doc/filters/first.html – Victor Bocharsky Feb 11 '16 at 20:21 ...