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Type-juggling and (strict) greater/lesser-than comparisons in PHP
PHP is famous for its type-juggling. I must admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons.
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How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you ...
Why is require_once so bad to use?
Everything I read about better PHP coding practices keeps saying don't use require_once because of speed.
14 Answers
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Make var_dump look pretty
...something like this for color syntax highlighting:
highlight_string("<?php\n\$data =\n" . var_export($data, true) . ";\n?>");
You can do the same with print_r(). For var_dump() you would just need to add the <pre> tags:
echo '<pre>';
var_dump($data);
echo '</pre>';
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Setting Curl's Timeout in PHP
I'm running a curl request on an eXist database through php. The dataset is very large, and as a result, the database consistently takes a long amount of time to return an XML response. To fix that, we set up a curl request, with what is supposed to be a long timeout.
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C++ performance challenge: integer to std::string conversion
...orithm, to do this. The reason is that int2string will always involve heap allocation from std::string and if we are trying to squeeze the last out of our conversion algorithm, I do not think it makes sense to mix these measurements up with the heap allocations done by std::string. If I want perform...
How do I get class name in PHP?
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Since PHP 5.5 you can use class name resolution via ClassName::class.
See new features of PHP5.5.
<?php
namespace Name\Space;
class ClassName {}
echo ClassName::class;
?>
If you want to use this feature in your class ...
Tracking the script execution time in PHP
PHP must track the amount of CPU time a particular script has used in order to enforce the max_execution_time limit.
18 A...
How can I find the number of arguments of a Python function?
...in yyyy-mm-dd format for which the data is to be fetched. (required)
pageToken: string, Token to specify next page.
parameters: string, Represents the application name, parameter name pairs to fetch in csv as app_name1:param_name1, app_name2:param_name2.
Returns:
An object of the form:
{...
What's the use of ob_start() in php?
...ean() since ob_get_clean() essentially performs both functions. Reference: php.net/manual/en/function.ob-get-clean.php (PHP 4 >= 4.3.0, PHP 5)
– Con Antonakos
May 20 '15 at 16:49
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