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In PHP, what is a closure and why does it use the “use” identifier?
I'm checking out some PHP 5.3.0 features and ran across some code on the site that looks quite funny:
6 Answers
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Getting a timestamp for today at midnight?
How would I go about getting a timestamp in php for today at midnight. Say it's monday 5PM and I want the Timestamp for Monday(today) at midnight(12 am) which already has happened.
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Using a .php file to generate a MySQL dump
...c(), I would choose the second one, which doesn't return the output to the PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself.
That external command will :
be a call to mysqldump, with th...
JavaScript equivalent of PHP's in_array()
... notice you wanted to see if an array was inside another. According to the PHP documentation this is the expected behavior of PHP's in_array:
$a = array(array('p', 'h'), array('p', 'r'), 'o');
if (in_array(array('p', 'h'), $a)) {
echo "'ph' was found\n";
}
if (in_array(array('f', 'i'), $a)) {...
PDOException SQLSTATE[HY000] [2002] No such file or directory
...fortrabbit, but as soon as I connect to SSH to run some commands (such as php artisan migrate or php artisan db:seed ) I get an error message:
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submitting a GET form with query string params and hidden params disappear
...ntains the target, where the form should be processed? like: action="index.php?site=search". I'm not sure, if putting the GET parameter in hidden input fields is an god idea.
– The Bndr
Aug 24 '17 at 13:09
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Use cases for NoSQL [closed]
... and CouchDB as they seem to be getting the most coverage with regard to PHP development and that is my focus.
9 Answers
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Show a number to two decimal places
What's the correct way to round a PHP string to two decimal places?
24 Answers
24
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How to color System.out.println output? [duplicate]
...RL+V,CTRL+[[31mERROR MESSAGE IN RED'
ie, press CTRL+V and then CTRL+[ in order to get a "raw" ESC character when escape interpretation is not available
If done correctly, you should see a ^[. Although it looks like two characters, it is really just one, the ESC character.
You can also press CTRL+V...
Difference between float and double in php?
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There is no difference in PHP. float, double or real are the same datatype.
At the C level, everything is stored as a double.
The real size is still platform-dependent.
See the manual for more details:
http://www.php.net/manual/en/language.types.flo...