unset

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Questions about php unset function

I am havingquestions about unset How to unset all variables.should i use unset($var1,$var2,$var3,...) or any other easy method exists ?[详细]

2023-03-10 03:27 分类：问答
PHP memory question do you need to unset?

What happens if you do not unset an array before the script is done executing? I am running through thousands of CSV files, parsing data for hundreds of thousands of customers into arrays.It works fi[详细]

2023-03-06 00:52 分类：问答
Remove Key of One Array of Not Have in Other Array [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-02-28 20:35 分类：问答
GIT & Ruby: How can I unset the GIT_DIR variable from inside a ruby script?

I\'ve written a very simple \'deploy\' script ru开发者_如何转开发nning as my post-update hook inside my bare git repo.[详细]

2023-02-21 21:23 分类：问答
PHP array unset

Here code (executed in php 5.3.5 and 5.2.13): $res = array(1, 2, 3); unset($res[0]); for($i = 0; $i < sizeof($res); $i++)[详细]

2023-02-20 09:31 分类：问答
PHP, delete path from TXT file

I have, problem.. I display images from dir in ARRAY with button \'delete\' - action delete.php.. If I click \'delete\' file delete.php should delete image from dir and path from TXT file..[详细]

2023-02-18 18:43 分类：问答
Create unset cookie button

I have created a cookie using php and now I need to create a button the user can click to log out. This would be the php code to unset the cookie:[详细]

2023-02-13 18:15 分类：问答
captcha works locally, but not on server!

I have a very annoying problem. I have a captcha system that work on my local network setup with xammp, but it does not work on my remote linux box. I have a teori that the captcha.php file reloads so[详细]

2023-02-11 23:29 分类：问答
Update $unset command eats up all ram on large collection

Using MongoDB, I\'m trying to remove a column from a collection that contains ~3 million records. db.Li开发者_开发知识库sting.update( {}, { $unset: { Longitude: 1 } }, false, true);[详细]

2023-02-10 17:20 分类：问答
How to remove column from child collection

I have a collection in MongoDB called CrawlUser. It has a list called CrawlStatuses,开发者_Python百科 which is a list of CrawlStatus objects. CrawlStatus has a property called LastErrorMessage which I[详细]

2023-02-10 11:04 分类：问答