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What's better at freeing memory with PHP: unset() or $var = null
... name says - unset a variable. It does not force immediate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first.
If you are doing $whatever ...
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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Uppercase Booleans vs. Lowercase in PHP
When I was learning PHP, I read somewhere that you should always use the upper case versions of booleans, TRUE and FALSE , because the "normal" lowercase versions, true and false , weren't "safe" to use.
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How to define an empty object in PHP
...();
A comment in the manual sums it up best:
stdClass is the default PHP object.
stdClass has no properties, methods or
parent. It does not support magic
methods, and implements no interfaces.
When you cast a scalar or array as
Object, you get an instance of
stdClass. You can us...
Count with IF condition in MySQL query
...yer2'
AND `ccc_news`.`status` = 'Active'
GROUP BY
ccc_news.news_id
ORDER BY
ccc_news.set_order ASC
LIMIT 20
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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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getting date format m-d-Y H:i:s.u from milliseconds
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php.net says:
Microseconds (added in PHP 5.2.2). Note that date() will always generate 000000 since it takes an integer parameter, whereas DateTime::format() does support microseconds if DateTime was created with microsec...
java.net.ConnectException: Connection refused
...droid emulator by specifying proper URL like http://localhost/my_api/login.php . And I was getting connection refused error"
Point to note - When I just went to browser on the PC and use the same URL (http://localhost/my_api/login.php) I was getting correct response
so the Problem in my case was t...
Why does PHP consider 0 to be equal to a string?
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This is due to how PHP does the comparison operation that the == comparison operator denotes:
If you compare a number with a string or the comparison involves numerical strings, then each string is converted to a number and the comparison p...
Java - sending HTTP parameters via POST method easily
...ength = postData.length;
String request = "http://example.com/index.php";
URL url = new URL( request );
HttpURLConnection conn= (HttpURLConnection) url.openConnection();
conn.setDoOutput( true );
conn.setInstanceFollowRedirects( false );
conn.setRequestMethod( "POST" ...
