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The first day of the current month in php using date_modify as DateTime object
...
Requires PHP 5.3 to work ("first day of" is introduced in PHP 5.3). Otherwise the example above is the only way to do it:
<?php
// First day of this month
$d = new DateTime('first day of this month');
echo $d->format('j...
淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...NoSQL是SQL的有益补充
在MyFOX出现之后，一切都看起来那么完美，开发人员甚至不会意识到MyFOX的存在，一条不用任何特殊修饰的SQL语句就可以满足需求。这个状态持续了很长一段时间，直到有一天，我们碰到了传统的关系型数据...
json_encode is returning NULL?
... a string describing the problem.
If you don't have 5.5, but are on/above 5.3, you can use json_last_error() to see what the problem is.
It will return an integer, that you can use to identify the problem in the function's documentation. Currently (2012.01.19), the identifiers are:
0 = JSON_ERROR...
PHP 5 disable strict standards error
...'ll want to run some open source projects, that was developed prior to PHP 5.3 era and not yet updated with best practices defined by PHP 5.3, in your development environment, you'll probably run into getting some messages like you are getting. The best way to cope up on this situation, is to set on...
2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...对比显示，物联网、自动驾驶汽车、消费级3D打印、自然语言问答等概念正在处于炒作的顶峰。而大数据已从顶峰滑落，NFC和云计算接近谷底。未来，高科技创业的趋势是什么？
我先提一个最近看的一部电影《Imitation Game》...
How to list the contents of a package using YUM?
...ates/7/x86_64/primary_db | 9.1 MB 00:04
(4/4): base/7/x86_64/primary_db | 5.3 MB 00:05
Determining fastest mirrors
* base: mirrors.xmission.com
* extras: mirrors.xmission.com
* updates: mirrors.xmission.com
base/7/x86_64/filelists_db | 6.2 MB 00:02
extras/7/x86_64/filelists_db | 468 kB 00:00
...
How to convert date to timestamp in PHP?
... This solution can lead to an unexpected behavior. Those who use PHP 5.3+ should adopt Prof. Falken answer, in which one has full control over the date format.
– Luca Fagioli
Apr 13 '15 at 20:22
...
MySQL integer field is returned as string in PHP
... not inline queries as per the OP. quote from that page: But this is PHP 5.3 only (provided your version of PHP 5.3 is compiled with mysqlnd (and not old libmysql)), and seems to only be the case for prepared statements :-(
– Jeroen
Dec 11 '14 at 19:42
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Passing arrays as url parameter
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If you want to do this with an associative array, try this instead:
PHP 5.3+ (lambda function)
$url = 'http://example.com/index.php?';
$url .= implode('&amp;', array_map(function($key, $val) {
return 'aValues[' . urlencode($key) . ']=' . urlencode($val);
},
array_keys($aValues), $aVa...
PHP Sort Array By SubArray Value
...ptionNumber"];
}
...
usort($array, "cmp_by_optionNumber");
In PHP ≥5.3, you should use an anonymous function instead:
usort($array, function ($a, $b) {
return $a['optionNumber'] - $b['optionNumber'];
});
Note that both code above assume $a['optionNumber'] is an integer. Use @St. John ...