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How do I get the current date and time in PHP?
...mat
echo $now->getTimestamp(); // Unix Timestamp -- Since PHP 5.3
And to specify the timezone:
$now = new DateTime(null, new DateTimeZone('America/New_York'));
$now->setTimezone(new DateTimeZone('Europe/London')); // Another way
echo $now->getTimezone();
...
Best Practices: working with long, multiline strings in PHP?
...is kind of situations, I always use Heredoc (Or Nowdoc, if using PHP >= 5.3) : easy to write, easy to read, no need for super-long lines, ...
For instance :
$var = 'World';
$str = <<<MARKER
this is a very
long string that
doesn't require
horizontal scrolling,
and interpolates variable...
how to convert array values from string to int?
...
Use this code with a closure (introduced in PHP 5.3), it's a bit faster than the accepted answer and for me, the intention to cast it to an integer, is clearer:
// if you have your values in the format '1,2,3,4', use this before:
// $stringArray = explode(',', '1,2,3,4');...
Use PHP to create, edit and delete crontab jobs?
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We recently prepared a mini project (PHP>=5.3) to manage the cron files for private and individual tasks. This tool connects and manages the cron files so you can use them, for example per project. Unit Tests available :-)
Sample from command line:
bin/cronman --en...
Copy entire contents of a directory to another using php
...ed me tweak the copy command: UNIX cp explained. Additional info: PHP >=5.3 offers some nice iterators
– maxpower9000
Nov 6 '15 at 9:47
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How do I compare two DateTime objects in PHP 5.2.8?
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@roberto DateTime::diff has only been added in PHP 5.3
– NeXuS
May 16 '17 at 4:19
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Check if PHP session has already started
...for most practical situations this answer should be good enough (until PHP 5.3 is never seen any more...)
– Darren Cook
Mar 2 '14 at 7:43
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Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
...7亿人实现手机支付，占手机网民的39.0%。
Uber有一套简单易行的运营模式。每个城市以“三人小分队”为主：市场经理负责发展用户，运营经理负责扩展司机和车辆，总经理主管全面工作和与政府打交道。地区团队之间相互平行...
Unicode and UTF-8 - C/C++ - 清泛网 - 专注C/C++及内核技术
...且不太好移植(Not Portable)
例如：char *s=“Good ,北京”;该C语言代码采用UTF-16编码后，字节序列中间有许多’\0’，’\0’ 会被识别为字符串的终止，strlen()函数不起用了。
2）、存储空间较大，造成存储及带宽的极大...
error C2440: “return”: 无法从“const Screen”转换为“Screen &” - C/...
...
{
os << contents << '\n';
return *this;
}
解决办法： c++语言规定，不能从const成员函数返回指向类对象的普通引用，const成员函数只能返回*this作为一个const引用。因此解决办法即是，把成员函数声明为 const Screen& display(std::ostrea...