大约有 2,600 项符合查询结果（耗时：0.0082秒） [XML]
PHP - concatenate or directly insert variables in string
... You can insert functions semi-indirectly into strings via PHP 5.3 variable functions. $x = function() { ...}; $string = "hello {$x(blah blah blah)}", which works around the "restriction".
– Marc B
Apr 9 '11 at 16:16
...
How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
...es use of the SKIP_DOTS flag introduced with the FilesystemIterator in PHP 5.3.0. Of course, the $todo could be an if/else. The important point is that CHILD_FIRST is used to iterate over the children (files) first before their parent (folders).
...
How to round float numbers in javascript?
...more flexibility:
Math.round10(5.25, 0); // 5
Math.round10(5.25, -1); // 5.3
Math.round10(5.25, -2); // 5.25
Math.round10(5, 0); // 5
Math.round10(5, -1); // 5
Math.round10(5, -2); // 5
Upd (2019-01-15). Seems like MDN docs no longer have this helper funcs. Here's a backup with example...
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?
...
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
...
How do I compare two DateTime objects in PHP 5.2.8?
...
@roberto DateTime::diff has only been added in PHP 5.3
– NeXuS
May 16 '17 at 4:19
add a comment
|
...
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
...