大约有 37,000 项符合查询结果(耗时:0.0410秒) [XML]
How to find out where a function is defined?
...
You could also do this in PHP itself:
$reflFunc = new ReflectionFunction('function_name');
print $reflFunc->getFileName() . ':' . $reflFunc->getStartLine();
share
...
Finding the PHP File (at run time) where a Class was Defined
Is there any reflection/introspection/magic in PHP that will let you find the PHP file where a particular class (or function) was defined?
...
How do I get the function name inside a function in PHP?
...
FUNCTION works for non-class functions as well. Tried on PHP 7.0.8.
– mvsagar
Jul 21 '17 at 13:58
Th...
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->forma...
PHP prepend associative array with literal keys?
... See also array_merge() and its difference from using the + operator: br.php.net/manual/en/function.array-merge.php#92602
– Havenard
Sep 3 '09 at 1:33
2
...
Multiple returns from a function
...
If only PHP had Perl's wantarray()
– Marc B
Aug 26 '10 at 22:22
8
...
Calling closure assigned to object property directly
...
As of PHP7, you can do
$obj = new StdClass;
$obj->fn = function($arg) { return "Hello $arg"; };
echo ($obj->fn)('World');
or use Closure::call(), though that doesn't work on a StdClass.
Before PHP7, you'd have to implem...
How to add elements to an empty array in PHP?
If I define an array in PHP such as (I don't define its size):
8 Answers
8
...
Remove first 4 characters of a string with PHP
How can I remove the first 4 characters of a string using PHP?
7 Answers
7
...
C# short/long/int literal format?
...by F or f is of type float. For example, the literals 1f, 1.5f, 1e10f, and 123.456F are all of type float.
A real literal suffixed by D or d is of type double. For example, the literals 1d, 1.5d, 1e10d, and 123.456D are all of type double.
A real literal suffixed by M or m is of type decimal. For ex...