大约有 37,000 项符合查询结果(耗时:0.0489秒) [XML]

https://stackoverflow.com/ques... 

Are PHP functions case sensitive?

...gging through some code, and I found some calls to mySQL_fetch_array . Is PHP case sensitive about function names? I recall reading this somewhere but can't seem to find any reference to it. ...
https://stackoverflow.com/ques... 

How to trim white spaces of array values in php

... array_walk() can be used with trim() to trim array <?php function trim_value(&$value) { $value = trim($value); } $fruit = array('apple','banana ', ' cranberry '); var_dump($fruit); array_walk($fruit, 'trim_value'); var_dump($fruit); ?> See 2nd example at http...
https://stackoverflow.com/ques... 

Best way to give a variable a default value (simulate Perl ||, ||= )

... In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this: $name = $_GET['name'] ?? 'john doe'; This is equivalent to $name = isset($_GET['name']) ? $_GET['name'...
https://stackoverflow.com/ques... 

How to insert an item at the beginning of an array in PHP?

...ssociative array or need to preserve keys then see the user examples here: php.net/manual/en/function.array-unshift.php there are a couple good examples of how to accomplish this! – Vallier Aug 22 '19 at 21:59 ...
https://stackoverflow.com/ques... 

What does new self(); mean in PHP?

...ParentClass -- i.e. here too, the class in which it is written. With PHP < 5.3, that "the class in which it is written" is important -- and can sometimes cause problems. That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in thos...
https://stackoverflow.com/ques... 

insert multiple rows via a php array into mysql

I'm passing a large dataset into a MySQL table via PHP using insert commands and I'm wondering if its possible to insert approximately 1000 rows at a time via a query other than appending each value on the end of a mile long string and then executing it. I am using the CodeIgniter framework so its f...
https://stackoverflow.com/ques... 

how to detect search engine bots with php?

How can one detect the search engine bots using php? 16 Answers 16 ...
https://stackoverflow.com/ques... 

Get week of year in JavaScript like in PHP

How do I get the current weeknumber of the year, like PHP's date('W') ? 19 Answers 19...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

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? ...