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Where do I put image files, css, js, etc. in Codeigniter?
...ing on my setup, something similar to:
application/helpers/utility_helper.php:
function asset_url(){
return base_url().'assets/';
}
I will usually keep common routines similar to this in the same file and autoload it with codeigniter's autoload configuration.
Note: autoload URL helper fo...
New self vs. new static
I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results?
...
What's the deal with a leading underscore in PHP class methods?
While looking over various PHP libraries I've noticed that a lot of people choose to prefix some class methods with a single underscore, such as
...
What does a \ (backslash) do in PHP (5.3+)?
What does a \ do in PHP?
4 Answers
4
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How to randomly select rows in SQL?
...rformance, this could be a better answer:
SELECT * FROM Table1
WHERE (ABS(CAST(
(BINARY_CHECKSUM
(keycol1, NEWID())) as int))
% 100) < 10
https://msdn.microsoft.com/en-us/library/cc441928.aspx
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Remove empty array elements
...ments that are i.e. exact string '0', you will need a custom callback:
// PHP 7.4 and later
print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== ''));
// PHP 5.3 and later
print_r(array_filter($linksArray, function($value) { return !is_null($value) && $...
How can I split a comma delimited string into an array in PHP?
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One way is to use count() (aka sizeof) - php.net/manual/en/function.count.php
– Matthew Groves
Nov 11 '15 at 13:19
2
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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
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PHP 7+
As of PHP 7, this task can be performed simply by using the Null coalescing operator like this :
echo !empty($address['street2']) ?? 'Empty';
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New Line on PHP CLI
I have a php CLI script and cannot get the output to break on new lines. I do
4 Answers
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Clojure 1.2.1/1.3/1.4 'proxy generated in Grails 2.0.0 runtime fails. 1.2.0 is fine
... an Issue called CLJ-944 on clojure.org. There you can find a fix for ClassCastException: clojure.lang.PersistentArrayMap cannot be cast to java.lang.Class issue
The problem is:
that the compiler injects an incorrect cast to
clojure.lang.PersistentHashMap. In this case it should probably be
...