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PHP - Check if two arrays are equal
... in different order, using $a == $b or $a === $b fails, for example:
<?php
(array("x","y") == array("y","x")) === false;
?>
That is because the above means:
array(0 => "x", 1 => "y") vs. array(0 => "y", 1 => "x").
To solve that issue, use:
<?php
function array_equal($a...
Calculating the difference between two Java date instances
...oid. Rounding errors exist. Example 19th to 21st May says 1 day because it casts 1.99 to 1. Use round before casting to int.
– Pratik Mandrekar
May 1 '13 at 14:51
4
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PHP code to convert a MySQL query to CSV [closed]
What is the most efficient way to convert a MySQL query to CSV in PHP please?
6 Answers
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When would anyone use a union? Is it a remnant from the C-only days?
...pace.
We could use a wacky container of void* pointers to Bx objects with casts to retrieve them, but that's fugly and so C-style... but more importantly that would leave us with the lifetimes of many dynamically allocated objects to manage.
Instead, what can be done is this:
union Bee
{
B1 b...
Any way to break if statement in PHP?
Is there any command in PHP to stop executing the current or parent if statement, same as break or break(1) for switch / loop . For example
...
How to loop through an associative array and get the key? [duplicate]
...do:
foreach ($arr as $key => $value) {
echo $key;
}
As described in PHP docs.
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What's the difference between :: (double colon) and -> (arrow) in PHP?
There are two distinct ways to access methods in PHP, but what's the difference?
6 Answers
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Is there a use-case for singletons with database access in PHP?
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Singletons have very little - if not to say no - use in PHP.
In languages where objects live in shared memory, Singletons can be used to keep memory usage low. Instead of creating two objects, you reference an existing instance from the globally shared application memory. In PHP ...
How to retrieve the LoaderException property?
...ng it as one type, why create another variable with the same type and do a cast? This should suffice: catch (ReflectionTypeLoadException ex) { var loaderExceptions = ex.LoaderExceptions; }. Also, unless you expect the cast to fail and will check for null, it's better to do a direct cast so it will...
How to get file_get_contents() to work with HTTPS?
...he following script to see if there is an https wrapper available for your php scripts.
$w = stream_get_wrappers();
echo 'openssl: ', extension_loaded ('openssl') ? 'yes':'no', "\n";
echo 'http wrapper: ', in_array('http', $w) ? 'yes':'no', "\n";
echo 'https wrapper: ', in_array('https', $w) ? 'y...