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Getting the array length of a 2D array in Java
I need to get the length of a 2D array for both the row and column. I’ve successfully done this, using the following code:
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in_array multiple values
...make sure the intersection is precisely equal to the targets:
$haystack = array(...);
$target = array('foo', 'bar');
if(count(array_intersect($haystack, $target)) == count($target)){
// all of $target is in $haystack
}
Note that you only need to verify the size of the resulting intersection...
How can I concatenate two arrays in Java?
I need to concatenate two String arrays in Java.
61 Answers
61
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How to solve PHP error 'Notice: Array to string conversion in…'
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When you have many HTML inputs named C[] what you get in the POST array on the other end is an array of these values in $_POST['C']. So when you echo that, you are trying to print an array, so all it does is print Array and a notice.
To print properly an array, you either loop through it a...
PHP - Get key name of array value
I have an array as the following:
9 Answers
9
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How do you clone an Array of Objects in Javascript?
...where each object also has references to other objects within the same array?
33 Answers
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How do I find the length of an array?
Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.
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How to determine the first and last iteration in a foreach loop?
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You could use a counter:
$i = 0;
$len = count($array);
foreach ($array as $item) {
if ($i == 0) {
// first
} else if ($i == $len - 1) {
// last
}
// …
$i++;
}
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php check if array contains all array values from another array
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Look at array_intersect().
$containsSearch = count(array_intersect($search_this, $all)) == count($search_this);
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Returning first x items from array
I want to return first 5 items from array. How can I do this?
5 Answers
5
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