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Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element?
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PHP's array_map including keys
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Not with array_map, as it doesn't handle keys.
array_walk does:
$test_array = array("first_key" => "first_value",
"second_key" => "second_value");
array_walk($test_array, function(&$a, $b) { $a = "$b lo...
How to check if PHP array is associative or sequential?
PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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Insert new item in array on any position in PHP
How can I insert a new item into an array on any position, for example in the middle of array?
18 Answers
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+ operator for array in PHP?
What does + mean for array in PHP?
8 Answers
8
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Check if an array is empty or exists
...loading for the first time, I need to check if there is an image in image_array and load the last image.
22 Answers
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Sort an Array by keys based on another Array?
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Just use array_merge or array_replace. Array_merge works by starting with the array you give it (in the proper order) and overwriting/adding the keys with data from your actual array:
$customer['address'] = '123 fake st';
$customer['...
How to Flatten a Multidimensional Array?
Is it possible, in PHP, to flatten a (bi/multi)dimensional array without using recursion or references?
29 Answers
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How come an array's address is equal to its value in C?
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The name of an array usually evaluates to the address of the first element of the array, so array and &array have the same value (but different types, so array+1 and &array+1 will not be equal if the array is more than 1 element lon...
C dynamically growing array
...ogram that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes...
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