array-key

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array size > 0 although no key is set

short question. given the following example: $arr = array(); $arr[0] = false ?: NULL; var_dump($arr[0]); var_dump($arr[1]);[详细]

2023-04-07 03:39 分类：问答
How to get the position of a key within an array

Ok, so I need to grab the position of \'blah\' within this array (position will not always be the same).For example:[详细]

2023-04-05 10:23 分类：问答
How do I reassign array positions in php? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: How to re-index the values of an array in PHP?[详细]

2023-03-28 09:47 分类：问答
How to merge two arrays by taking over only values from the second array that has the same keys as the first one?

I\'d like to merge two arrays with each other: $filtered = a开发者_运维技巧rray(1 => \'a\', 3 => \'c\');[详细]

2023-03-17 10:55 分类：问答
PHP: Multidimensional array, multidimensional keys?

$products = array( \'paper\' => \"Paper Section\" => array ( \'copier\' => \"Copier and Multipurpose\",[详细]

2023-03-14 09:17 分类：问答
Custom sorting keys in array using self-created alphabet

In python, I have the following which works perfectly well: list = [(\'wr\', [\'A1\']), (\'wr-qA\', [\'A3\']), (\'wr,w\', [\'A4\']), (\'wr-mw\', [\'A2\']), (\'wrs\', [\'A6\']), (\'wrD\', [\'A8\']), (\[详细]

2023-03-13 14:30 分类：问答
explode an array and add array keys

I have a string that looks like this, IT, MEDIA, ADVERTISING I am then doing the following code. $criteria = explode(\",\", $string);[详细]

2023-03-10 20:15 分类：问答
How can I account for headers that don't follow proper capitalization?

Updated Question: When using get_headers() with the format option to use named array keys (rather than numbered keys), how can I account for situations like the server using Content-type rather than[详细]

2023-02-12 10:02 分类：问答
How does PHP handle integer indexed non-consecutive keyed arrays?

I\'m curious a开发者_如何学编程s to how efficient it is in PHP to store an array with integer indices that are non-consecutive.[详细]

2023-02-07 09:13 分类：问答
array_key_exists is not working

array_key_exists is not working for large multidimensional array. For ex $arr = array( \'1\' => 10,[详细]

2023-01-01 13:24 分类：问答