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PHP Array Functions
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Author(s): SuperMemo Library
 
 
No. of items: 107
Rating: 4.0 (out of 5)
Last updated: Sep 30, 2003
 
 
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 Description
 
The collection presents basic information about array functions available in PHP - one of the most popular HTML-embedded scripting languages for creating dynamically built web pages. There are over 60 array functions available in PHP, allowing you to interact with and manipulate arrays in various ways. Arrays are essential for storing, managing, and operating on sets of variables.
 
 Sample
 
Q: php: Are multi-dimensional arrays supported by PHP?
A: Yes

Q: php: In PHP arrays may be either created by user or created by [...].
A: another function

Q: php: If you omit a key, the maximum of the integer-indices is taken, and the new key will be [...].
A: that maximum + 1

Q: php: What will be the result of using array or object as a key?
A: A warning: "Illegal offset type"

Q: php: What array will you get if you convert an object to an array?
A: An array with properties of that object as the array's elements.

Q: php: What two integer sorting order flags are used with array_multisort() function?
A: SORT_ASC and SORT_DESC

Q: php: What function computes the difference of arrays?
A: array_diff

Q: php: What function checks if the given key or index exists in the array?
A: array_key_exists

Q: php: What function returns an array with elements in reverse order?
A: array_reverse

Q: php: What functions count elements in an array?
A: count or sizeof

 
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To use this material you need the SuperMemo software Go to another website with more information. In the table below can you find what versions of SuperMemo the PHP Array Functions collection is compatible with

SM6 Go to another website with more information SM7 Go to another website with more information SM8 Go to another website with more information SM98 Go to another website with more information SM99 Go to another website with more information SM2000 Go to another website with more information SM2002 Go to another website with more information Palm SM Go to another website with more information SMCE Go to another website with more information
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PHP Introductory Course4.0 (out of 5)
 
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