PHP Classes

PHP Hashtable Array: Store key-value pairs in hashed arrays

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Version License PHP version Categories
hashtable 1.0Free For Educatio...5PHP 5, Data types
Description 

Author

Dev Sharma

This class can store key-value pairs in hashed arrays.

It can compute an integer for the index of a hash table entry based on the key string.

The class uses the computed hash index to find the internal array position to find, insert, delete or update the value of the key, as well clear the whole hash table, check if an entry with a key exists, check if the list is empty or get the size of the list.

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Example

<?php
require_once 'hash.class.php';

//example 1
$init = new hashtable;
$init->set('test', 'data');

$result = $init->get('test'); //returns data as your value
//

//example 2
$init = new hashtable;
$init->set('test', 'data');
$init->set('test2', 55);
$init->deleteit('test');

$result = $init->get('test'); //the value does not exist
//

//example 3
$init = new hashtable;
$result = $init->isempty(); //true
$init->set('getme', 'apple');
$result1 = $init->isempty(); //false
//

//example 4
$init = new hashtable;
$init->set('getme', 'apple');
$init->set('getme2', 'apple2');
$init->set('getme3', 'apple3');

$result = $init->isempty();
if(!$result) $init->clear();

$result = $init->get('getme'); //the value does not exist
//

//example 5
$init = new hashtable;
$init->set('getme', 'apple');
$init->set('getme2', 'apple2');
$init->set('getme3', 'apple3');

$result = $init->getsize();

if($result >= 3) //code
//

//example 6
$init = new hashtable;
$init->set('getme', 'apple');
$init->set('getme2', 'apple2');
$init->set('getme3', 'apple3');

$result = $init->has('getme'); //true
//
?>

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Accessible without login Plain text file example.php Example An example
Plain text file hash.class.php Class main class

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