This factory method creates a hash from a string


(PECL quickhash >= Unknown)

QuickHashIntStringHash::loadFromStringThis factory method creates a hash from a string

Описание

public static QuickHashIntStringHash QuickHashIntStringHash::loadFromString ( string $contents [, int $size = 0 [, int $options = 0 ]] )

This factory method creates a new hash from a definition in a string. The format is the same as the one used in "loadFromFile".

Список параметров

contents

The string containing a serialized format of the hash.

size

The amount of bucket lists to configure. The number you pass in will be automatically rounded up to the next power of two. It is also automatically limited from 4 to 4194304.

options

The same options that the class' constructor takes; except that the size option is ignored. It is automatically calculated to be the same as the number of entries in the hash, rounded up to the nearest power of two with a maximum limit of 4194304.

Возвращаемые значения

Returns a new QuickHashIntStringHash.

Примеры

Пример #1 QuickHashIntStringHash::loadFromString() example

<?php
$contents 
file_get_contentsdirname__FILE__ ) . "/simple.hash" );
$hash QuickHashIntStringHash::loadFromString(
    
$contents,
    
QuickHashIntStringHash::DO_NOT_USE_ZEND_ALLOC
);
foreach( 
range00x0f ) as $key )
{
    
printf"Key %3d (%2x) is %s\n",
        
$key$key
        
$hash->exists$key ) ? 'set' 'unset'
    
);
}
?>

Результатом выполнения данного примера будет что-то подобное:

 Key   0 ( 0) is unset Key   1 ( 1) is set Key   2 ( 2) is set Key   3 ( 3) is set Key   4 ( 4) is unset Key   5 ( 5) is set Key   6 ( 6) is unset Key   7 ( 7) is set Key   8 ( 8) is unset Key   9 ( 9) is unset Key  10 ( a) is unset Key  11 ( b) is set Key  12 ( c) is unset Key  13 ( d) is set Key  14 ( e) is unset Key  15 ( f) is unset