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This factory method creates a set from a string


QuickHashIntSet::loadFromString

(PECL quickhash >= Unknown)

QuickHashIntSet::loadFromStringThis factory method creates a set from a string

Description

public static QuickHashIntSet QuickHashIntSet::loadFromString ( string $contents [, int $size [, int $options ]] )

This factory method creates a new set from a definition in a string. The file format consists of 32 bit signed integers packed together in the Endianness that the system that the code runs on uses.

Parameters

contents

The string containing a serialized format of the set.

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 set, rounded up to the nearest power of two automatically limited from 64 to 4194304.

Return Values

Returns a new QuickHashIntSet.

Examples

Example #1 QuickHashIntSet::loadFromString() example

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

The above example will output something similar to:

 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 



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