QuickHashIntStringHash::loadFromString

(PECL quickhash >= Unknown)

QuickHashIntStringHash::loadFromString — This factory method creates a hash from a string

Description

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

Parameters

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.

Return Values

Returns a new QuickHashIntStringHash.

Examples

<?php
$contents = file_get_contents( dirname( __FILE__ ) . "/simple.hash" );
$hash = QuickHashIntStringHash::loadFromString(
 $contents,
 QuickHashIntStringHash::DO_NOT_USE_ZEND_ALLOC
);
foreach( range( 0, 0x0f ) as $key )
{
 printf( "Key %3d (%2x) is %s\n",
 $key, $key,
 $hash->exists( $key ) ? 'set' : 'unset'
 );
}
?>

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