QuickHashIntHash::exists

(PECL quickhash >= Unknown)

QuickHashIntHash::existsThis method checks whether a key is part of the hash

Опис

public bool QuickHashIntHash::exists ( int $key )

This method checks whether an entry with the provided key exists in the hash.

Параметри

key

The key of the entry to check for whether it exists in the hash.

Значення, що повертаються

Returns TRUE when the entry was found, or FALSE when the entry is not found.

Приклади

Приклад #1 QuickHashIntHash::exists() example

<?php
//generate 200000 elements
$array range0199999 );
$existingEntries array_randarray_flip$array ), 180000 );
$testForEntries array_randarray_flip$array ), 1000 );
$foundCount 0;

echo 
"Creating hash: "microtimetrue ), "\n";
$hash = new QuickHashIntHash100000 );
echo 
"Adding elements: "microtimetrue ), "\n";
foreach( 
$existingEntries as $key )
{
     
$hash->add$key56 );
}

echo 
"Doing 1000 tests: "microtimetrue ), "\n";
foreach( 
$testForEntries as $key )
{
     
$foundCount += $hash->exists$key );
}
echo 
"Done, $foundCount found: "microtimetrue ), "\n";
?>

Наведений вище приклад виведе щось подібне до:

Creating hash: 1263588703.0748
Adding elements: 1263588703.0757
Doing 1000 tests: 1263588703.7851
Done, 898 found: 1263588703.7897

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top