QuickHashIntHash::exists
(PECL quickhash >= Unknown)
QuickHashIntHash::exists — This method checks whether a key is part of the hash
Description
public bool QuickHashIntHash::exists ( int $key )This method checks whether an entry with the provided key exists in the hash.
Parameters
key
The key of the entry to check for whether it exists in the hash.
Return Values
Returns TRUE when the entry was found, or FALSE when the entry is not found.
Examples
Example #1 QuickHashIntHash::exists() example
<?php
//generate?200000?elements
$array?=?range(?0,?199999?);
$existingEntries?=?array_rand(?array_flip(?$array?),?180000?);
$testForEntries?=?array_rand(?array_flip(?$array?),?1000?);
$foundCount?=?0;
echo?"Creating?hash:?",?microtime(?true?),?"\n";
$hash?=?new?QuickHashIntHash(?100000?);
echo?"Adding?elements:?",?microtime(?true?),?"\n";
foreach(?$existingEntries?as?$key?)
{
?????$hash->add(?$key,?56?);
}
echo?"Doing?1000?tests:?",?microtime(?true?),?"\n";
foreach(?$testForEntries?as?$key?)
{
?????$foundCount?+=?$hash->exists(?$key?);
}
echo?"Done,?$foundCount?found:?",?microtime(?true?),?"\n";
?>The above example will output something similar to:
Creating hash: 1263588703.0748
Adding elements: 1263588703.0757
Doing 1000 tests: 1263588703.7851
Done, 898 found: 1263588703.7897← QuickHashIntHash::delete
QuickHashIntHash::get →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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