QuickHashStringIntHash::update()

(No version information available, might only be in Git)

This method updates an entry in the hash with a new value

说明

publicQuickHashStringIntHash::update(string $key,int $value): bool

This method updates an entry with a new value, and returns whether the entry was update. If there are duplicate keys, only the first found element will get an updated value. Use QuickHashStringIntHash::CHECK_FOR_DUPES during hash creation to prevent duplicate keys from being part of the hash.

参数

$key

The key of the entry to add.

$value

The new value for the entry. If a non-string is passed, it will be converted to a string automatically if possible.

返回值

TRUE when the entry was found and updated, and FALSE if the entry was not part of the hash already.

范例

Example #1 QuickHashStringIntHash::update() example

<?php
$hash = new QuickHashStringIntHash( 1024 );
$hash->add( 'six', 314159265 );
$hash->add( "a lot", 314159265 );
echo $hash->get( 'six' ), "\n";
echo $hash->get( 'a lot' ), "\n";
var_dump( $hash->update( 'a lot', 314159266 ) ); 
var_dump( $hash->update( "a lot plus one", 314159999 ) );
echo $hash->get( 'six' ), "\n";
echo $hash->get( 'a lot' ), "\n";
?>

以上例程的输出类似于：

314159265
314159265
bool(true)
bool(false)
314159265
314159266