QuickHashStringIntHash::update
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QuickHashStringIntHash::update — This method updates an entry in the hash with a new value
説明
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.
パラメータ
key
-
The key of the entry to update.
value
-
The new value for the entry. If a non-string is passed, it will be converted to a string automatically if possible.
戻り値
true
when the entry was found and updated, and false
if the entry was
not part of the hash already.
例
例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";
?>
上の例の出力は、 たとえば以下のようになります。
314159265 314159265 bool(true) bool(false) 314159265 314159266