This method stores an in-memory hash to disk

# QuickHashStringIntHash::saveToFile

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QuickHashStringIntHash::saveToFile — This method stores an in-memory hash to disk

### 説明

public function QuickHashStringIntHash::saveToFile(string `$filename`): void

This method stores an existing hash to a file on disk, in the same format that loadFromFile() can read.

### パラメータ

`filename`
  The filename of the file to store the hash in.

### 戻り値

値を返しません。

### 例

例1 QuickHashStringIntHash::saveToFile() example

    <?php
    $hash = new QuickHashStringIntHash( 1024 );
    var_dump( $hash->add( "forty three", 42 ) );
    var_dump( $hash->add( "fifty two", 52 ) );

    $hash->saveToFile( '/tmp/test.hash.string' );
    ?>

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