This method returns a serialized version of the set

# QuickHashIntSet::saveToString

(PECL quickhash >= Unknown)

QuickHashIntSet::saveToString — This method returns a serialized version of the set

### 说明

public function QuickHashIntSet::saveToString(): string

This method returns a serialized version of the set in the same format that QuickHashIntSet::loadFromString() can read.

### 参数

此函数没有参数。

### 返回值

This method returns a string containing a serialized format of the set. Each element is stored as a four byte value in the Endianness that the current system uses.

### 示例

示例 #1 QuickHashIntSet::saveToString() example

    <?php
    $set = new QuickHashIntSet( 1024 );
    var_dump( $set->exists( 4 ) );
    var_dump( $set->add( 4 ) );
    var_dump( $set->exists( 4 ) );
    var_dump( $set->add( 4 ) );

    var_dump( $set->saveToString() );
    ?>

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