QuickHashIntSet::delete

This method deletes an entry from the set

説明

public bool QuickHashIntSet::delete(int $key)

This method deletes an entry from the set, and returns whether the entry was deleted or not. Associated memory structures will not be freed immediately, but rather when the set itself is freed.

パラメータ

key: The key of the entry to delete.

戻り値

true when the entry was deleted, and false if the entry was not deleted.

例

例1 QuickHashIntSet::delete example

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

上の例の出力は、たとえば以下のようになります。

bool(false)
bool(true)
bool(true)
bool(false)
bool(false)