Php/docs/quickhashintset.delete

• PHP Manual
• QuickHashIntSet
• This method deletes an entry from the set

QuickHashIntSet::delete

(PECL quickhash >= Unknown)

QuickHashIntSet::delete — This method deletes an entry from the set

说明

public QuickHashIntSet::delete ( int $key ) : bool

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.

参数

key

The key of the entry to delete.

返回值

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

范例

Example #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 ) );?>

以上例程的输出类似于：

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