QuickHashIntSet::add
PHP function
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(PECL quickhash >= Unknown)
This method adds a new entry to the set
Description
QuickHashIntSet::add(int $key): bool
This method adds a new entry to the set, and returns whether the entry was added. Entries are by default always added unless QuickHashIntSet::CHECK_FOR_DUPES has been passed when the set was created.
Parameters
keyThe key of the entry to add.
Return Values
true when the entry was added, and false if the entry was not added.
Examples
QuickHashIntSet::add() example
php
<?php
echo "without dupe checking\n";
$set = new QuickHashIntSet( 1024 );
var_dump( $set->exists( 4 ) );
var_dump( $set->add( 4 ) );
var_dump( $set->exists( 4 ) );
var_dump( $set->add( 4 ) );
echo "\nwith dupe checking\n";
$set = new QuickHashIntSet( 1024, QuickHashIntSet::CHECK_FOR_DUPES );
var_dump( $set->exists( 4 ) );
var_dump( $set->add( 4 ) );
var_dump( $set->exists( 4 ) );
var_dump( $set->add( 4 ) );
?>The above example will output something similar to:
output
without dupe checking
bool(false)
bool(true)
bool(true)
bool(true)
with dupe checking
bool(false)
bool(true)
bool(true)
bool(false)