QuickHashIntSet::add
(PECL quickhash >= Unknown)
QuickHashIntSet::add — This method adds a new entry to the set
Description
public 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
-
key -
The key of the entry to add.
Return Values
true when the entry was added, and false if the entry was not added.
Examples
Example #1 QuickHashIntSet::add() example
<?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:
without dupe checking bool(false) bool(true) bool(true) bool(true) with dupe checking bool(false) bool(true) bool(true) bool(false)
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