QuickHashIntSet::add

(PECL quickhash >= Unknown)

QuickHashIntSet::add — This method adds a new entry to the set

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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.

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key: The key of the entry to add.

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TRUE when the entry was added, and FALSE if the entry was not added.

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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 ) );
?>

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without dupe checking
bool(false)
bool(true)
bool(true)
bool(true)

with dupe checking
bool(false)
bool(true)
bool(true)
bool(false)