GoLang Ds\Set::contains

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PHP Ds\Set::contains

PHP original manual for Ds\Set::contains [ show | php.net ]

Ds\Set::contains

(PECL ds >= 1.0.0)

Ds\Set::containsDetermines if the set contains all values

Description

public bool Ds\Set::contains ([ mixed $...values ] )

Determines if the set contains all values.

Note:

Values of type object are supported. If an object implements Ds\Hashable, equality will be determined by the object's equals function. If an object does not implement Ds\Hashable, objects must be references to the same instance to be considered equal.

Caution

All comparisons are strict (type and value).

Parameters

values

Values to check.

Return Values

FALSE if any of the provided values are not in the set, TRUE otherwise.

Examples

Example #1 Ds\Set::contains() example

<?php
$set 
= new \Ds\Set([123]);

var_dump($set->contains(1));                // true
var_dump($set->contains(12));             // true
var_dump($set->contains(...[12]));        // true

var_dump($set->contains("1"));              // false
var_dump($set->contains(...[1234]));  // false

var_dump($set->contains(...[]));            // true
?>

The above example will output something similar to:

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