The Ds\Map::hasValue() function in PHP is used to check whether a given Value is present in the Map object or not. It accepts the value to be checked as a parameter and return True if the given Value is present in the Map otherwise it returns False.
Syntax:
bool public Ds\Map::hasValue ( mixed $value )
Parameter: It accepts a value to be checked as a parameter. The value is of the mixed type that is it can be a string or an integer or any other type of value.
Return value: This function returns a boolean value, True or False based on whether the given value is present in the Map or not.
Below program illustrate the Ds\Map::hasValue() function in PHP:
Program 1:
<?php // PHP program to illustrate the hasValue() // function of Ds\map // Creating a Map $map = new \Ds\Map(["1" => 5, "2" => 10, "3" => 15]); // check if the value 5 is present in the Map var_dump($map->hasValue(5)); ?> |
Output:
bool(true)
Program 2:
<?php // PHP program to illustrate the hasValue() // function of Ds\map // Creating a Map $map = new \Ds\Map(["1" => "Geeks", "2" => "for", "3" => "Geeks"]); // Check if the value "Geeks" is // present in the Map var_dump($map->hasValue("Geeks")); ?> |
Output:
bool(true)
Reference: http://php.net/manual/en/ds-map.hasvalue.php
