The Ds\Vector::contains() function is an inbuilt function in PHP which is used to check the vector contains given value or not.
Syntax:
bool public Ds\Vector::contains( $values )
Parameters: This function accepts a single parameter $values which contains single/many values.
Return Value: This function returns true if the given value exists, false otherwise.
Below programs illustrate the Ds\Vector::contains() function in PHP:
Program 1:
<?php // Create a vector $vector = new \Ds\Vector([1, 2, 3, 4, 5]);
// Use contains() function to check // existence of vector elements var_dump( $vector ->contains(1));
var_dump( $vector ->contains(1, 2));
var_dump( $vector ->contains(10));
?> |
Output:
bool(true) bool(true) bool(false)
Program 2:
<?php // Create a vector $vector = new \Ds\Vector([ "geeks" , "for" , "geeks" ]);
// Use contains() function to check // existence of vector elements var_dump( $vector ->contains( "geeks" ));
var_dump( $vector ->contains( "geeks" , "for" ));
var_dump( $vector ->contains( "GfG" ));
?> |
Output:
bool(true) bool(true) bool(false)