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@ 2021-07-09T16:25:11Z

<?php

    class my_obj
    {
            public $term_id;
            public $name;
            public $slug;

            public function __construct($i, $n, $s)
            {
                    $this->term_id = $i;
                    $this->name = $n;
                    $this->slug = $s;
            }
    }

    $objA = new my_obj(23, "Assasination", "assasination");
    $objB = new my_obj(14, "Campaign Finance", "campaign-finance");
    $objC = new my_obj(15, "Campaign Finance", "campaign-finance-good-government-political-reform");

    $array = array($objA, $objB, $objC);
    echo "Original array:\n";
    print_r($array);

    /** Answer Code begins here */
    $filtered = array_intersect_key($array, array_unique(array_column($array, 'name')));
    /** Answer Code ends here */
    
    echo "After removing duplicates\n";
    print_r($filtered);

Output for git.master, git.master_jit, rfc.property-hooks: Original array: Array ( [0] => my_obj Object ( [term_id] => 23 [name] => Assasination [slug] => assasination ) [1] => my_obj Object ( [term_id] => 14 [name] => Campaign Finance [slug] => campaign-finance ) [2] => my_obj Object ( [term_id] => 15 [name] => Campaign Finance [slug] => campaign-finance-good-government-political-reform ) ) After removing duplicates Array ( [0] => my_obj Object ( [term_id] => 23 [name] => Assasination [slug] => assasination ) [1] => my_obj Object ( [term_id] => 14 [name] => Campaign Finance [slug] => campaign-finance ) )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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