Supported Versions: PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8
Removes duplicate values from an array
<?php array_unique(array $array, int $flags = SORT_STRING): array
<?php             'E3_882_001',

            'E3_883_001',

        ],

        'category2_10' => $it1_1_c2_10 = array_unique(

            array_merge(

                $it1_1_c2_1,

                $it1_1_c2_2,

                $it1_1_c2_3,

                $it1_1_c2_4

            )

        ),

        'category2_11' => $it1_1_c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_001',

            'E3_883_001',

        ],

        'category2_10' => $it1_4_c2_10 = array_unique(

            array_merge(

                $it1_4_c2_1,

                $it1_4_c2_2,

                $it1_4_c2_4,

                $it1_4_c2_5,

                $it1_4_c2_7

            )

        ),

        'category2_11' => $it1_4_c2_10,

    ],
<?php             'E3_883_003',

            'E3_883_004',

        ],

        'category2_10' => $it2_1_c2_10 = array_unique(

            array_merge(

                $it2_1_c1_1,

                $it2_1_c1_2,

                $it2_1_c2_3,

                $it2_1_c2_4,

                $it2_1_c2_7,

            )

        ),

        'category2_11' => $it2_1_c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_002',

            'E3_883_002',

        ],

        'category2_10' => $it3_1_c2_10 = array_unique(

            array_merge(

                $it3_1_c2_1,

                $it3_1_c2_2,

                $it3_1_c2_3,

                $it3_1_c2_5,

                $it3_1_c2_7

            )

        ),

        'category2_11' => $it3_1_c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_001',

            'E3_883_001',

        ],

        'category2_10' => $it3_2_c2_10 = array_unique(

            array_merge(

                $it3_2_c2_1,

                $it3_2_c2_2,

                $it3_2_c2_3,

                $it3_2_c2_5,

                $it3_2_c2_7

            )

        ),

        'category2_11' => $it3_2_c2_10,

        'category2_95' => [],

    ],
<?php             'E3_883_004',

        ],

        'category2_9' => [],

        'category2_10' => $it5_2_c2_10 = array_unique(

            array_merge(

                $it5_2_c2_1,

                $it5_2_c2_2,

                $it5_2_c2_3,

                $it5_2_c2_4,

                $it5_2_c2_5,

                $it5_2_c2_7,

            )

        ),

        'category2_11' => $it5_2_c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_001',

            'E3_883_001',

        ],

        'category2_10' => $it7_2c2_10 = array_unique(

            array_merge(

                $it7_2c2_1,

                $it7_2c2_2,

                $it7_2c2_3,

                $it7_2c2_4,

                $it7_2c2_7,

            )

        ),

        'category2_11' => $it7_2c2_10,

        'category2_95' => [],

    ],
<?php             'E3_883_001',

            'E3_883_002',

        ],

        'category2_10' => $it13_1c2_10 = array_unique(

            array_merge(

                $it13_1c2_1,

                $it13_1c2_2,

                $it13_1c2_3,

                $it13_1c2_4,

                $it13_1c2_7,

            )

        ),

        'category2_11' => $it13_1c2_10,

        'category2_95' => [],

    ],
<?php             'E3_313_004',

        ],

        'category2_5' => $it13_2c2_4,

        'category2_10' => $it13_2c2_10 = array_unique(

            array_merge(

                $it13_2c2_3,

                $it13_2c2_4,

            )

        ),

        'category2_11' => $it13_2c2_10,

        'category2_95' => [],

    ],
<?php             'E3_883_001',

            'E3_883_002',

        ],

        'category2_10' => $it13_31c2_10 = array_unique(

            array_merge(

                $it13_31c2_1,

                $it13_31c2_2,

                $it13_31c2_3,

                $it13_31c2_4,

                $it13_31c2_7,

            )

        ),

        'category2_11' => $it13_31c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_003',

            'E3_883_003',

        ],

        'category2_10' => $it14_1c2_10 = array_unique(

            array_merge(

                $it14_1c2_1,

                $it14_1c2_2,

                $it14_1c2_4,

                $it14_1c2_7,

            )

        ),

        'category2_11' => $it14_1c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_004',

            'E3_883_004',

        ],

        'category2_10' => $it14_2c2_10 = array_unique(

            array_merge(

                $it14_2c2_1,

                $it14_2c2_2,

                $it14_2c2_4,

                $it14_2c2_7,

            )

        ),

        'category2_11' => $it14_2c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_003',

            'E3_883_003',

        ],

        'category2_10' => $it14_3c2_10 = array_unique(

            array_merge(

                $it14_3c2_3,

                $it14_3c2_4,

                $it14_3c2_5,

                $it14_3c2_7,

            )

        ),

        'category2_11' => $it14_3c2_10,

        'category2_95' => [],

    ],
<?php             'E3_882_004',

            'E3_883_004',

        ],

        'category2_10' => $it14_4c2_10 = array_unique(

            array_merge(

                $it14_4c2_3,

                $it14_4c2_4,

                $it14_4c2_5,

                $it14_4c2_7,

            )

        ),

        'category2_11' => $it14_4c2_10,

        'category2_95' => [],

    ],
<?php             'E3_883_003',

            'E3_883_004',

        ],

        'category2_10' => $it14_31c2_10 = array_unique(

            array_merge(

                $it14_31c2_1,

                $it14_31c2_2,

                $it14_31c2_3,

                $it14_31c2_4,

                $it14_31c2_7,

            )

        ),

        'category2_11' => $it14_31c2_10,

        'category2_95' => [],

    ],