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@ 2018-05-26T15:21:17Z

<?php

$array =    [    

    0 => [  
        "id"    =>  1,  
        "name"  => "Sammy",
        "phone" => "2348055643322",
        "email" => "sammy@abc.com"
    ],  
    1 => [  
        "id"    => 2,  
        "name"  => "Saheed",  
        "phone" => "",
        "email" => "saay@aol.com"
    ], 
    2 => [  
        "id"    => 3,  
        "name"  => "Edwin",  
        "phone" => "2348099993322",
        "email" => "eddy@gmail.com"
    ],
    3 => [  
        "id"    => 3,  
        "name"  => "Jonadab",  
        "phone" => "2348066773322",
        "email" => "jonadab@gmail.com"
    ],
    4 => [  
        "id"    => 3,  
        "name"  => "Mercy",  
        "phone" => "",
        "email" => "mercy@sysnet.com"
    ]

   ];

$phone = array_filter(array_column($array, "phone"));

$filtered = array_intersect_key($array, $phone);

Var_dump($filtered);

Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: array(3) { [0]=> array(4) { ["id"]=> int(1) ["name"]=> string(5) "Sammy" ["phone"]=> string(13) "2348055643322" ["email"]=> string(13) "sammy@abc.com" } [2]=> array(4) { ["id"]=> int(3) ["name"]=> string(5) "Edwin" ["phone"]=> string(13) "2348099993322" ["email"]=> string(14) "eddy@gmail.com" } [3]=> array(4) { ["id"]=> int(3) ["name"]=> string(7) "Jonadab" ["phone"]=> string(13) "2348066773322" ["email"]=> string(17) "jonadab@gmail.com" } }

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