Replace Object inside an Array in php

Question

I have one array having multiple objects (say 3 Objects), each having 3 "Key-Value" pairs.

$PredefinedResult is something like this :

[
    {
        "EffectiveStatusId":0,
        "EffectiveStatus":"abc",
        "RecordCount":0
    },
    {
        "EffectiveStatusId":0,
        "EffectiveStatus":"def",
        "RecordCount":0
    },
    {
        "EffectiveStatusId":0,
        "EffectiveStatus":"ghi",
        "RecordCount":0
    }
]

I have another array of objects named $MainResult with values like :

[
    {
        "EffectiveStatusId":1,
        "EffectiveStatus":"abc",
        "RecordCount":7
    },
    {
        "EffectiveStatusId":6,
        "EffectiveStatus":"def",
        "RecordCount":91
    }
]

Expected Result :

I want to replace the similar objects inside $PredefinedResult with the objects from $MainResult and want result like this :

[
    {
        "EffectiveStatusId":1,
        "EffectiveStatus":"abc",
        "RecordCount":7
    },
    {
        "EffectiveStatusId":6,
        "EffectiveStatus":"def",
        "RecordCount":91
    },
    {
         "EffectiveStatusId":0,
         "EffectiveStatus":"ghi",
         "RecordCount":0
    }
]

What I tried :

I tried with this code but it's not giving me the desired result.

$FinalResult = array_replace($PredefineResult,$MainResult);

Can anyone help me on how to get the Expected Result as mentioned above ?

@AmalMurali : No, I have just formatted it so that everyone can see the result what i want. Actually it's an Array of Objects. — Jignesh.Raj
– Jignesh.Raj, Commented Sep 23, 2013 at 12:38

gen_Eric · Accepted Answer · 2013-09-23 14:54:51Z

3

There's no "built-in" function for this. You're gonna have to loop and compare each manually. array_map seems like an OK choice here:

$PredefinedResult = array_map(function($a) use($MainResult){
    foreach($MainResult as $data){
        if($a->EffectiveStatus === $data->EffectiveStatus){
            return $data;
        }
    }
    return $a;
}, $PredefinedResult);

DEMO: http://codepad.viper-7.com/OHBQK8

answered Sep 23, 2013 at 14:54

gen_Eric

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1 Comment

t.mikael.d Over a year ago

Demo no longer accessible.

Jeyasithar · Accepted Answer · 2013-09-23 14:48:58Z

2

Iterate through the array and manual compare the values as follows.

$res = array();
foreach ($PredefineResult as $result){
    foreach ($MainResult as $mresult){
        if(($result->EffectiveStatus == $mresult->EffectiveStatus) && $mresult->RecordCount!=0){
            $res[] = $mresult;
        }else $res[] = $result;
    }
}
print_r($res);

edited Sep 23, 2013 at 14:48

answered Sep 23, 2013 at 12:42

Jeyasithar

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2 Comments

Jignesh.Raj Over a year ago

I don't think this is going to be work. Can you explain me how array_unique() will select only object with RecordCount != 0 ? See the result I want is that Object with RecordCount == 0 should be replaced with RecordCount != 0.

Jeyasithar Over a year ago

Seems your key is EffectiveStatus for each array. Then you have to go with foreach(); Let me update my answer accordingly.

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