Add Text to a particular element in JSON array with PHP

Question

I want add extra text to a particular element in array, from below INPUT, I want to change "Image":"12001116" to "Image":"wp-content/upload/12001116.jpg".

So I want add "wp-content/upload/" $value['Image']; ".jpg" Could someone please, Help!

INPUT

$json = '[
{
"Image":"12001116",
"Name":"Jean-Marc",
"CODE_POSTAL":"12630 ",
"VIL":"AGEN D AVEYRON",
"LATITUDE":"44.343518",
"LONGITUDE":"2.716004"
},
{
"Image":"1200558",
"Name":"Aurélien ",
"CODE_POSTAL":"12630 ",
"VIL":"AGEN D AVEYRON",
"LATITUDE":"42.343828",
"LONGITUDE":"2.920056"
}
]';

and OUTPUT should be

$json = '[
{
"Image":"wp-content/upload/12001116.jpg",
"Name":"Jean-Marc",
"CODE_POSTAL":"12630 ",
"VIL":"AGEN D AVEYRON",
"LATITUDE":"44.343518",
"LONGITUDE":"2.716004"
},
{
"Image":"wp-content/upload/1200558.jpg",
"Name":"Aurélien ",
"CODE_POSTAL":"12630 ",
"VIL":"AGEN D AVEYRON",
"LATITUDE":"42.343828",
"LONGITUDE":"2.920056"
}
]';

Ar Rakin · Accepted Answer · 2022-02-02 10:05:13Z

1

You can use array_map() to loop over the objects:

$json = json_decode($input); // $input is the JSON input string
$newJson = array_map(function ($obj) {
      $obj->Image = 'wp-content/upload/' . $obj->Image . '.jpg';
      return $obj;
}, $json);
$output = json_encode($newJson, JSON_PRETTY_PRINT);
echo $output; // done!

EDIT: If you don't want backslashes \, then change line 6 to:

$output = json_encode($newJson, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);

edited Feb 2, 2022 at 10:05

answered Feb 2, 2022 at 9:46

Ar Rakin

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11 Comments

Progrock Over a year ago

Missing extensions when concatenating. Please check your results.

Progrock Over a year ago

@RanjitT please give specifics rather than 'some error'. The above code works for me (minus jpg extensions). Is $input assigned/equal to your JSON string?

Ranjit T Over a year ago

@ArRakin , thank you so much you are a life saver. Its now showing "wp-content\/upload\/12001116.jpg" is it possible to make every \/ to just / because this is to load the image the server... but with this "\/" its not loading. Thanks again

Ranjit T Over a year ago

@ArRakin My goodness! It worked like a charm. Thank you so much. you too have a great day!

Ranjit T Over a year ago

@ArRakin Sorry to interrupt you again. if possible. could you please have a look at this. stackoverflow.com/questions/70948560/…

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