Change Column Headers in Array with Unset: PHP -

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i'm trying change text gets written first row, column header, of csv. i'm trying use unset, it's not working. referencing wrong array? appreciated. code below:

for ($x=0; $x<$count; $x++) {     $currentrecord = $response['data'][$x];     $jsondatainarray[] = array     (         "b98336b40c8420dc2f1401d6451b1b47198eee6d" => $response['data'][$x]['b98336b40c8420dc2f1401d6451b1b47198eee6d'],         "17a14a9da9815451ff5ffc669d407e8b0376b06b" => $response['data'][$x]['17a14a9da9815451ff5ffc669d407e8b0376b06b'],         "3eedd4fd08f44a72d911dc4934a6916f3b31911b" => $response['data'][$x]['3eedd4fd08f44a72d911dc4934a6916f3b31911b'],         "52ede287f6c55eb6b12821ca24f74098779abdce" => $response['data'][$x]['52ede287f6c55eb6b12821ca24f74098779abdce'],         "13916ba291ab595f27aefbff8b6c43a3fb467b72" => $response['data'][$x]['13916ba291ab595f27aefbff8b6c43a3fb467b72']     ) )  //change key names. $jsondatainarray["col1"] = $jsondatainarray["b98336b40c8420dc2f1401d6451b1b47198eee6d"]; unset($jsondatainarray["b98336b40c8420dc2f1401d6451b1b47198eee6d"]);  //first row of data  $test_array = $jsondatainarray[0];    //open file write towards if($startpos == 0){     $fp = fopen('output.csv', 'w');     fputcsv($fp, array_keys($response['data'][0])); }else{     $fp = fopen('output.csv', 'a'); }  //write data foreach ($jsondatainarray $fields) {     fputcsv($fp, $fields); }

my current output is:

b98336b40c8420dc2f1401d6451b1b47198eee6d|17a14a9da9815451ff5ffc669d407e8b0376b06b|3eedd4fd08f44a72d911dc4934a6916f3b31911b|52ede287f6c55eb6b12821ca24f74098779abdce 4616|||stuff

my desired output be

col1|17a14a9da9815451ff5ffc669d407e8b0376b06b|3eedd4fd08f44a72d911dc4934a6916f3b31911b|52ede287f6c55eb6b12821ca24f74098779abdce 4616|||stuff

your $jsondatainarray has numerical indexes, each of contains array.

replace

$jsondatainarray["col1"] = $jsondatainarray["b98336b40c8420dc2f1401d6451b1b47198eee6d"]; unset($jsondatainarray["b98336b40c8420dc2f1401d6451b1b47198eee6d"]);

with

$jsondatainarray[0]["col1"] = $jsondatainarray[0]["b98336b40c8420dc2f1401d6451b1b47198eee6d"]; unset($jsondatainarray[0]["b98336b40c8420dc2f1401d6451b1b47198eee6d"]);

to have work in test, you'll want replace loop have change each entry.


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