How to remove particular JSON element using PHP?

Question

Kindly help me to solve problem, how to remove particular JSON element using PHP. For clear idea kindly look into following example.

$print = '{"Table":[
{"Column":2,"Length":1,"Number":"A4","Row":12}, 
{"Column":2,"Length":1,"Number":"A3","Row":11},
{"Column":2,"Length":1,"Number":"A2","Row":9},
{"Column":2,"Length":1,"Number":"A1","Row":8},  
{"Column":3,"Length":1,"Number":"B4","Row":12},
{"Column":3,"Length":1,"Number":"B3","Row":11},
{"Column":3,"Length":1,"Number":"B2","Row":9},
{"Column":3,"Length":1,"Number":"B1","Row":8},
{"Column":4,"Length":1,"Number":"C4","Row":12},
{"Column":4,"Length":1,"Number":"C3","Row":11},  
{"Column":4,"Length":1,"Number":"C2","Row":9},
{"Column":4,"Length":1,"Number":"C1","Row":8}],"Times":[{"Address":null,"ContactNumbers":null,"ContactPersons":null,"PointId":"90","Landmark":"Kukatpally(Main Bus),Kukatpally, ,04024600350 8121971343 9533931290 9032005712","Location":"Kukatpally(Main Bus),Kukatpally, ,04024600350 8121971343 9533931290 9032005712","Name":null,"Time":"1195"}],"ResponseStatus":200,"Message":null}';

from the above JSON data I want to remove "Times" element and I want to get below JSON data.

 $print = '{"Table":[
    {"Column":2,"Length":1,"Number":"A4","Row":12}, 
    {"Column":2,"Length":1,"Number":"A3","Row":11},
    {"Column":2,"Length":1,"Number":"A2","Row":9},
    {"Column":2,"Length":1,"Number":"A1","Row":8},  
    {"Column":3,"Length":1,"Number":"B4","Row":12},
    {"Column":3,"Length":1,"Number":"B3","Row":11},
    {"Column":3,"Length":1,"Number":"B2","Row":9},
    {"Column":3,"Length":1,"Number":"B1","Row":8},
    {"Column":4,"Length":1,"Number":"C4","Row":12},
    {"Column":4,"Length":1,"Number":"C3","Row":11},  
    {"Column":4,"Length":1,"Number":"C2","Row":9},
    {"Column":4,"Length":1,"Number":"C1","Row":8}],"Times":null,"ResponseStatus":200,"Message":null}';

Kindly help me with solution for the above. I thank you in advance.

wayzz · Accepted Answer · 2015-03-05 08:41:26Z

This should do it:

 $jsonObject = json_decode($print); //converting the json to object
 unset($jsonObject->Times); // removing 'Times'
 $jsonEncode = json_encode($jsonObject); //converting back to json string

Tried and tested.

Before:

{"Table":[ {"Column":2,"Length":1,"Number":"A4","Row":12}, {"Column":2,"Length":1,"Number":"A3","Row":11}, {"Column":2,"Length":1,"Number":"A2","Row":9}, {"Column":2,"Length":1,"Number":"A1","Row":8}, {"Column":3,"Length":1,"Number":"B4","Row":12}, {"Column":3,"Length":1,"Number":"B3","Row":11}, {"Column":3,"Length":1,"Number":"B2","Row":9}, {"Column":3,"Length":1,"Number":"B1","Row":8}, {"Column":4,"Length":1,"Number":"C4","Row":12}, {"Column":4,"Length":1,"Number":"C3","Row":11}, {"Column":4,"Length":1,"Number":"C2","Row":9}, {"Column":4,"Length":1,"Number":"C1","Row":8}],"Times":[{"Address":null,"ContactNumbers":null,"ContactPersons":null,"PointId":"90","Landmark":"Kukatpally(Main Bus),Kukatpally, ,04024600350 8121971343 9533931290 9032005712","Location":"Kukatpally(Main Bus),Kukatpally, ,04024600350 8121971343 9533931290 9032005712","Name":null,"Time":"1195"}],"ResponseStatus":200,"Message":null}

After:

{"Table":[{"Column":2,"Length":1,"Number":"A4","Row":12},{"Column":2,"Length":1,"Number":"A3","Row":11},{"Column":2,"Length":1,"Number":"A2","Row":9},{"Column":2,"Length":1,"Number":"A1","Row":8},{"Column":3,"Length":1,"Number":"B4","Row":12},{"Column":3,"Length":1,"Number":"B3","Row":11},{"Column":3,"Length":1,"Number":"B2","Row":9},{"Column":3,"Length":1,"Number":"B1","Row":8},{"Column":4,"Length":1,"Number":"C4","Row":12},{"Column":4,"Length":1,"Number":"C3","Row":11},{"Column":4,"Length":1,"Number":"C2","Row":9},{"Column":4,"Length":1,"Number":"C1","Row":8}],"ResponseStatus":200,"Message":null}

json_decode

unset

json_encode

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