php - json file malformed - how to find out where? -


i'm developing website using weatherapi. intend fetch weather using cityid in citylist.json file. users wil enter city name, hoping extract cityid json , use cityid fetch weather using api. there error in json. 

    if (file_exists('citylist.json')) {          $cityarray = file_get_contents("citylist.json");          $cityaa = json_decode($cityarray,true);              switch (json_last_error()) {                 case json_error_none:                     echo ' - no errors';                 break;                 case json_error_depth:                     echo ' - maximum stack depth exceeded';                 break;                 case json_error_state_mismatch:                     echo ' - underflow or modes mismatch';                 break;                 case json_error_ctrl_char:                     echo ' - unexpected control character found';                 break;                 case json_error_syntax:                     echo ' - syntax error, malformed json';                 break;                 case json_error_utf8:                     echo ' - malformed utf-8 characters, possibly incorrectly encoded';                 break;                 default:                     echo ' - unknown error';                 break;             }         print_r($cityaa);                    }

the json around 12mb. here first few lines

{     "_id": 14256,     "coord": {         "lon": 48.570728,         "lat": 34.790878     },     "country": "ir",     "geoname": {         "cl": "p",         "code": "ppl",         "parent": 132142     },     "langs": [{         "de": "azad shahr"     },     {         "fa": "آزادشهر"     }],     "name": "azadshahr",     "stat": {         "level": 1.0,         "population": 514102     },     "stations": [{         "id": 7030,         "dist": 9,         "kf": 1     }],     "zoom": 10 }{     "_id": 18918,     "coord": {         "lon": 34.058331,         "lat": 35.012501     },     "country": "cy",     "geoname": {         "cl": "p",         "code": "ppl",         "parent": 146615     },     "langs": [{         "en": "protaras"     },     {         "ru": "Протарас"     }],     "name": "protaras",     "stat": {         "level": 1.0,         "population": 20230     },     "stations": [{         "id": 5448,         "dist": 42,         "kf": 1     }],     "zoom": 6 }

i've tried jsonlint file big guess. var_dump suggests syntax error, malformed json. cannot post image i'm not allowed.

how can find out json malformed?

this site can you: http://jsonlint.com/

in example provided can't pass 2 objects did. need put inside array.

 [obj,obj2]

fixed:

[{     "_id": 14256,     "coord": {         "lon": 48.570728,         "lat": 34.790878     },     "country": "ir",     "geoname": {         "cl": "p",         "code": "ppl",         "parent": 132142     },     "langs": [{         "de": "azad shahr"     }, {         "fa": "آزادشهر"     }],     "name": "azadshahr",     "stat": {         "level": 1.0,         "population": 514102     },     "stations": [{         "id": 7030,         "dist": 9,         "kf": 1     }],     "zoom": 10 }, {     "_id": 18918,     "coord": {         "lon": 34.058331,         "lat": 35.012501     },     "country": "cy",     "geoname": {         "cl": "p",         "code": "ppl",         "parent": 146615     },     "langs": [{         "en": "protaras"     }, {         "ru": "Протарас"     }],     "name": "protaras",     "stat": {         "level": 1.0,         "population": 20230     },     "stations": [{         "id": 5448,         "dist": 42,         "kf": 1     }],     "zoom": 6 }]

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