encoding/decoding json is giving me random decimals for all my numbers












0















The json I am reading has completely different numbers then the one that outputs to me. How can I fix this? I already tried using round() to round each number in a foreach loop. My php version is 7.2.13



external.json



{
"fruits": {
"banana": 84.4234563919,
"apple": 0.0715972684,
"orange": 4.808779748
}
}


output.json



{
"fruits": {
"banana": 84.4234563919000038367812521755695343017578125,
"apple": 0.0715972683999999970350103239979944191873073577880859375,
"orange": 4.80877974800000007604694474139250814914703369140625
}
}


test.php



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

$new_json = json_encode($json1, JSON_PRETTY_PRINT);
file_put_contents("test.json", $new_json);

?>


test2.php (trying to use round function) but still the same result



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2);
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>









share|improve this question

























  • I cannot reproduce your issue with straight PHP as you have above. Usually this issue occurs in Javascript.

    – Emmanuel
    Dec 25 '18 at 8:13











  • @Emmanuel I have no javascript in my code

    – Paul
    Dec 25 '18 at 8:29
















0















The json I am reading has completely different numbers then the one that outputs to me. How can I fix this? I already tried using round() to round each number in a foreach loop. My php version is 7.2.13



external.json



{
"fruits": {
"banana": 84.4234563919,
"apple": 0.0715972684,
"orange": 4.808779748
}
}


output.json



{
"fruits": {
"banana": 84.4234563919000038367812521755695343017578125,
"apple": 0.0715972683999999970350103239979944191873073577880859375,
"orange": 4.80877974800000007604694474139250814914703369140625
}
}


test.php



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

$new_json = json_encode($json1, JSON_PRETTY_PRINT);
file_put_contents("test.json", $new_json);

?>


test2.php (trying to use round function) but still the same result



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2);
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>









share|improve this question

























  • I cannot reproduce your issue with straight PHP as you have above. Usually this issue occurs in Javascript.

    – Emmanuel
    Dec 25 '18 at 8:13











  • @Emmanuel I have no javascript in my code

    – Paul
    Dec 25 '18 at 8:29














0












0








0








The json I am reading has completely different numbers then the one that outputs to me. How can I fix this? I already tried using round() to round each number in a foreach loop. My php version is 7.2.13



external.json



{
"fruits": {
"banana": 84.4234563919,
"apple": 0.0715972684,
"orange": 4.808779748
}
}


output.json



{
"fruits": {
"banana": 84.4234563919000038367812521755695343017578125,
"apple": 0.0715972683999999970350103239979944191873073577880859375,
"orange": 4.80877974800000007604694474139250814914703369140625
}
}


test.php



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

$new_json = json_encode($json1, JSON_PRETTY_PRINT);
file_put_contents("test.json", $new_json);

?>


test2.php (trying to use round function) but still the same result



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2);
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>









share|improve this question
















The json I am reading has completely different numbers then the one that outputs to me. How can I fix this? I already tried using round() to round each number in a foreach loop. My php version is 7.2.13



external.json



{
"fruits": {
"banana": 84.4234563919,
"apple": 0.0715972684,
"orange": 4.808779748
}
}


output.json



{
"fruits": {
"banana": 84.4234563919000038367812521755695343017578125,
"apple": 0.0715972683999999970350103239979944191873073577880859375,
"orange": 4.80877974800000007604694474139250814914703369140625
}
}


test.php



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

$new_json = json_encode($json1, JSON_PRETTY_PRINT);
file_put_contents("test.json", $new_json);

?>


test2.php (trying to use round function) but still the same result



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2);
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>






php json






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 25 '18 at 8:35







Paul

















asked Dec 25 '18 at 8:03









PaulPaul

205




205













  • I cannot reproduce your issue with straight PHP as you have above. Usually this issue occurs in Javascript.

    – Emmanuel
    Dec 25 '18 at 8:13











  • @Emmanuel I have no javascript in my code

    – Paul
    Dec 25 '18 at 8:29



















  • I cannot reproduce your issue with straight PHP as you have above. Usually this issue occurs in Javascript.

    – Emmanuel
    Dec 25 '18 at 8:13











  • @Emmanuel I have no javascript in my code

    – Paul
    Dec 25 '18 at 8:29

















I cannot reproduce your issue with straight PHP as you have above. Usually this issue occurs in Javascript.

– Emmanuel
Dec 25 '18 at 8:13





I cannot reproduce your issue with straight PHP as you have above. Usually this issue occurs in Javascript.

– Emmanuel
Dec 25 '18 at 8:13













@Emmanuel I have no javascript in my code

– Paul
Dec 25 '18 at 8:29





@Emmanuel I have no javascript in my code

– Paul
Dec 25 '18 at 8:29












1 Answer
1






active

oldest

votes


















0














in php 7.0 double numbers has this problem.



see this bug



my answer is change double numbers to string and after decode change it to number (you can add zero after decode)



or you can change your php.ini



serialize_precision = -1


see precision integer



You can add a empty string to each double value of your array,
Example for test2.php:



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2).'';
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>





share|improve this answer


























  • Can you show me how using my test2.php code as an example?

    – Paul
    Dec 25 '18 at 8:25











  • @Paul I will edit my answer

    – ttrasn
    Dec 25 '18 at 8:32











  • What if I want the original value? I don't want to round to anything, but just the original value from the external.json?

    – Paul
    Dec 25 '18 at 8:49











  • when the number is changed you can not find the real number but you can found near number to it with round()

    – ttrasn
    Dec 25 '18 at 9:14











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1 Answer
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1 Answer
1






active

oldest

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oldest

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active

oldest

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0














in php 7.0 double numbers has this problem.



see this bug



my answer is change double numbers to string and after decode change it to number (you can add zero after decode)



or you can change your php.ini



serialize_precision = -1


see precision integer



You can add a empty string to each double value of your array,
Example for test2.php:



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2).'';
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>





share|improve this answer


























  • Can you show me how using my test2.php code as an example?

    – Paul
    Dec 25 '18 at 8:25











  • @Paul I will edit my answer

    – ttrasn
    Dec 25 '18 at 8:32











  • What if I want the original value? I don't want to round to anything, but just the original value from the external.json?

    – Paul
    Dec 25 '18 at 8:49











  • when the number is changed you can not find the real number but you can found near number to it with round()

    – ttrasn
    Dec 25 '18 at 9:14
















0














in php 7.0 double numbers has this problem.



see this bug



my answer is change double numbers to string and after decode change it to number (you can add zero after decode)



or you can change your php.ini



serialize_precision = -1


see precision integer



You can add a empty string to each double value of your array,
Example for test2.php:



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2).'';
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>





share|improve this answer


























  • Can you show me how using my test2.php code as an example?

    – Paul
    Dec 25 '18 at 8:25











  • @Paul I will edit my answer

    – ttrasn
    Dec 25 '18 at 8:32











  • What if I want the original value? I don't want to round to anything, but just the original value from the external.json?

    – Paul
    Dec 25 '18 at 8:49











  • when the number is changed you can not find the real number but you can found near number to it with round()

    – ttrasn
    Dec 25 '18 at 9:14














0












0








0







in php 7.0 double numbers has this problem.



see this bug



my answer is change double numbers to string and after decode change it to number (you can add zero after decode)



or you can change your php.ini



serialize_precision = -1


see precision integer



You can add a empty string to each double value of your array,
Example for test2.php:



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2).'';
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>





share|improve this answer















in php 7.0 double numbers has this problem.



see this bug



my answer is change double numbers to string and after decode change it to number (you can add zero after decode)



or you can change your php.ini



serialize_precision = -1


see precision integer



You can add a empty string to each double value of your array,
Example for test2.php:



<?php

$contents1 = file_get_contents("external.json");
$json1 = json_decode($contents1, TRUE);

foreach ($json1['fruits'] as $key=>$value) {
$new_json['fruits'][$key] = round($value, 2).'';
}

$encoded_json = json_encode($new_json, JSON_PRETTY_PRINT);
file_put_contents("test.json", $encoded_json );

?>






share|improve this answer














share|improve this answer



share|improve this answer








edited Dec 25 '18 at 8:35

























answered Dec 25 '18 at 8:11









ttrasnttrasn

324513




324513













  • Can you show me how using my test2.php code as an example?

    – Paul
    Dec 25 '18 at 8:25











  • @Paul I will edit my answer

    – ttrasn
    Dec 25 '18 at 8:32











  • What if I want the original value? I don't want to round to anything, but just the original value from the external.json?

    – Paul
    Dec 25 '18 at 8:49











  • when the number is changed you can not find the real number but you can found near number to it with round()

    – ttrasn
    Dec 25 '18 at 9:14



















  • Can you show me how using my test2.php code as an example?

    – Paul
    Dec 25 '18 at 8:25











  • @Paul I will edit my answer

    – ttrasn
    Dec 25 '18 at 8:32











  • What if I want the original value? I don't want to round to anything, but just the original value from the external.json?

    – Paul
    Dec 25 '18 at 8:49











  • when the number is changed you can not find the real number but you can found near number to it with round()

    – ttrasn
    Dec 25 '18 at 9:14

















Can you show me how using my test2.php code as an example?

– Paul
Dec 25 '18 at 8:25





Can you show me how using my test2.php code as an example?

– Paul
Dec 25 '18 at 8:25













@Paul I will edit my answer

– ttrasn
Dec 25 '18 at 8:32





@Paul I will edit my answer

– ttrasn
Dec 25 '18 at 8:32













What if I want the original value? I don't want to round to anything, but just the original value from the external.json?

– Paul
Dec 25 '18 at 8:49





What if I want the original value? I don't want to round to anything, but just the original value from the external.json?

– Paul
Dec 25 '18 at 8:49













when the number is changed you can not find the real number but you can found near number to it with round()

– ttrasn
Dec 25 '18 at 9:14





when the number is changed you can not find the real number but you can found near number to it with round()

– ttrasn
Dec 25 '18 at 9:14




















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