Bug #68111 [Opn]: json_decode introduces floating point precision error

Edit report at https://bugs.php.net/bug.php?id=68111&edit=1 ID: 68111 User updated by: ryan at ryanparman dot com Reported by: ryan at ryanparman dot com Summary: json_decode introduces floating point precision error Status: Open Type: Bug -Package: Scripting Engine problem +Package: JSON related Operating System: OS X PHP Version: 5.5.17 Block user comment: N Private report: N New Comment: This should be filed under JSON-related. Previous Comments: ------------------------------------------------------------------------ [2014-09-27 05:00:56] ryan at ryanparman dot com Description: ------------ When decoding a JSON string with json_decode(), a floating point precision error gets introduced. Issue identified in PHP 5.5.17, and verified that it does NOT occur in 5.4.33. Test script: --------------- $data = json_decode('{"value": 4565.85}'); echo $data->value; Expected result: ---------------- I expected $data->value to have a value of 4565.85. Actual result: -------------- The actual value of $data->value is 4565.8500000000004. ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=68111&edit=1