Bug #81553 [NEW]: json_encode PHP_INT_MAX

From: khaledalam dot net at gmail dot com Operating system: PHP version: 8.0.12 Package: Unknown/Other Function Bug Type: Bug Bug description:json_encode PHP_INT_MAX Description: ------------ Getting different output values when use json_encode with big float e.g. PHP_INT_MAX * PHP_INT_MAX when use different php versions https://3v4l.org/rBiTL Test script: --------------- <?php $a = PHP_INT_MAX * PHP_INT_MAX; $bb = json_encode($a, true); $b = json_decode($bb); var_dump($a); var_dump($b); Expected result: ---------------- same value regardless php version float(8.507059173023462E+37) or float(8.5070591730235E+37) Actual result: -------------- Output for 8.0.0 - 8.0.12, 8.1rc1 - rc3 float(8.507059173023462E+37) float(8.507059173023462E+37) Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.25 float(8.5070591730235E+37) float(8.5070591730235E+37) -- Edit bug report at https://bugs.php.net/bug.php?id=81553&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=81553&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=81553&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=81553&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=81553&r=needscript Try newer version: https://bugs.php.net/fix.php?id=81553&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=81553&r=support Expected behavior: https://bugs.php.net/fix.php?id=81553&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=81553&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=81553&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=81553&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=81553&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=81553&r=dst IIS Stability: https://bugs.php.net/fix.php?id=81553&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=81553&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=81553&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=81553&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=81553&r=mysqlcfg