Bug #72417 [NEW]: Empty string causes a syntax error

From: jonathan at spoonity dot com Operating system: CentOS Linux release 7.2.1511 PHP version: 7.0.7 Package: JSON related Bug Type: Bug Bug description:Empty string causes a syntax error Description: ------------ Prior to PHP 7, the behaviour of an empty string when doing a json_decode() would not cause any error to occur, now with PHP 7 it causes a syntax error to occur. Test script: --------------- json_decode(""); if (json_last_error() > 0) { echo sprintf("%s (%d)\n", json_last_error_msg(), json_last_error()); } Expected result: ---------------- No error returned Actual result: -------------- Error returned; Syntax error (4) -- Edit bug report at https://bugs.php.net/bug.php?id=72417&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72417&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72417&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72417&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=72417&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=72417&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=72417&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=72417&r=needscript Try newer version: https://bugs.php.net/fix.php?id=72417&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=72417&r=support Expected behavior: https://bugs.php.net/fix.php?id=72417&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=72417&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=72417&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=72417&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72417&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=72417&r=dst IIS Stability: https://bugs.php.net/fix.php?id=72417&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=72417&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=72417&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=72417&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=72417&r=mysqlcfg