Bug #69874 [NEW]: Can't set empty additional_headers for mail()

From: buglloc at yandex dot ru Operating system: Linux PHP version: 5.6.10 Package: Mail related Bug Type: Bug Bug description:Can't set empty additional_headers for mail() Description: ------------ After update to PHP 5.6.10 with fix https://bugs.php.net/bug.php?id=68776 i can't set empty additional_headers for mail() function (i.e. if i want to set additional_parameters). Test script: --------------- echo 'without additional headers at all:'; var_dump(mail('to', 'subj', 'mess')); echo 'with additional headers:'; var_dump(mail('to', 'subj', 'mess', 'X-Header: foo')); echo 'with empty string as additional headers:'; var_dump(mail('to', 'subj', 'mess', '')); echo 'with additional parameters and null as additional headers:'; var_dump(mail('to', 'subj', 'mess', null, 'foo')); Expected result: ---------------- without additional headers at all:bool(true) with additional headers:bool(true) with empty string as additional headers:bool(true) with additional parameters and null as additional headers:bool(true) Actual result: -------------- without additional headers at all:bool(true) with additional headers:bool(true) with empty string as additional headers:PHP Warning: mail(): Multiple or malformed newlines found in additional_header in /tmp/test.php on line 9 Warning: mail(): Multiple or malformed newlines found in additional_header in /tmp/test.php on line 9 bool(false) with additional parameters and null as additional headers:PHP Warning: mail(): Multiple or malformed newlines found in additional_header in /tmp/test.php on line 11 Warning: mail(): Multiple or malformed newlines found in additional_header in /tmp/test.php on line 11 bool(false) -- Edit bug report at https://bugs.php.net/bug.php?id=69874&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=69874&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=69874&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=69874&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=69874&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=69874&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=69874&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=69874&r=needscript Try newer version: https://bugs.php.net/fix.php?id=69874&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=69874&r=support Expected behavior: https://bugs.php.net/fix.php?id=69874&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=69874&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=69874&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=69874&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=69874&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=69874&r=dst IIS Stability: https://bugs.php.net/fix.php?id=69874&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=69874&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=69874&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=69874&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=69874&r=mysqlcfg