Imprement bug69791 - https://bugs.php.net/bug.php?id=69791 #2060
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| /* https://tools.ietf.org/html/rfc2822#section-3.6 */ | ||
| switch(ZSTR_LEN(key)) { | ||
| case sizeof("orig-date")-1: | ||
| if (!strncasecmp("orig-date", ZSTR_VAL(key), ZSTR_LEN(key))) { |
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This set of forbidden headers will most certainly break existing libraries. See e.g. here.
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@lstrojny TO and SUBJECT headers can be used only once and mail()/mb_send_mail() sets these by "to" and "subject" parameters. mail()/mb_send_mail() users can only set "extra_headers" once and illegal header counts is illegal.
I'm not sure why it causes BC. Could you explain why?
NOTE: It does not care for MIME headers inside mail body at all, but only mail headers of SMTP.
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@yohgaki sorry, I misread the patch, all good 👍
ext/standard/php_mail.h
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| } \ | ||
| php_mail_build_headers_elems(&s, key, val); \ | ||
| } else { \ | ||
| php_error_docref(NULL, E_WARNING, "Extra header element '%s' cannot be other than stirng or array.", ZSTR_VAL(key)); \ |
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There is a typo in the word 'string' here.
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merged commit 6e53050 Sorry bug # was wrong... Fixed in NEWS later |
Implement optional array extra mail headers.
https://bugs.php.net/bug.php?id=69791