basic_functions: update error_log documentation [skip ci] (#17828)

Sending to a TCP/IP address is not an option anymore, and it hasn't been since
before the file was created in this repo in 1999 (257de2b). Based on
php/doc-en@d522d135a1 it appears that this
feature was part of PHP 3 and removed before PHP 4. I tried to track down the
original code to find when it was actually removed but wasn't able to find a
PHP 3 repository.
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DanielEScherzer 2025-02-16 01:22:18 -08:00 committed by GitHub
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@ -1336,7 +1336,7 @@ PHP_FUNCTION(get_cfg_var)
error options:
0 = send to php_error_log (uses syslog or file depending on ini setting)
1 = send via email to 3rd parameter 4th option = additional headers
2 = send via tcp/ip to 3rd parameter (name or ip:port)
2 = no longer an option
3 = save to file in 3rd parameter
4 = send to SAPI logger directly
*/