А /etc/php.d/bitrixenv.ini вообще трогать?
по умолчанию он
error_reporting = E_ALL & ~E_NOTICE & ~E_WARNING
display_errors = On
short_open_tag = On
allow_call_time_pass_reference = On
max_execution_time = 300
post_max_size = 1024M
upload_max_filesize = 1024M
max_file_uploads = 100
realpath_cache_size = 4096k
pcre.backtrack_limit = 1000000
pcre.recursion_limit = 14000
mbstring.func_overload = 2
mbstring.internal_encoding = UTF-8
enable_dl = Off
session.save_path = "/tmp/php_sessions/www"
session.entropy_file = /dev/urandom
session.entropy_length = 128
upload_tmp_dir = "/tmp/php_upload/www"
mysql.default_socket = /var/lib/mysqld/mysqld.sock
sendmail_path = msmtp -t -i
date.timezone = Europe/Moscow
allow_url_fopen = On
по умолчанию он
error_reporting = E_ALL & ~E_NOTICE & ~E_WARNING
display_errors = On
short_open_tag = On
allow_call_time_pass_reference = On
max_execution_time = 300
post_max_size = 1024M
upload_max_filesize = 1024M
max_file_uploads = 100
realpath_cache_size = 4096k
pcre.backtrack_limit = 1000000
pcre.recursion_limit = 14000
mbstring.func_overload = 2
mbstring.internal_encoding = UTF-8
enable_dl = Off
session.save_path = "/tmp/php_sessions/www"
session.entropy_file = /dev/urandom
session.entropy_length = 128
upload_tmp_dir = "/tmp/php_upload/www"
mysql.default_socket = /var/lib/mysqld/mysqld.sock
sendmail_path = msmtp -t -i
date.timezone = Europe/Moscow
allow_url_fopen = On