How to turn off error reporting in php.ini

How to turn off error reporting in php.ini: First find and open the "php-fpm.conf" file; then change "On" in "php_flag[display_errors] = On" to "Off".

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Settings of a certain server php.ini:

error_reporting = E_ALL & ~E_NOTICE
display_errors = Off
log_errors = On
error_log = /www/logs/php_error.log

Logically speaking, the error message will not be output, but when there is an error in PHP, the error message will be displayed on the page.
After searching, I found that someone said that when log_errors is turned on, if the path of error_log is incorrect, an error will be displayed. The investigation found nothing to do with this.
Output phpinfo() and see that display_errors is On. Specify in the page: ini_set("DISPLAY_ERRORS",0), still invalid!
Finally I found a sentence in php-fpm.conf:

Quote

Additional php.ini defines, specific to this pool of workers.
                        <value name="php_defines">
                           <value name="sendmail_path">/usr/sbin/sendmail -t -i</value>
                           <value name="display_errors">1</value>
                        </value>

It turned out that I forgot to modify the configuration of this place, and display_errors was set to 1! This also explains that certain php parameters can be additionally specified in php_defines.

Comment out these two paragraphs directly. After php-fpm reloads, the error message will no longer be displayed on the page.

The above is transferred. In fact, it is also in php-fpm.conf. Change the

php_flag[display_errors] = On that I added before to Off. Enough.

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