Support » Plugin: Rank Math SEO » php_uname() and modify header information

  • Resolved moosavi12


    wordpress 5.2
    woo 3.6.2
    php 7.2
    flatsome theme
    after install math rank start warning:
    Warning: php_uname() has been disabled for security reasons in public_html/wp-content/plugins/seo-by-rank-math/vendor/rollbar/rollbar/src/Defaults.php on line 66

    Warning: Cannot modify header information – headers already sent by (output started at public_html/wp-content/plugins/seo-by-rank-math/vendor/rollbar/rollbar/src/Defaults.php:66) in /public_html/wp-admin/includes/misc.php on line 1196

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  • Thread Starter moosavi12


    i deactivated all other plugins but it is still displayed and when i do any functions they break one time and a white page with these warning displayed.

    Plugin Author Rank Math


    Hello @moosavi12

    Thank you for contacting the support and sorry for the issue you are facing.

    Can you please confirm if your hosting has php_uname function enabled?

    Looking forward to helping you. Thank you.

    Plugin Author Rank Math



    We are closing this topic due to inactivity and assuming you found the solution.

    If you still need further assistance, please feel free to open a new support topic or contact us via contact form/email at

    Thank you.

Viewing 3 replies - 1 through 3 (of 3 total)
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