functions.wp-styles.php renew Version 28.0

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /usr/local/lsws/wordpress/wp-includes/functions.wp-styles.php on line 90

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  • Hey,

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  • I use grok ai to modify

    The error message you're encountering:

    Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /usr/local/lsws/wordpress/wp-includes/functions.wp-styles.php on line 90

    indicates that the stripos() function in PHP is being called with a null value as its first argument ($haystack), which is no longer allowed as of PHP 8.1. This is a deprecation warning, meaning the code still works for now but will likely break in future PHP versions unless fixed.

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    File
    functions.wp-styles.txt.zip
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    Where the Error Occurs

    The error points to line 90 in the functions.wp-styles.php file, which is within the wp_add_inline_style() function:

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  • I have exactly the same problem after upgrade to 28. Any news with that?

  • I solved that problem.


    In file: /wp-includes/functions.wp-styles.php

    In line: 90

    Changed from: if ( false !== stripos( $data, '</script>' ) ) {

    to: if ( is_string($data) && false !== stripos( $data, '</script>' ) ) {

  • Hi @MaciekVT,

    Glad to see that you handled it.

    If you have any other questions or problems feel free to ask.


    Best regards

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