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After upgrading from v7.3.3 to v7.3.7 it appears nested “php tags” inside a string are no longer being stripped correctly by strip_tags (). This is still working in v7.3.3, v7.2 & v7.1. I’ve added a simple test below.
This function may help: As you probably know, the native function strip_tags don’t work very well with malformed HTML when you use the allowed tags parameter. This is a very simple but effective function to remove html tags. It takes a list (array) of allowed tags as second parameter:
How to test for XSS in PHP strip tags?
$text = ‘ Test paragraph. Other text ‘; The above example will output: Test paragraph. Other text Test paragraph. Other text This function should not be used to try to prevent XSS attacks.
Can a stripped string be used in HTML comments?
HTML comments and PHP tags are also stripped. This is hardcoded and can not be changed with allowed_tags . In PHP 5.3.4 and later, self-closing XHTML tags are ignored and only non-self-closing tags should be used in allowed_tags. For example, to allow both and , you should use: Returns the stripped string.
HTML comments and PHP tags are also stripped. This is hardcoded and can not be changed with allowed_tags . Self-closing XHTML tags are ignored and only non-self-closing tags should be used in allowed_tags. For example, to allow both and , you should use: Returns the stripped string. allowed_tags is nullable now.
Why is PHP calling remove title with dashes wrong?
You are calling remove_accents () and sanitize_title_with_dashes () with an array as first argument somewhere. This is wrong, use a string instead. Install the Debug Bar plugin and look at the backtrace to see where the broken code starts. Thanks for contributing an answer to WordPress Development Stack Exchange!