php method to achieve beyond hiding: first obtain the content length through the mb_strlen function in php; then judge the output content. When the string is less than the set length, it will be output as it is; if it is greater than the length, it will be intercepted and spliced.
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PHP limited output characters, beyond hiding
Get the content length
Determine the output content
If it is less than the set length, it will be output as it is. If it is greater than that, intercept and splice
Browser page effect
css interception method, add the content in this class If the size of this element is exceeded, it will be automatically intercepted
The effect after interception
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