Introduction to specific methods of filtering strings in PHP_PHP Tutorial

We all know the code example of PHP filter string:

1. < ?php
2. nl2br();
3. // n to <br/>
4. addslashes(); stripslashes();
5. //Escape special characters when operating on the database
6. chop();
7. //Remove the spaces on the right side of the string
8. trim(); All spaces
9. ltrim();
10. //Remove spaces on the left side of the string
11. htmlspecialchars ();
12. //Convert '$','"','
13. < ', '>' are the corresponding html entities htmlentities();
14. //Convert all html tags into corresponding html entities
15. array explode(string separator, string str);
16. //Split string
17. string implode(string separator, array arr);
18. //Connection string
19. strtoupper(); strtolower();
20. //Convert case
21. ucfirst();
22. //Convert only the first character to uppercase
23. ucwords();
24. //Convert the first letter of each word to uppercase
?>
26. I hope you can gain a deeper understanding of this knowledge through the PHP string filtering method introduced in this article.

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truehttp: //www.bkjia.com/PHPjc/446234.htmlTechArticleWe all know the code example of PHP filtering string: ?php nl2br(); //nto br / addslashes ();stripslashes(); //Escape special characters when operating on the database chop(); //Remove the right side of the string...