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1. Prevent SQL Injection

   PHP sql function injection prevent saved by 69 people
   posted on November 28, 2007 by engel

2. Universal clean function - Protects against SQL, XSS, and JS injections

   PHP js sql php function injection clean sanitize xss saved by 14 people
   posted on March 19, 2009 by pgmr

3. PHP Email Validation

   PHP email php function php5 validation saved by 11 people
   posted on January 16, 2007 by koncept

4. Create a thumbnail function

   PHP php image function thumbnail GD2 saved by 8 people
   posted on October 3, 2008 by iTony

5. Ultimate encryption function

   PHP php function encrypt Ultimate saved by 7 people
   posted on January 31, 2011 by pickyj

6. Image Upload with Php

   PHP php image function upload saved by 6 people
   posted on June 25, 2010 by jackoder

7. Smart MySQL Escape Function

   PHP escape mysql function checks automatically prepares saved by 6 people
   posted on October 9, 2006 by sorehead

8. Secure, Advanced, Better, Faster... function for remove/strip tags(Anti-XSS).

   PHP css php html strip tags function remove to howto secure anti xss how saved by 5 people
   posted on November 10, 2008 by YPY

9. Recursive chmod in PHP

   PHP php recursive function chmod saved by 5 people
   posted on March 10, 2008 by Tenzer

10. Is.gd Url shortener function

    PHP url function isgd shortener saved by 3 people
    posted on January 5, 2009 by Sn0opy

11. Function Template

    PHP template function example parameters description requirements notes author saved by 3 people
    posted on November 28, 2007 by engel

12. wordpress breadcrumb

    PHP wordpress function breadcrumb saved by 2 people
    posted on November 13, 2011 by krike

13. Youtube ID extractor

    PHP regex function YouTube saved by 2 people
    posted on October 14, 2010 by jhonqwerty

14. WordPress: Get Page ID (Function)

    PHP wordpress function saved by 2 people
    posted on August 13, 2010 by simonbouchard

15. Function to convert dates to and from Mysql

    PHP mysql date function to from convert saved by 2 people
    posted on March 19, 2010 by fackz

16. CREATE TINY URL FOR POSTS IN WORDPRESS

    PHP url link wordpress function permalink tiny saved by 2 people
    posted on February 16, 2010 by vagrantradio

17. Wordpress Browser Detection Function

    PHP php wordpress browser function detection saved by 2 people
    posted on December 27, 2009 by afj176

18. function to access all protected vars in a class

    PHP class variables function variable access vars protected var saved by 2 people
    posted on October 28, 2009 by Zwendel

19. WordPress is_child_of: Is this a child of page x?

    PHP template wordpress function ischildof saved by 2 people
    posted on October 8, 2009 by cyberhobo

20. Redirect page with a simple function

    PHP function redirct saved by 2 people
    posted on September 27, 2009 by daveismyname

21. mysql query connect function

    PHP mysql textmate function query connect saved by 2 people
    posted on June 19, 2009 by wza

22. Find last word of a string

    PHP String function strings last word Wort Letztes saved by 2 people
    posted on March 20, 2009 by fischkopp

23. php word wrap function

    PHP function wrap word wordwrap saved by 2 people
    posted on December 9, 2008 by ginoplusio

24. Benchmark function for php

    PHP php function benchmark saved by 2 people
    posted on October 26, 2008 by iTony

25. Random password

    PHP php password random function saved by 2 people
    posted on August 30, 2008 by iTony

26. Ci: Using URL segment to create a refresh

    PHP url controller refresh function ci segment saved by 2 people
    posted on July 25, 2008 by plasticated

27. Count sentences in a string

    PHP regex php simple String count function str sentences saved by 2 people
    posted on June 25, 2008 by evanwalsh

28. Smart Quoting

    PHP input function security saved by 2 people
    posted on January 24, 2008 by AgentPhoenix

29. Increment String

    PHP php String function increment saved by 2 people
    posted on February 4, 2007 by drwitt

30. A function that forces a file to download.

    PHP php headers download function saved by 1 person
    posted on October 20, 2012 by o0110o

31. A function to get the real IP address.

    PHP php function ip address saved by 1 person
    posted on October 20, 2012 by o0110o

32. A function to get a files contents with curl.

    PHP curl php function files saved by 1 person
    posted on October 20, 2012 by o0110o

33. A function to see if a file exists with curl.

    PHP curl php function files saved by 1 person
    posted on October 20, 2012 by o0110o

34. A function to get file sizes in multiple formats with curl.

    PHP curl php function files saved by 1 person
    posted on October 20, 2012 by o0110o

35. A function to get file mime-types with curl.

    PHP curl function phpmime-types saved by 1 person
    posted on October 20, 2012 by o0110o

36. Prevent sql injection in LIKE queries

    PHP sql function injection query queries like saved by 1 person
    posted on July 25, 2012 by TimoZachi

37. objectToArray

    PHP php object array function to saved by 1 person
    posted on March 28, 2012 by jgomez

38. Calculate age

    PHP function AGE calculate saved by 1 person
    posted on March 14, 2012 by bsuichies

39. Calculate age from DOB

    PHP php function saved by 1 person
    posted on September 12, 2011 by stefpretty

40. Sanitize user input PHP

    PHP mysql php function clean sanitize saved by 1 person
    posted on June 10, 2011 by nebojsac