Section1 Introduction to the beginning of PHP verification code

03 minutes37 seconds

Section2 Create basemap for PHP verification code

11 minutes55 seconds

Section3 PHP verification code digital verification code

11 minutes41 seconds

Section4 Adding interfering elements to PHP verification code

06 minutes12 seconds

Section5 PHP verification code line interference element

06 minutes11 seconds

Section6 PHP verification code mixed number and letter verification code

06 minutes47 seconds

Section7 PHP verification code SESSION stores verification data

04 minutes28 seconds

Section8 Use of PHP verification code verification code

14 minutes40 seconds