In this tutorial you are going to understand the concept of validation. Also, you are going to learn how to validate html form (web page ) in PHP. I will demonstrate the php code for validating html form. ==================================================================== ► ABOUT MK Tutorials4u channel: This channel provides useful content for the students of computer and information Technology Engineering or Diploma . Currently this channel is providing study videos about the various concepts of operating system. Also I am providing tutorials for Linux commands and useful freewares. ► SUBSCRIBE to the MK Tutorials4u channel: https://www.youtube.com/channel/UC-oNaUBoOh93Tmxw9FiZ2kQ?sub_confirmation=1 ► Recommended Playlist: OPERATING SYSTEM (OS) https://www.youtube.com/playlist?list=PL0IJxOklN_oLb7ysZPYPas8BuMeMMzQcQ ► Recommended Playlist: LINUX COMMANDS https://www.youtube.com/playlist?list=PL0IJxOklN_oI1URgsuTeyyCWJ7tr-dJOX ► Recommended Playlist: Useful Freewares https://www.youtube.com/playlist?list=PL0IJxOklN_oJ1VZ4XKKVNwYzPBw7YIZq1 ==================================================================== Timestamps : 0:00 Concept of Validation 1:37 Validation Rules for Fields 3:04 Creation of HTML Form 6:18 Create Error class in STYLE TAG 7:56 PHP Code for Validation 15:22 Display Error 17:33 Display Retrieved HTML Form Fields values in Web Page #phpforbeginners #formvalidationphp