PHP Error notice:undefined variable solution

source downloaded from the Internet, most of the time when debugging Undefined variable's error. In general, PHP does not need to define variables, but if the server error, there will be errors, so the server should be shielded from this error. The source code downloaded from the Internet, in debugging most of the Undefined variable error occurred. In general, PHP does not need to define variables, but if the server error, there will be errors, so the server should be shielded from this error. Notice:undefined Variable:email in D:\PHP5\ENOTE\ADDNOTE. PHP on line 9 notice:undefined variable:subject in D:\PHP5\ENOTE\ADDNOTE. PHP on line 9 notice:undefined variable:comment in D:\PHP5\ENOTE\ADDNOTE. PHP on line 9 ... In fact, the above is undefined variable, we directly judge the code of the variable caused. PHP does not need to define variables, but what should be the case? Just C:\WINDOWS find out the php.ini in php.ini 302 lines error_reporting = E_all modified to error_reporting = E_all & ~e_notice Restart apache2.2. Workaround: Modify php.ini to: error_reporting = E_all modified to: error_reporting = e_all & ~e_notice If any errors do not want to let the display, directly modify: Display_errors = Off If you do not have php.ini Modify permissions, can be added to the PHP header: Ini_set ("error_reporting", "E_all & ~e_notice ");

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