How do I turn off PHP Notices

Question

Notice  Constant DIR FS CATALOG already defined   I ve already commented out display errors in php ini  but is not working   How do I make PHP to not output such things to browsers   UPDATE  I put display errors   Off there but it s still reporting such notices   Is this an issue with PHP 5 3   Reporting numerous Call Stack too

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For PHP code    lt  php error reporting E ALL  amp   E NOTICE     For php ini config   error reporting   E ALL  amp   E NOTICE

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From the PHP documentation  error reporting     lt  php    Turn off all error reporting error reporting 0     gt    Other interesting options for that function    lt  php     Report simple running errors error reporting E ERROR   E WARNING   E PARSE       Reporting E NOTICE can be good too  to report uninitialized    variables or catch variable name misspellings      error reporting E ERROR   E WARNING   E PARSE   E NOTICE       Report all errors except E NOTICE    This is the default value set in php ini error reporting E ALL  amp   E NOTICE      For PHP  lt  5 3 use  E ALL   E NOTICE     Report all PHP errors  see changelog  error reporting E ALL       Report all PHP errors error reporting -1       Same as error reporting E ALL   ini set  error reporting   E ALL      gt

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I prefer to not set the error reporting inside my code  But in one case  a legacy product  there are so many notices  that they must be hidden  So I used following snippet to set the serverside configured value for error reporting but subtract the E NOTICEs  error reporting error reporting    amp   E NOTICE    Now the error reporting setting can further be configured in php ini or  htaccess  Only notices will always be disabled

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You can check if the constant s already defined using    lt  php if   defined  MYCONST        define  MYCONST    Weeha       gt

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by not causing the errors   defined  DIR FS CATALOG      define  DIR FS CATALOG    whatever      If you really have to  then change error reporting using error reporting   to E ALL E NOTICE

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You can set display errors to 0 or use the error reporting   function   However  notices are annoying  I can partly sympathize  but they serve a purpose  You shouldn t be defining a constant twice  the second time won t work and the constant will remain unchanged

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You are looking for   php -d error reporting  E ERROR   E WARNING   E PARSE

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I believe commenting out display errors in php ini won t work because the default is On  You must set it to  Off  instead   Don t forget to restart Apache to apply configuration changes   Also note that while you can set display errors at runtime  changing it here does not affect FATAL errors   As noted by others  ideally during development you should run with error reporting at the highest level possible and display errors enabled  While annoying when you first start out  these errors  warnings  notices and strict coding advice all add up and enable you to becoem a better coder

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Used This Line In Your Code  error reporting E ALL   E NOTICE       I think its helf full to you

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For the command line php  set   error reporting   E ALL  amp   E NOTICE   in  etc php5 cli php ini  command php execution then ommits the notices

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lt  php     Turn off all error reporting error reporting 0       Report simple running errors error reporting E ERROR   E WARNING   E PARSE       Reporting E NOTICE can be good too  to report uninitialized    variables or catch variable name misspellings      error reporting E ERROR   E WARNING   E PARSE   E NOTICE       Report all errors except E NOTICE error reporting E ALL  amp   E NOTICE       Report all PHP errors  see changelog  error reporting E ALL       Report all PHP errors error reporting -1       Same as error reporting E ALL   ini set  error reporting   E ALL      gt    source http   php net manual en function error-reporting php

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As mentioned by some and if you are the code author  you should correct all those errors  notices  etc  because it will cause more problems for you long terms than not fixing them  especially when you upgrade your OS   For your server  you should have errors displayed in your logs only  not the client s screen   So to avoid the errors in your browser you use the display errors flag as you already found   display errors   Off   Now the real problem is when you are running someone else code  In that case  modifying the code is likely to get overwritten each time you upgrade that code  It makes it tedious to maintain that code   In my case  I am running PHP with crontab to have the wp-cron php script running once in a while  I was getting errors sent to my emails  which becomes tedious when you get one email every 10 minutes  In that case  though  the Wordpress system has a configuration file includes a WP DEBUG and they call the error reporting   function so trying to change the error reporting variable on the command line won t work  Instead you have to edit the wp-config php file in the root folder and make sure that the WP DEBUG is set to false  Otherwise you will get all those warnings and notices all the time

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I found this trick out recently  Whack an   at the start of a line that may produce an warning error   As if by magic  they dissapear

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Double defined constants  To fix the specific error here you can check if a constant is already defined before defining it   if     defined   DIR FS CATALOG         define   DIR FS CATALOG    something          I d personally start with a search in the codebase for the constant DIR FS CATALOG  then replace the double definition with this    Hiding PHP notices inline  case-by-case  PHP provides the   error control operator  which you can use to ignore specific functions that cause notices or warnings   Using this you can ignore disable notices and warnings on a case-by-case basis in your code  which can be useful for situations where an error or notice is intentional  planned  or just downright annoying and not possible to solve at the source  Place an   before the function or var that s causing a notice and it will be ignored   Here s an example      Intentional file error  missing file    file   non existent file       More on this can be found in PHP s Error Control Operators docs

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Use phpinfo   and search for Configuration File  php ini  Path to see which config file path for php is used  PHP can have multiple config files depending on environment it s running  Usually  for console it s    etc php5 cli php ini  and for php run by apache it s    etc php5 apache2 php ini  And then set error reporting the way you need it   http   www phpknowhow com configuration php-ini-error-settings  http   www zootemplate com news-updates how-to-disable-notice-and-warning-in-phpini-file

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You can set ini set  display errors  0   in your script or define which errors you do want to display with error reporting

[php] How do I turn off PHP Notices?

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