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litespeed_wiki:config:understanding_500 [2018/09/12 19:43] Jackson Zhang [Different level of Rewrite rules misplaced to the wrong level] |
litespeed_wiki:config:understanding_500 [2018/09/20 13:32] Jackson Zhang [PHP Code with wrong php configuration settings] |
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| It will bring the website to 500 immediately. | It will bring the website to 500 immediately. | ||
| This is only one example. Many times, wrong PHP syntax will lead to a 500 error. | This is only one example. Many times, wrong PHP syntax will lead to a 500 error. | ||
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| + | ===== PHP Code with wrong php configuration settings ===== | ||
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| + | Sometimes, 500 error may be not easy to locate. If you move .htaccess to .htaccess.bak and move php.ini to php.ini, the 500 error still happens, it might be something wrong in the PHP code and it might be hard to find. | ||
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| + | We experienced a case with WHMCS. In configuration.php, someone placed **wrong php setting** there: | ||
| + | $display_errors = E_All; | ||
| + | "E_All" is an incorrect value for PHP setting "$display_errors" and it is for "$error_reporting". "$display_errors" should be either "true"/"false", or "on"/"off". Changed it to the following as "true" and it fixed the 500 error. | ||
| + | $display_errors = true; | ||
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| ===== PHP Handler Not Set ===== | ===== PHP Handler Not Set ===== | ||