[How-To] Read and understand PHP error messages

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[How-To] Read and understand PHP error messages

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[How-To] Read and understand PHP error messages

Andreas

Join Date: Jan 2004

Posts: 6,863

Germany

Andreas

10-27-2005, 10:00 PM

If you get an error like this:

Code:

Some error text  in somefile(251) : eval()'d code (line 125)

what does that mean?

It means that some kind of error was in line 125 of (plugin or template)-code executed in somefile line 251.

Now, to track down the error, open somefile and take a look at line 251.
There should be a fetch_hook() or fetch_template()-call in this line.

The identifier tells you the hook or template name that is causing the error.

If it's a hook, there might be multiple plugins attached to it so you have to find out which one causes the trouble by disabling all plugins on this hook and then re-enabling one after one until the error appears again.
Now you got the exact line for the plugin-code that causes the error.

If it's a template, open it and go diretly to the line, most likely you will find an invalid template conditional there.

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X vBulletin 3.8.12 by vBS Debug Information
Template Usage: (1)SHOWTHREAD (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)ad_showthread_beforeqr (1)bbcode_code (1)footer (1)forumjump (1)forumrules (1)gobutton (1)header (1)headinclude (1)modsystem_article (1)navbar (4)navbar_link (120)option (1)post_thanks_box (1)post_thanks_button (1)post_thanks_javascript (1)post_thanks_navbar_search (1)post_thanks_postbit_info (1)postbit_onlinestatus (1)postbit_wrapper (1)spacer_close (1)spacer_open (1)tagbit_wrapper Phrase Groups Available: global inlinemod postbit posting reputationlevel showthread	Included Files: ./showthread.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/functions_bigthree.php ./includes/class_postbit.php ./includes/class_bbcode.php ./includes/functions_reputation.php ./includes/functions_post_thanks.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete showthread_start showthread_getinfo forumjump showthread_post_start showthread_query_postids showthread_query bbcode_fetch_tags bbcode_create showthread_postbit_create postbit_factory postbit_display_start post_thanks_function_post_thanks_off_start post_thanks_function_post_thanks_off_end post_thanks_function_fetch_thanks_start post_thanks_function_fetch_thanks_end post_thanks_function_thanked_already_start post_thanks_function_thanked_already_end fetch_musername postbit_imicons bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete postbit_display_complete post_thanks_function_can_thank_this_post_start tag_fetchbit_complete forumrules navbits navbits_complete showthread_complete
Messages:

X vBulletin 3.8.12 by vBS Debug Information

Page Generation 0.05940 seconds
Memory Usage 2,178KB
Queries Executed 14 (?)

More Information

Template Usage:

(1)SHOWTHREAD
(1)ad_footer_end
(1)ad_footer_start
(1)ad_header_end
(1)ad_header_logo
(1)ad_navbar_below
(1)ad_showthread_beforeqr
(1)bbcode_code
(1)footer
(1)forumjump
(1)forumrules
(1)gobutton
(1)header
(1)headinclude
(1)modsystem_article
(1)navbar
(4)navbar_link
(120)option
(1)post_thanks_box
(1)post_thanks_button
(1)post_thanks_javascript
(1)post_thanks_navbar_search
(1)post_thanks_postbit_info
(1)postbit_onlinestatus
(1)postbit_wrapper
(1)spacer_close
(1)spacer_open
(1)tagbit_wrapper

Phrase Groups Available:

global
inlinemod
postbit
posting
reputationlevel
showthread

Included Files:

./showthread.php
./global.php
./includes/init.php
./includes/class_core.php
./includes/config.php
./includes/functions.php
./includes/class_hook.php
./includes/modsystem_functions.php
./includes/functions_bigthree.php
./includes/class_postbit.php
./includes/class_bbcode.php
./includes/functions_reputation.php
./includes/functions_post_thanks.php

Hooks Called:

init_startup
init_startup_session_setup_start
init_startup_session_setup_complete
cache_permissions
fetch_threadinfo_query
fetch_threadinfo
fetch_foruminfo
style_fetch
cache_templates
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forumjump
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showthread_query_postids
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bbcode_create
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postbit_factory
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post_thanks_function_fetch_thanks_start
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fetch_musername
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bbcode_parse_start
bbcode_parse_complete_precache
bbcode_parse_complete
postbit_display_complete
post_thanks_function_can_thank_this_post_start
tag_fetchbit_complete
forumrules
navbits
navbits_complete
showthread_complete

Messages:

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X vBulletin 3.8.12 by vBS Debug Information
Page Generation 0.05940 seconds Memory Usage 2,178KB Queries Executed 14 (?)
More Information
Template Usage: (1)SHOWTHREAD (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)ad_showthread_beforeqr (1)bbcode_code (1)footer (1)forumjump (1)forumrules (1)gobutton (1)header (1)headinclude (1)modsystem_article (1)navbar (4)navbar_link (120)option (1)post_thanks_box (1)post_thanks_button (1)post_thanks_javascript (1)post_thanks_navbar_search (1)post_thanks_postbit_info (1)postbit_onlinestatus (1)postbit_wrapper (1)spacer_close (1)spacer_open (1)tagbit_wrapper Phrase Groups Available: global inlinemod postbit posting reputationlevel showthread	Included Files: ./showthread.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/functions_bigthree.php ./includes/class_postbit.php ./includes/class_bbcode.php ./includes/functions_reputation.php ./includes/functions_post_thanks.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete showthread_start showthread_getinfo forumjump showthread_post_start showthread_query_postids showthread_query bbcode_fetch_tags bbcode_create showthread_postbit_create postbit_factory postbit_display_start post_thanks_function_post_thanks_off_start post_thanks_function_post_thanks_off_end post_thanks_function_fetch_thanks_start post_thanks_function_fetch_thanks_end post_thanks_function_thanked_already_start post_thanks_function_thanked_already_end fetch_musername postbit_imicons bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete postbit_display_complete post_thanks_function_can_thank_this_post_start tag_fetchbit_complete forumrules navbits navbits_complete showthread_complete
Messages: