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(PHP 5)
mysqli::debug -- mysqli_debug — Performs debugging operations
面向对象风格
$message
)过程化风格
$message
)Performs debugging operations using the Fred Fish debugging library.
message
A string representing the debugging operation to perform
Returns TRUE
.
Note:
To use the mysqli_debug() function you must compile the MySQL client library to support debugging.
Example #1 Generating a Trace File
<?php
mysqli_debug ( "d:t:o,/tmp/client.trace" );
?>
[#1] Peter [2014-05-10 10:59:18]
can there be more documenation with a small (but working) example script on how to use this ?
Some issues (Ive seen the "same" code example in dozens of tutorials):-
( I'll use capitals for emphasis only)
QUESTION: what does D:T:O mean ? UNEXPLAINED.
QUESTION: Do we *ONLY* use these 3 lines in a self-contained script ? Does this log ALL future MYSQL commands ?
QUESTION :- Do we put that one line just
- immediately after we connect to MYSQL ?
- before we connect to MYSQL ?
- before our suspected error ?