mysqli::debug

mysqli_debug

(PHP 5, PHP 7)

mysqli::debug -- mysqli_debug — Performs debugging operations

说明

面向对象风格

mysqli::debug ( string $message ) : bool

过程化风格

mysqli_debug ( string $message ) : bool

Performs debugging operations using the Fred Fish debugging library.

参数

message

A string representing the debugging operation to perform

返回值

Returns TRUE.

注释

Note:

To use the mysqli_debug() function you must compile the MySQL client library to support debugging.

范例

Example #1 Generating a Trace File

<?php

/* Create a trace file in '/tmp/client.trace' on the local (client) machine: */
mysqli_debug("d:t:o,/tmp/client.trace");

?>

参见

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