PHP Doku:: Performs debugging operations - function.maxdb-debug.html

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MaxDB Funktionen

<<maxdb_data_seek -- maxdb_result::data_seek

maxdb_disable_reads_from_master -- maxdb::disable_reads_from_master>>


(PECL maxdb >= 1.0)

maxdb_debugPerforms debugging operations


void maxdb_debug ( string $debug )

The maxdb_debug() can be used to trace the SQLDBC communication. The following strings can be used as a parameter to maxdb_debug():

  • TRACE SHORT ON|OFF - Enables/disables method call trace.
  • TRACE LONG ON|OFF - Enables/disables method argument and detail debug trace.
  • TRACE PACKET ON|OFF|<size> - Enables/disables packet trace, limiting the size of the traced object to the specified number of bytes, or 1000 if no size is specified.
  • TRACE SQL ON|OFF - Enables/disables high level api trace.
  • TRACE TIMESTAMP ON|OFF - Enables/disables a timestamp prefix on each line that is traced.
  • TRACE SIZE <size> - Limits the size of the trace file to <size> bytes, at least 8192 bytes are required.


maxdb_debug() doesn't return any value.


Beispiel #1 Procedural style


("trace packet 200");

$link maxdb_connect("localhost""MONA""RED""DEMODB");

/* check connection */
if (!$link) {
printf("Connect failed: %s\n"maxdb_connect_error());

/* close connection */

The above example produces no output.

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