Proyectos de Subversion Moodle

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     * schema matches the RDBMS database schema before exporting (used by
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     * schema matches the RDBMS database schema before exporting (used by
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     * @param progress_trace $feedback Progress tracing object
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     * @param progress_trace $feedback Progress tracing object
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     * @see export_database).
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     * @see export_database).
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     */
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     */
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    public function __construct(moodle_database $mdb_source, moodle_database $mdb_target,
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    public function __construct(moodle_database $mdb_source, moodle_database $mdb_target,
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            $check_schema = true, progress_trace $feedback = null) {
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            $check_schema = true, ?progress_trace $feedback = null) {
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        if (empty($feedback)) {
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        if (empty($feedback)) {
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            $this->feedback = new null_progress_trace();
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            $this->feedback = new null_progress_trace();
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        } else {
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        } else {
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            $this->feedback = $feedback;
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            $this->feedback = $feedback;
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        }
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        }