Ace the Zend 200-550 Exam: Ultimate Preparation Guide

An XML declaration

A root element

A specified encoding

A reference to either a DTD or an XML schema definition

implements ArrayAccess

implements Iterator

implements Iterator and ArrayAccess

None of the above

ini_set("default_socket_timeout", 10);

stream_read_timeout($stream, 10);

Specify the timeout as the 5th parameter to the fsockopen() function used to open a stream

stream_set_timeout($stream, 10);

None of the above

parse_url()

url_parse()

get_url_parts()

geturlparts()

PDO has built-in support for Large Objects (LOBs).

Placeholders within PDO prepared statements need to be named.

When something goes wrong, PDO can throw an instance of its own exception class.

PDO does not emulate missing database features.

Error: Typehints cannot be NULL

Error: Typehints cannot be references

Result is NULL

Result is object of type stdClass

Result is 42

headers_sent() returns true

Output buffering is enabled

The client supports local buffering

The webserver uses preemptive mode

Prevent errors in case of a power outage or a failure in the SQL connection

Ensure that the data is properly formatted

Ensure that either all statements are performed properly, or that none of them are.

Recover from user errors

2

3

4

0

1