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Zend Certified PHP Engineer Questions 66–70 (page: 15)

What is the output of this code?
$world = 'world';
echo <<<'TEXT'
hello $world
TEXT;

Given a php.ini setting of
default_charset = utf-8
what will the following code print in the browser?
header('Content-Type: text/html; charset=iso-8859-1');
echo '&#9986;&#10004;&#10013;';

What will the following code print out?
$str = '&#10004; one of the following';
echo str_replace('&#10004;', 'Check', $str);

What is the pattern modifier for handling UTF-8 encoded preg_* functionality?

What is the output of the following code?
$text = 'This is text';
$text1 = <<<'TEXT'
$text
TEXT;
$text2 = <<<TEXT
$text1
TEXT;
echo "$text2";