PHP Shorthand If / Else Examples

http://davidwalsh.name/javascript-shorthand-if-else-examples
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Basic True / False Declaration
$is_admin = ($user['permissions'] == 'admin' ? true : false);
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Conditional Welcome Message
echo 'Welcome '.($user['is_logged_in'] ? $user['first_name'] : 'Guest').'!';
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Conditional Items Message
echo 'Your cart contains '.$num_items.' item'.($num_items != 1 ? 's' : '').'.';
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Conditional Error Reporting Level
error_reporting($WEBSITE_IS_LIVE ? 0 : E_STRICT);
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Conditional Basepath
echo '<base href="http'.($PAGE_IS_SECURE ? 's' : '').'://mydomain.com" />';
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Nested PHP Shorthand
echo 'Your score is:  '.($score > 10 ? ($age > 10 ? 'Average' : 'Exceptional') : ($age > 10 ? 'Horrible' : 'Average') );
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Leap Year Check
$is_leap_year = ((($year % 4) == 0) && ((($year % 100) != 0) || (($year %400) == 0)));
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Conditional PHP Redirect
header('Location: '.($valid_login ? '/members/index.php' : 'login.php?errors=1')); exit();
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