gs gs107 PHP Constants - PHP Constants - Quiz No.1

 <?php define("GREETING", "PHP is a scripting language", true); echo GREETING; echo "<br>"; echo GREETING; ?> 

 <?php define("GREETING", "PHP is a scripting language"); echo $GREETING; ?> 

 <?php define('GREETING_TEST', 'PHP is a scripting language', true); echo GREETING_TESt; $changing_variable = 'test'; echo constant('GREETING_' . strtoupper($changing_variable)); ?> 

 <?php class Constants { define('MIN_VALUE', '0.0'); define('MAX_VALUE', '1.0'); public static function getMinValue() { return self::MIN_VALUE; } public static function getMaxValue() { return self::MAX_VALUE; } } echo Constants::getMinValue(); echo Constants::getMaxValue(); ?> 

 <?php define("__LINE__", "PHP is a scripting language"); echo __LINE__; ?> 

 <?php define('IF', 42); echo "IF: ", IF; ?> 

 <?php define("NEW_GOOD_NAME_CONSTANT", "I have a value"); define("OLD_BAD_NAME_CONSTANT", NEW_GOOD_NAME_CONSTANT);  echo NEW_GOOD_NAME_CONSTANT; echo OLD_BAD_NAME_CONSTANT; ?> 

 <?php define('GOOD_OCTAL', 0700); define('BAD_OCTAL', 0600); print GOOD_OCTAL; print '<br>'; print BAD_OCTAL; ?> 

 <?php define("VAR_NAME","test"); ${VAR_NAME} = "value"; echo VAR_NAME; echo ${VAR_NAME}; ?> 

 <?php class myObject { } define('myObject::CONSTANT', 'test'); echo myObject::CONSTANT; ?>