1. What will be the output of the following PHP code ?
   

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

1. 1. Error

   
   
   

   2. Example

   
   
   

   3. CONSTANT

   
   
   

   4. Nothing

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Class constants cannot be defined or redefined outside class.

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2. What will be the output of the following PHP code ?
   

   <?php
   define("STR_VAR","Interview"); 
   ${STR_VAR} = "Mania"; 
   echo STR_VAR;
   echo ${STR_VAR}; 
   ?>
   

1. 1. Interview

   
   
   

   2. InterveiwMania

   
   
   

   3. Error

   
   
   

   4. Mania

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   ${STR_VAR} creates a new variable which is not same as STR_VAR.

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3. What will be the output of the following PHP code ?
   

   <?php
   define('OCTAL_NUM1', 0500);
   define('OCTAL_NUM2', 0300);
   print OCTAL_NUM1;
   echo "\n";
   print OCTAL_NUM2; 
   ?>
   

1. 1. 320

   
   
   

   2. Error

   
   
   

   3. 320
      192

   
   
   

   4. 192

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Anything starting from 0 is evaluated as an octal.

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4. What will be the output of the following PHP code ?
   

   <?php
   define("FIRST_NAME", "Ajit");
   define("LAST_NAME", FIRST_NAME);
    
   echo FIRST_NAME;
   echo LAST_NAME; 
   ?>
   

1. 1. Nothing

   
   
   

   2. Ajit

   
   
   

   3. FIRST_NAME LAST_NAME

   
   
   

   4. Error

   
   
   

   5. AjitAjit

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   Constants can be set as values for other constants.

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5. What will be the output of the following PHP code?
   

   <?php
   define('IF', 102); 
   echo "IF: ", IF;
   ?>
   

1. 1. Error

   
   
   

   2. Nothing

   
   
   

   3. 102

   
   
   

   4. IF:102

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   A keyword like IF cannot be used as constant names.

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