Printr Tag

<?php  
$var1='abc';  
$var2=123.33;  
print_r($var1);  
echo'<br>';  
print_r($var2);  
echo'<br>';  
$abc = array('Subj1'=>'Physics','Subj2'=>'Chemistry','Subj3'=>'Mathematics','Class'=>array(5,6,7,8));  
print_r($abc);  
?>

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