PHP eval() function

PHP eval() Function

                                            

• The eval() function evaluates a string as PHP code. 

• The string must be valid PHP code and must end with semicolon. 

• Note: A return statement will terminate the evaluation of the string immediately. 

• Tip: This function can be useful for storing PHP code in a database. 

Syntax 

eval(phpcode)

• Where phpcode is required and it specifies the PHP code to be evaluated

Example 

<?php 

$string = "beautiful"; 

$time = "winter"; 

$str = 'This is a $string $time morning!'; 

echo $str. "<br>"; 

eval("\$str = \"$str\";"); 

echo $str; 

?> 

Output :-

This is a $string $time morning! 

This is a beautiful winter morning!