Eval (phpcode) character when code executes

Source: Internet
Author: User

Eval (Phpcode)
The eval () function calculates the string according to the PHP code. is equivalent to adding PHP to each side of the string

Method label

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

If no return statement is called in the code string, NULL is returned. If parsing exists in the code

Error, the eval () function returns FALSE.

<?php
$string = "Beautiful";
$time = "Winter";

$str = ' This is a $string $time morning! ';
echo $str. "<br/>"; This is a $string $time morning!

Eval ("\ $str = \" $str \ ";");
Echo $str; This is a beautiful winter morning!

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