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eval() function in PHP
The eval() function evaluates a string as PHP code.
Syntax
eval(code)
Parameters
code − The PHP code to be evaluated.
Return
The eval() function returns null unless a return statement is called in the code string. Then the value passed to return is returned. if there is a parse error in the code string, eval() returns false.
Example
<?php
$one = "Demo";
$two = "text";
$res = 'This is $one $two!';
echo $res. "<br>";
eval("\$res = \"$res\";");
echo $res;
?>Output
The following is the output.
This is $one $two! This is Demo text!
Updated on: 27-Jun-2020
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