Is there any way to catch fatal error using eval()?

Question

$code = \'php statement\';

// getting perse error
function perse_error_check($code){
 if(eval($code) === \"true\"){
   return \"no perse error\"; 
 }

 if(eval($code) =         


        

Answer 1

There is a simple way. Put your PHP code in an another file. For an example: index.php and check.php . Put your PHP code in check.php.

Now in index.php write:

$check_data = file_get_contents("yourhosturl/allotherdirectory/check.php");

if(preg_match("/Fatal error/",$check_data)){
    echo "fatal error found"; 
}

Answer 2

The following writes the PHP code to another file. It then uses command line execution to parse the file and check for erros:

/* Put the code to be tested in a separate file: */
$code = '<?php echo "Test"; ?>';
file_put_contents('check.php', $code);

/* Parse that file and store the message from the PHP parser */
$x = exec( 'php -l check.php');

/* Check the message returned from the PHP parser */
if(preg_match('/Errors parsing/i',$x))
{
    echo 'The code has errors!';
}
else
{
    echo 'The code looks good!';
}

/* delete the file */
unlink('check.php');

The benefit is that the code doesn't run, it just gets parsed. However I assume you would then write that code to a file and use it... so like others mentioned, be VERY careful. Use things like open_basedir (and test it) to restrict access to specific directories, manually check the code before including it in production... etc.