Re: Backtrace in fatal error?

[Richard Quadling <rquadling@xxxxxxxxx>]

On 31 August 2010 09:49, Paul Freeman <freeman3@xxxxxxxxxx> wrote:
> When fatal error occurs is it possible to output also the backtrace in the error log? The simple error message with file line
> only is quite useless...

<?php
namespace baz;

set_error_handler(
    function($ErrNo, $ErrStr, $ErrFile, $ErrLine, $ErrContext){
        echo 'An error occurred.', PHP_EOL;
        var_export(debug_backtrace(true));

        // Allow PHP to continue executing.
        return false;
    },
    -1
);

register_shutdown_function(
    function(){
        echo 'We died a terrible death.';
        var_export(debug_backtrace(true));
    }
);

function bar() {
    echo 'In ', __FUNCTION__, PHP_EOL;
    echo 1 / 0; // Divide by zero warning.
    foo();
}

function foo() {
    echo 'In ', __FUNCTION__, PHP_EOL;
    $a = \SNAFU; // Fatal error
}

bar();
?>
outputs ...

In baz\bar
An error occurred.
array (
  0 =>
  array (
    'file' => 'Z:\\bad.php',
    'line' => 24,
    'function' => 'baz\\{closure}',
    'args' =>
    array (
      0 => 2,
      1 => 'Division by zero',
      2 => 'Z:\\bad.php',
      3 => 24,
      4 =>
      array (
      ),
    ),
  ),
  1 =>
  array (
    'file' => 'Z:\\bad.php',
    'line' => 33,
    'function' => 'baz\\bar',
    'args' =>
    array (
    ),
  ),
)
Warning: Division by zero in Z:\bad.php on line 24
In baz\foo

Fatal error: Undefined constant 'SNAFU' in Z:\bad.php on line 30
We died a terrible death.array (
  0 =>
  array (
    'function' => 'baz\\{closure}',
    'args' =>
    array (
    ),
  ),
)

So, it looks like extension or a core mod only.

-- 
Richard Quadling
Twitter : EE : Zend
@RQuadling : e-e.com/M_248814.html : bit.ly/9O8vFY

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