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runkit_sandbox_output_handler
(PECL runkit >= 0.7.0)
runkit_sandbox_output_handler — Specify a function to capture and/or process output from a runkit sandbox
Description
Ordinarily, anything output (such as with echo or print) will be output as though it were printed from the parent's scope. Using runkit_sandbox_output_handler() however, output generated by the sandbox (including errors), can be captured by a function outside of the sandbox.
Note: Sandbox support (required for runkit_lint(), runkit_lint_file(), and the Runkit_Sandbox class) is only available as of PHP 5.1.0 or specially patched versions of PHP 5.0, and requires that thread safety be enabled. See the README file included in the runkit package for more information.
Note: Deprecated
As of runkit version 0.5, this function is deprecated and is scheduled to be removed from the package prior to a 1.0 release. The output handler for a given Runkit_Sandbox instance may be read/set using the array offset syntax shown on the Runkit_Sandbox class definition page.
Parameters
-
sandbox -
Object instance of Runkit_Sandbox class on which to set output handling.
-
callback -
Name of a function which expects one parameter. Output generated by
sandboxwill be passed to this callback. Anything returned by the callback will be displayed normally. If this parameter is not passed then output handling will not be changed. If a non-truth value is passed, output handling will be disabled and will revert to direct display.
Return Values
Returns the name of the previously defined output handler callback, or
FALSE if no handler was previously defined.
Examples
Example #1 Feeding output to a variable
<?php
function capture_output($str) {
$GLOBALS['sandbox_output'] .= $str;
return '';
}
$sandbox_output = '';
$php = new Runkit_Sandbox();
runkit_sandbox_output_handler($php, 'capture_output');
$php->echo("Hello\n");
$php->eval('var_dump("Excuse me");');
$php->die("I lost myself.");
unset($php);
echo "Sandbox Complete\n\n";
echo $sandbox_output;
?>
The above example will output:
Sandbox Complete Hello string(9) "Excuse me" I lost myself.
English translation
You have asked to visit this site in English. For now, only the interface is translated, but not all the content yet.If you want to help me in translations, your contribution is welcome. All you need to do is register on the site, and send me a message asking me to add you to the group of translators, which will give you the opportunity to translate the pages you want. A link at the bottom of each translated page indicates that you are the translator, and has a link to your profile.
Thank you in advance.
Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.runkit-sandbox-output-handler.html
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References
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