Online PHP editor | rfc for EsDVZ

@ 2017-03-11T18:08:05Z

<?php
/**
 * driver.php
 * ----------
 * Registers a shutdown-function, that includes "error_handler.php" (which merely defines
 * a innocuous function named "handle_error", and includes "throw_fatal_error.php"
 * (that provokes an error  declaring two classes with the same name).
 *
 * What happens is that the fatal error is thrown, shutdownFunc() is called and
 * "error_handler.php" is included -- but it occurs another fatal error, complaining that
 * handle_error() (defined in "error_handler.php") is undefined.
 * The problem does not happen with classes, as can be demonstrated by ErrorClass,
 * which is defined in "error_handler.php" and it's existence checked on shutdownFunc().
 *
 * VERY IMPORTANT NOTE
 *   If "throw_fatal_error.php" does not include a namespace or if neither class inherits
 *   from another, everything works ok!
 */
function shutdownFunc () {
	eval(<<<'PHP'
function handle_error () {
	echo "handle_error() is here<br />\n";
}


class ErrorClass extends \stdclass {}
PHP
	);
	echo "We're about to call <em>handle_error()</em>...<br />\n";
	echo 'ErrorClass is ', class_exists ('ErrorClass') ? 'undefined' : 'defined', "<br />\n";
	handle_error();
}

register_shutdown_function ('shutdownFunc');

// Make sure errors are printed.
ini_set ('display_errors', 'On');
// Include the file that provokes the error.
eval(<<<'PHP'
namespace test;

class aclass {}

class aclass extends \stdclass {}
PHP
);

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Cannot declare class test\aclass, because the name is already in use in /in/EsDVZ(40) : eval()'d code on line 5 We're about to call handle_error()... ErrorClass is undefined handle_error() is here 
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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