Online PHP editor | rfc for B4894

@ 2015-05-07T11:01:38Z

<?php

$test = array();
$test['eval_none'] = '';
$test['eval_zero'] = 0;
$test['eval_null'] = null;
$test['eval_false'] = false;
$test['eval_true'] = true;

if (isset($test['eval_nonexixtent'])) var_dump('Noneexistent is set.');
if (!empty($test['eval_nonexixtent'])) var_dump('Noneexistent is not empty.');
if (!isset($test['eval_nonexixtent'])) var_dump('Noneexistent is not set.');
if (empty($test['eval_nonexixtent'])) var_dump('Noneexistent is empty.');

if (isset($test['eval_none'])) var_dump('None is set.');
if (!empty($test['eval_none'])) var_dump('None is not empty.');

if (isset($test['eval_zero'])) var_dump('Zero is set.');
if (!empty($test['eval_zero'])) var_dump('Zero is not empty.');

if (isset($test['eval_null'])) var_dump('NULL is set.');
if (!empty($test['eval_null'])) var_dump('NULL is not empty.');

if (isset($test['eval_false'])) var_dump('False is set.');
if (!empty($test['eval_false'])) var_dump('False is not empty.');

if (isset($test['eval_true'])) var_dump('True is set.');
if (!empty($test['eval_true'])) var_dump('True is not empty.');

Output for git.master, git.master_jit, rfc.property-hooks: string(24) "Noneexistent is not set." string(22) "Noneexistent is empty." string(12) "None is set." string(12) "Zero is set." string(13) "False is set." string(12) "True is set." string(18) "True is not empty."

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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