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run code in 300+ PHP versions simultaneously

@ 2012-06-26T08:08:24Z

<?php

$str = 'PHP is a
widely-used

general-purpose
server side

scripting
language';

$eol = "\n";
$turned = function($str) use ($eol) 
          {
            $length = max(array_map('strlen', $lines = explode($eol, trim($str))));
            $each = function($a, $s) use ($length) 
                    {
                      $a[] = str_split(sprintf("%' {$length}s", $s)); 
                      return $a;
                    };

            return implode($eol, array_map(function($v) 
                                           {
                                              return implode(' ', $v);
                                           }, 
                                           call_user_func_array('array_map', array_reduce($lines, $each, array(NULL))))
                           );
          };

echo $turned($str), $eol;

Output for git.master, git.master_jit, rfc.property-hooks: g e n e w r s i a e d l r s P e - v c l H l p e r a P y u r i n - r p g i u p s t u s s o i i a e s d n g a d e e g e

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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