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@ 2014-05-09T16:59:40Z

<?php

$s = 'Happy^ hour^ / is fun //';

function filenameEncode($possible_filename){
          $fngood = str_replace(array('/',':'), array('^',';'), $possible_filename);
       return $fngood;
 }

function filenameDecode($possible_filename){
      //all single carets need to be replaced with slashes
       $possible_filename = preg_replace('/([^\^])(\^)([^\^])/im', '$1/$3', $possible_filename);
       //all semi-colons need to be replaced with colons
       $possible_filename = preg_replace('/([^;])(;)([^;])/im', '$1:$3', $possible_filename);
       $fngood = str_replace(array('^',';'), array('/',':'), $possible_filename);
       return $possible_filename;
}


echo 's: '.$s."\n";

$t = filenameEncode($s);

$u = filenameDecode($t);

echo 't: '.$t."\n";
echo 'u: '.$u."\n";

if ($s === $u){
  echo 'test passed';
}else{
    echo 'test failed';
}

Output for git.master, git.master_jit, rfc.property-hooks: s: Happy^ hour^ / is fun // t: Happy^ hour^ ^ is fun ^^ u: Happy/ hour/ ^ is fun ^^ test failed

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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