3v4l.org

run code in 300+ PHP versions simultaneously

@ 2016-09-20T22:33:42Z

<?php

$tests = [
    'bar 3 m foo -',
    '2 s foo +',
    '222 h baz bar +',
    'bass drop 2 d bare -',
    '2 3 m foo foo -',
    '1 222 4 d baz -',
    '2 d 3 m baz +',
    '5d 4h 3m 2s foo +',
    '5d 4h 3m 2s',
    '1 mon foo',
    '1w bar',
    '1 month baz',
    '2 months foobar',
    '4 months 2 months foo' //repeating same string is allowed by strtotime, though it sums up
];

/*
* Replaces (s|m|h|d|w|mon) with strtotime compatible abbreviations
* @param array $tests
* @return array
*/
function normaliseTimeSpec($tests) {
    $reg1 = "/
             (?<int> (?:\G|(?!\n)) \s*\b \d{1,5} \s* )\K
             (?<time> (?: s|m(on)?|h|d|w)\b )
             /uix";
    
    $array = [];

    foreach($tests as $case){
        
        $out = preg_replace_callback ($reg1, 
            function($matches){
                switch($matches['time']){
                    case 's': $t = 'sec'; break;
                    case 'm': $t = 'min'; break;
                    case 'h': $t = 'hour'; break;
                    case 'd': $t = 'day'; break;
                    case 'w': $t = 'week'; break;
                    case 'mon': $t = 'month'; break;
                }
                return $t;
            }, $case);
            
        $array[] = $out;
    }
    
    return $array;
}

/*
* Test whether given time string passes regex rules & match
* @param array $tests
* @return array
*/
function testTimeSpec($tests){
    $finalArray = [];
    
    $regex = <<<'REGEX'
    /(?(DEFINE)
      (?<int>
        (\s*\b)?
        (\d{1,5})?
        (\s*)?
      )
      (?<timepart>
        (?&int)
        ( s(ec(ond)?s?)?
        | m(in(ute)?s?|onths?)?
        | h(rs?|ours?)?
        | d(ays?)?
        | w(eeks?)?
        )
        \b
      )
     )
    
     ^(?<time>
       (?:(?&timepart)(*SKIP).)+
     )
     (?<string>.+)$
     /uix
REGEX;

    foreach($tests as $case){
        
        if(preg_match($regex, $case, $matches)){
            $final[] = $matches['time'].$matches['string'];
        }
        
    }
    return $final;
}

$output = testTimeSpec(normaliseTimeSpec($tests));
print_r($output);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => 2 sec foo + [1] => 222 hour baz bar + [2] => 2 day 3 min baz + [3] => 5day 4hour 3min 2sec foo + [4] => 1 month foo [5] => 1week bar [6] => 1 month baz [7] => 2 months foobar [8] => 4 months 2 months foo )

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

2022-12-01 RFC: Property hooks - included in PHP 8.4
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

preferences:dark modelive previewkey bindings

42.44 ms | 1567 KiB | 4 Q