3v4l.org

run code in 300+ PHP versions simultaneously

@ 2020-06-09T06:20:13Z

<?php

$arr = [
    "A - 1.0 - Title Page.PDF",
    "A - 2.2 - Enlarged Floor Plans",
    "A - 2.1.0 - Structural Details.PDF",
    "E - 1.0 - Electrical Title Page.PDF",
    "A - 1.2 - Floor Plan.PDF",
    "P - 1.0 - Plumbing Title Page2.PDF",
    "A - 2.1.1 - Structural Details.PDF",
    "C - 1.0 - Civil Title Page.PDF",
    "M - 1.0 - Mechanical Title Page.PDF",
    "ESC - 1.0 - Erosion Control Plan.PDF",
    "P - 1.0 - Plumbing Title Page.PDF",
];

$priorities = array_flip(['A', 'ESC', 'C', 'M', 'E', 'P']);

usort($arr, function ($a, $b) use ($priorities) {
    [$categoryA, $versionA, $nameA] = explode(' - ', $a, 3);
    [$categoryB, $versionB, $nameB] = explode(' - ', $b, 3);
    
    return $priorities[$categoryA] <=> $priorities[$categoryB]  // priorities as first criteria
        ?: version_compare($versionB, $versionA)                // then descending versions as second criteria
        ?: $nameA <=> $nameB;                                   // then compare names ascending
});
var_export($arr);

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => 'A - 2.2 - Enlarged Floor Plans', 1 => 'A - 2.1.1 - Structural Details.PDF', 2 => 'A - 2.1.0 - Structural Details.PDF', 3 => 'A - 1.2 - Floor Plan.PDF', 4 => 'A - 1.0 - Title Page.PDF', 5 => 'ESC - 1.0 - Erosion Control Plan.PDF', 6 => 'C - 1.0 - Civil Title Page.PDF', 7 => 'M - 1.0 - Mechanical Title Page.PDF', 8 => 'E - 1.0 - Electrical Title Page.PDF', 9 => 'P - 1.0 - Plumbing Title Page.PDF', 10 => 'P - 1.0 - Plumbing Title Page2.PDF', )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview

63.57 ms | 406 KiB | 5 Q