Online PHP editor | rfc for MPNPC

@ 2023-01-18T22:53:56Z

<?php

function reduceOverlap(array $arr){
  $flag = true;
  while($flag){ 
    $flag = false; 
    foreach($arr as $key1 => $row1){
        foreach($arr as $key2 => $row2){ 
            if($key1 === $key2) continue;
            if(($row1['open'] >= $row2['open'] && $row1['open'] <= $row2['close']) OR
                ($row1['close'] >= $row2['open'] && $row1['close'] <= $row2['close'])){
                $arr[$key1]['open'] = min($row1['open'],$row2['open']);
                $arr[$key1]['close'] = max($row1['close'],$row2['close']);
                unset($arr[$key2]);
                $flag = true;
                break 2;
            }
        }
    }
  }
  return $arr;    
}

function diffTotal(array $arr){
    $date = date_create('1970-01-01 00:00');
    foreach($arr as $row){
        $diff = date_create($row['open'])->diff(date_create($row['close']));
        $date->add($diff);
    }
    return date_create('1970-01-01 00:00')->diff($date);    
}

$times = [
    ['open' => '2023-01-02 09:00:00', 'close' => '2023-01-02 14:00:00'],
    ['open' => '2023-01-02 11:00:00', 'close' => '2023-01-02 15:00:00'],

    ['open' => '2023-01-14 10:00:00', 'close' => '2023-01-14 11:00:00'],
];

$arr = reduceOverlap($times);

$diffTotal =  diffTotal($arr);

var_dump($diffTotal);

Output for git.master, git.master_jit, rfc.property-hooks: object(DateInterval)#2 (10) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(7) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["invert"]=> int(0) ["days"]=> int(0) ["from_string"]=> bool(false) }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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