3v4l.org

run code in 300+ PHP versions simultaneously
<?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);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.120.0020.00719.79
8.4.110.0130.00718.09
8.4.100.0150.00617.95
8.4.90.0120.00818.86
8.4.80.0050.00418.26
8.4.70.0130.01118.00
8.4.60.0080.01320.54
8.4.50.0140.00821.96
8.4.40.0170.00019.64
8.4.30.0190.00018.91
8.4.20.0040.00422.29
8.4.10.0130.00626.10
8.3.250.0130.00617.30
8.3.240.0140.00516.89
8.3.230.0090.01016.55
8.3.220.0070.00117.42
8.3.210.0030.00516.88
8.3.200.0040.00516.81
8.3.190.0090.00917.11
8.3.180.0080.01116.75
8.3.170.0150.00017.18
8.3.160.0120.00616.85
8.3.150.0050.00320.64
8.3.140.0040.00419.09
8.3.130.0040.00418.55
8.3.120.0070.00319.07
8.3.110.0060.00320.94
8.3.100.0070.00324.06
8.3.90.0000.00926.77
8.3.80.0050.00517.97
8.3.70.0150.00018.60
8.3.60.0130.00316.63
8.3.50.0070.01116.78
8.3.40.0030.01020.48
8.3.30.0070.01418.92
8.3.20.0070.00724.18
8.3.10.0080.00024.66
8.3.00.0000.00826.16
8.2.290.0090.00817.04
8.2.280.0140.00718.41
8.2.270.0060.01317.15
8.2.260.0000.01018.85
8.2.250.0030.00616.76
8.2.240.0110.00719.04
8.2.230.0060.00322.58
8.2.220.0050.00337.54
8.2.210.0070.01426.77
8.2.200.0060.00316.75
8.2.190.0070.01018.41
8.2.180.0160.00616.63
8.2.170.0100.00718.94
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0050.00320.02
8.2.110.0070.00421.13
8.2.100.0120.00018.04
8.2.90.0040.00418.34
8.2.80.0040.00419.29
8.2.70.0030.00717.88
8.2.60.0070.01017.55
8.2.50.0000.00818.07
8.2.40.0030.00618.35
8.2.30.0040.00418.08
8.2.20.0050.00219.34
8.2.10.0140.00317.86
8.2.00.0160.00017.82
8.1.330.0120.00716.11
8.1.320.0120.00816.32
8.1.310.0120.00316.72
8.1.300.0000.00819.81
8.1.290.0100.00030.84
8.1.280.0110.01125.92
8.1.270.0060.00322.25
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0030.00622.18
8.1.230.0070.00422.67
8.1.220.0000.00817.76
8.1.210.0050.00319.95
8.1.200.0040.00417.60
8.1.190.0040.00417.60
8.1.180.0000.00918.10
8.1.170.0020.00518.84
8.1.160.0050.00318.92
8.1.150.0040.00418.84
8.1.140.0160.00017.66
8.1.130.0110.00617.51
8.1.120.0040.01317.62
8.1.110.0080.00817.69
8.1.100.0130.00417.66
8.1.90.0080.00817.70
8.1.80.0130.00417.56
8.1.70.0170.00017.65
8.1.60.0100.01017.81
8.1.50.0150.00417.61
8.1.40.0100.01017.63
8.1.30.0110.01117.84
8.1.20.0140.00517.64
8.1.10.0150.00317.72
8.1.00.0110.00717.63
8.0.300.0050.00220.09
8.0.290.0060.00316.88
8.0.280.0060.00318.46
8.0.270.0110.00717.03
8.0.260.0120.00317.00
8.0.250.0150.00217.11
8.0.240.0100.00517.10
8.0.230.0070.00717.09
8.0.220.0050.00518.77
8.0.210.0020.00518.77
8.0.200.0050.00518.72
8.0.190.0000.01018.78
8.0.180.0000.00818.80
8.0.170.0000.00818.83
8.0.160.0070.00318.71
8.0.150.0070.00218.81
8.0.140.0030.00718.76
8.0.130.0090.00018.70
8.0.120.0000.00818.77
8.0.110.0040.00418.66
8.0.100.0040.00718.77
8.0.90.0130.00017.00
8.0.80.0130.00016.93
8.0.70.0080.00316.84
8.0.60.0100.00516.87
8.0.50.0090.00416.87
8.0.30.0080.00316.90
8.0.20.0040.00817.11
8.0.10.0110.00017.06

preferences:
26.4 ms | 403 KiB | 5 Q