3v4l.org

run code in 300+ PHP versions simultaneously
<?php # The events array. $events = [ [ "title" => "Title 1", "start_time" => "09:00", "end_time" => "17:00", "start_date" => "2017-05-25" ], [ "title" => "Title 2", "start_time" => "09:00", "end_time" => "17:00", "start_date" => "2018-05-25" ], [ "title" => "Title 3", "start_time" => "09:00", "end_time" => "17:00", "start_date" => "2018-05-27" ], [ "title" => "Title 3", "start_time" => "09:00", "end_time" => "17:00", "start_date" => "2018-07-15" ], [ "title" => "Title 4", "start_time" => "09:00", "end_time" => "17:00", "start_date" => "2019-01-02" ] ]; # Create an array to store the data. $grouped = []; # Iterate over every event. foreach ($events as $event) { # Format and save the date as 'Month Year'. $monthYear = date("F Y", strtotime($event["start_date"])); # Define the key of the object as as an array, if not already defined. $grouped[$monthYear] = $grouped[$monthYear] ?? []; # Insert the title to the array corresponding to the formatted date. $grouped[$monthYear][] = $event["title"]; } # Iterate over every key - value. foreach ($grouped as $key => $value) { # Print the 'Month Year' key. echo $key . "\n"; # Iterate over every title and print it. foreach ($value as $title) echo "- $title\n"; # Separate each group with an empty line. echo "\n"; }

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)
8.5.10.0100.00916.65
8.5.00.0120.01020.19
8.4.150.0020.00014.05
8.4.140.0160.00617.70
8.4.130.0090.01217.80
8.4.120.0110.00920.69
8.4.110.0110.00918.66
8.4.100.0070.00817.78
8.4.90.0030.00619.59
8.4.80.0110.00818.20
8.4.70.0130.00817.88
8.4.60.0130.00520.39
8.4.50.0070.00417.85
8.4.40.0040.01117.86
8.4.30.0090.01219.44
8.4.20.0080.01219.82
8.4.10.0060.00319.63
8.3.280.0150.00618.74
8.3.270.0100.00916.69
8.3.260.0130.00716.54
8.3.250.0090.01017.20
8.3.240.0140.00716.67
8.3.230.0070.00816.91
8.3.220.0060.00517.51
8.3.210.0070.01016.97
8.3.200.0030.00516.62
8.3.190.0090.00918.97
8.3.180.0120.00616.73
8.3.170.0070.01116.63
8.3.160.0110.00816.76
8.3.150.0100.01019.14
8.3.140.0080.00017.48
8.3.130.0110.00018.56
8.3.120.0110.00720.62
8.3.110.0090.00020.94
8.3.100.0080.00017.02
8.3.90.0030.00616.75
8.3.80.0030.00718.56
8.3.70.0090.00618.43
8.3.60.0100.01016.75
8.3.50.0130.00017.61
8.3.40.0040.01119.04
8.3.30.0130.00319.06
8.3.20.0080.00021.90
8.3.10.0040.00423.48
8.3.00.0040.00422.04
8.2.290.0060.00218.80
8.2.280.0110.01020.32
8.2.270.0150.00316.75
8.2.260.0040.00420.55
8.2.250.0060.00316.93
8.2.240.0120.00316.98
8.2.230.0050.00522.58
8.2.220.0060.00324.06
8.2.210.0040.00426.77
8.2.200.0040.00418.66
8.2.190.0110.00716.63
8.2.180.0040.01116.88
8.2.170.0070.00722.96
8.2.160.0070.01120.22
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00021.06
8.2.120.0000.00826.35
8.2.110.0030.00720.86
8.2.100.0060.00619.76
8.2.90.0050.00319.86
8.2.80.0050.00318.05
8.2.70.0000.00917.75
8.2.60.0050.00317.75
8.2.50.0050.00318.05
8.2.40.0000.00818.15
8.2.30.0050.00318.12
8.2.20.0070.00018.08
8.2.10.0040.00418.06
8.2.00.0000.00718.15
8.1.330.0090.01016.23
8.1.320.0140.00716.36
8.1.310.0030.01416.61
8.1.300.0050.00316.91
8.1.290.0070.00718.88
8.1.280.0100.01025.92
8.1.270.0070.00022.24
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00623.78
8.1.230.0000.01422.63
8.1.220.0080.00017.76
8.1.210.0000.00918.77
8.1.200.0060.00317.61
8.1.190.0030.00517.48
8.1.180.0000.00818.10
8.1.170.0050.00217.82
8.1.160.0000.00818.94
8.1.150.0000.00720.23
8.1.140.0050.00317.78
8.1.130.0000.00719.04
8.1.120.0000.00717.67
8.1.110.0040.00417.50
8.1.100.0000.00717.62
8.1.90.0000.00817.57
8.1.80.0000.00717.56
8.1.70.0030.00317.73
8.1.60.0060.00317.73
8.1.50.0000.00817.54
8.1.40.0060.00317.55
8.1.30.0050.00317.71
8.1.20.0060.00317.74
8.1.10.0070.00017.67
8.1.00.0050.00317.70
8.0.300.0000.00719.68
8.0.290.0050.00316.88
8.0.280.0000.00718.39
8.0.270.0030.00317.02
8.0.260.0000.00616.97
8.0.250.0030.00317.16
8.0.240.0030.00517.16
8.0.230.0030.00317.12
8.0.220.0000.00717.14
8.0.210.0000.00716.97
8.0.200.0000.01017.11
8.0.190.0060.00317.08
8.0.180.0030.00516.95
8.0.170.0000.00817.02
8.0.160.0050.00317.09
8.0.150.0000.01017.04
8.0.140.0000.00716.98
8.0.130.0060.00013.48
8.0.120.0070.00317.07
8.0.110.0000.00817.17
8.0.100.0030.00517.20
8.0.90.0000.00817.09
8.0.80.0060.00917.02
8.0.70.0000.00716.89
8.0.60.0040.00417.11
8.0.50.0060.00317.15
8.0.30.0080.01117.31
8.0.20.0110.01017.40
8.0.10.0060.00316.98
8.0.00.0060.01216.98
7.4.330.0000.00515.55
7.4.320.0060.00016.57
7.4.300.0050.00316.78
7.4.290.0070.00016.71
7.4.280.0000.00716.63
7.4.270.0000.00716.53
7.4.260.0030.00316.72
7.4.250.0030.00616.55
7.4.240.0000.00716.54
7.4.230.0030.00316.55
7.4.220.0000.00816.38
7.4.210.0070.00716.77
7.4.200.0070.00016.63
7.4.160.0080.00816.71
7.4.140.0100.00817.86
7.4.130.0090.00916.73
7.4.120.0120.00716.64
7.4.110.0130.00916.71
7.4.100.0060.01216.61
7.4.90.0090.01216.54
7.4.80.0090.00919.39
7.4.70.0090.00916.66
7.4.60.0060.00916.84
7.4.50.0070.01016.60
7.4.40.0170.00316.73
7.4.00.0060.00915.32
7.3.330.0000.00613.28
7.3.320.0060.00013.30
7.3.310.0030.00316.41
7.3.300.0040.00416.50
7.3.290.0000.00716.50
7.3.280.0080.00916.44
7.3.260.0120.00816.62
7.3.240.0110.00816.65
7.3.230.0110.01016.46
7.3.210.0110.00616.45
7.3.200.0110.00616.44
7.3.190.0000.02216.45
7.3.180.0120.00316.59
7.3.170.0160.00016.57
7.3.160.0110.00516.75
7.3.10.0000.01016.68
7.3.00.0000.01217.03
7.2.330.0040.01416.65
7.2.320.0100.01316.73
7.2.310.0030.01316.80
7.2.300.0030.01316.84
7.2.290.0090.01516.69
7.2.130.0000.01017.16
7.2.120.0030.00917.01
7.2.110.0030.01017.09
7.2.100.0030.00616.86
7.2.90.0060.00916.94
7.2.80.0030.00616.91
7.2.70.0040.00717.27
7.2.60.0070.00816.90
7.2.50.0030.00917.10
7.2.40.0060.00617.16
7.2.30.0070.01118.60
7.2.20.0130.00718.56
7.2.10.0060.00918.63
7.2.00.0070.00918.46
7.1.250.0070.00015.98
7.1.200.0070.00715.97
7.1.150.0090.01318.58
7.1.140.0090.01118.67
7.1.130.0080.00918.77
7.1.120.0080.01118.85
7.1.110.0050.01117.87
7.1.100.0090.01218.14
7.1.90.0100.01318.01
7.1.80.0100.01318.18
7.1.70.0110.01217.44
7.1.60.0300.01435.39
7.1.50.0290.01635.07
7.1.40.0300.01934.68
7.1.30.0300.01734.73
7.1.20.0300.02034.52
7.1.10.0070.01516.79
7.1.00.0090.00916.74

preferences:
44.83 ms | 403 KiB | 5 Q