3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dates = [null, '2015-12-30', new \DateTime('now')]; foreach ($dates as &$date) { if ($date instanceof \DateTime) { $date = $date->format('Y-m-d'); } } var_dump($dates);

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)
8.3.60.0060.01216.63
8.3.50.0070.01016.43
8.3.40.0090.00918.96
8.3.30.0070.00718.96
8.3.20.0040.00420.21
8.3.10.0050.00323.58
8.3.00.0070.00723.66
8.2.180.0000.01416.63
8.2.170.0120.00322.96
8.2.160.0070.01020.39
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00419.95
8.2.120.0000.00726.35
8.2.110.0060.00321.11
8.2.100.0080.00418.05
8.2.90.0040.00419.34
8.2.80.0000.00818.05
8.2.70.0030.00617.75
8.2.60.0040.00418.04
8.2.50.0060.00318.07
8.2.40.0030.00622.32
8.2.30.0040.00419.42
8.2.20.0050.00217.91
8.2.10.0000.00717.99
8.2.00.0000.00718.05
8.1.270.0120.00323.92
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0090.00022.48
8.1.230.0110.00019.22
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.61
8.1.190.0080.00017.47
8.1.180.0040.00418.10
8.1.170.0000.00818.77
8.1.160.0040.00420.93
8.1.150.0000.00718.91
8.1.140.0040.00419.51
8.1.130.0040.00417.87
8.1.120.0040.00417.56
8.1.110.0070.00017.53
8.1.100.0000.00817.57
8.1.90.0050.00317.70
8.1.80.0000.00817.54
8.1.70.0070.00017.46
8.1.60.0040.00417.59
8.1.50.0080.00017.60
8.1.40.0040.00417.68
8.1.30.0000.00917.61
8.1.20.0000.00717.66
8.1.10.0040.00417.68
8.1.00.0030.00617.57
8.0.300.0040.00418.77
8.0.290.0030.00516.88
8.0.280.0000.00718.48
8.0.270.0000.00817.32
8.0.260.0030.00317.28
8.0.250.0030.00317.20
8.0.240.0030.00617.15
8.0.230.0030.00317.04
8.0.220.0000.00717.00
8.0.210.0000.00716.98
8.0.200.0040.00417.11
8.0.190.0040.00417.21
8.0.180.0000.00717.15
8.0.170.0040.00417.07
8.0.160.0030.00317.05
8.0.150.0030.00317.09
8.0.140.0040.00716.91
8.0.130.0080.00013.38
8.0.120.0080.00017.08
8.0.110.0080.00017.07
8.0.100.0000.00717.04
8.0.90.0030.00517.20
8.0.80.0090.00917.05
8.0.70.0040.00416.99
8.0.60.0080.00017.00
8.0.50.0040.00417.00
8.0.30.0070.01217.21
8.0.20.0150.00817.40
8.0.10.0000.00717.21
8.0.00.0110.00816.94
7.4.330.0050.00016.79
7.4.320.0050.00316.73
7.4.300.0080.00016.59
7.4.290.0030.00316.55
7.4.280.0030.00616.74
7.4.270.0040.00416.59
7.4.260.0070.00016.71
7.4.250.0000.00716.71
7.4.240.0020.00516.71
7.4.230.0030.00316.57
7.4.220.0030.01616.76
7.4.210.0070.00716.80
7.4.200.0040.00416.76
7.4.160.0130.00616.63
7.4.150.0100.01317.40
7.4.140.0100.01117.86
7.4.130.0080.01216.57
7.4.120.0130.00516.64
7.4.110.0060.01216.58
7.4.100.0180.00616.63
7.4.90.0090.00916.73
7.4.80.0090.01219.39
7.4.70.0150.00016.80
7.4.60.0100.01016.63
7.4.50.0110.00616.95
7.4.40.0080.00816.54
7.4.30.0110.00916.67
7.4.00.0070.00714.82
7.3.330.0060.00013.29
7.3.320.0050.00013.20
7.3.310.0060.00016.44
7.3.300.0030.00316.46
7.3.290.0070.00816.46
7.3.280.0100.00716.44
7.3.270.0150.01217.40
7.3.260.0050.01316.78
7.3.250.0100.00816.68
7.3.240.0090.01116.59
7.3.230.0090.00816.64
7.3.210.0060.01016.61
7.3.200.0120.00619.39
7.3.190.0120.00416.46
7.3.180.0130.00316.55
7.3.170.0030.01316.69
7.3.160.0120.00416.65
7.2.330.0090.00916.57
7.2.320.0090.00916.64
7.2.310.0090.00916.86
7.2.300.0070.01016.77
7.2.290.0090.00816.79
7.2.60.0090.00316.93
7.2.00.0000.01019.80
7.1.200.0050.00516.02
7.1.100.0030.00518.28
7.1.70.0050.00217.22
7.1.60.0070.01819.18
7.1.50.0040.00717.12
7.1.00.0030.07022.40
7.0.200.0210.00616.86
7.0.60.0130.02721.71
7.0.50.0030.04017.91
7.0.40.0000.06020.23
7.0.30.0270.06720.04
7.0.20.0300.07720.13
7.0.10.0070.05720.11
7.0.00.0070.05320.19
5.6.280.0030.05321.06
5.6.210.0130.07020.52
5.6.200.0030.09018.22
5.6.190.0130.08020.49
5.6.180.0370.06720.60
5.6.170.0230.06720.48
5.6.160.0030.07020.49
5.6.150.0030.08718.22
5.6.140.0070.07718.18
5.6.130.0070.08018.07
5.6.120.0070.08321.10
5.6.110.0100.08321.11
5.6.100.0070.08021.00
5.6.90.0070.04721.10
5.6.80.0100.07720.35
5.5.350.0230.03720.42
5.5.340.0030.08317.94
5.5.330.0030.09320.08
5.5.320.0570.07320.32
5.5.310.0370.07720.30
5.5.300.0130.07017.91
5.5.290.0100.07717.94
5.5.280.0070.09020.73
5.5.270.0170.06320.64
5.5.260.0100.07020.72
5.5.250.0130.07020.68
5.5.240.0100.08320.16

preferences:
51.79 ms | 400 KiB | 5 Q