3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (class_exists('DateTimeImmutable')) { $date = new DateTimeImmutable('2015-01-01 00:00:00.123456'); echo serialize($date), PHP_EOL; echo json_encode($date), PHP_EOL; }

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)
8.3.60.0070.00718.55
8.3.50.0140.00422.13
8.3.40.0070.00718.82
8.3.30.0100.00619.40
8.3.20.0040.00420.60
8.3.10.0050.00321.99
8.3.00.0040.00419.09
8.2.180.0040.01118.30
8.2.170.0120.00622.96
8.2.160.0070.00722.17
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0110.00426.16
8.2.120.0080.00019.79
8.2.110.0040.00421.07
8.2.100.0040.00818.11
8.2.90.0030.00519.47
8.2.80.0050.00317.97
8.2.70.0000.00818.00
8.2.60.0060.00318.05
8.2.50.0030.00618.10
8.2.40.0030.00620.78
8.2.30.0030.00319.54
8.2.20.0040.00417.88
8.2.10.0040.00418.13
8.2.00.0030.00617.97
8.1.280.0090.00925.92
8.1.270.0040.00418.99
8.1.260.0050.00226.35
8.1.250.0090.00028.09
8.1.240.0100.00024.05
8.1.230.0120.00019.55
8.1.220.0050.00217.88
8.1.210.0090.00018.77
8.1.200.0090.00317.48
8.1.190.0040.00417.48
8.1.180.0000.00818.10
8.1.170.0050.00818.62
8.1.160.0050.00322.27
8.1.150.0000.00818.93
8.1.140.0080.00019.35
8.1.130.0000.00718.01
8.1.120.0050.00217.74
8.1.110.0050.00317.64
8.1.100.0030.00517.70
8.1.90.0050.00317.61
8.1.80.0040.00417.71
8.1.70.0050.00317.73
8.1.60.0040.00417.80
8.1.50.0060.00617.61
8.1.40.0080.00017.68
8.1.30.0000.00817.88
8.1.20.0040.00417.90
8.1.10.0000.00917.82
8.1.00.0080.00017.89
8.0.300.0060.00318.77
8.0.290.0030.00617.00
8.0.280.0000.00718.49
8.0.270.0040.00417.48
8.0.260.0040.00417.47
8.0.250.0080.00017.13
8.0.240.0070.00017.26
8.0.230.0000.00717.23
8.0.220.0000.00817.14
8.0.210.0030.00317.16
8.0.200.0040.00417.11
8.0.190.0030.00517.23
8.0.180.0030.00517.15
8.0.170.0030.00617.18
8.0.160.0030.00317.21
8.0.150.0060.00317.23
8.0.140.0030.00717.11
8.0.130.0000.00613.64
8.0.120.0030.00517.02
8.0.110.0050.00217.19
8.0.100.0070.00017.04
8.0.90.0030.00517.03
8.0.80.0090.00617.06
8.0.70.0040.00417.16
8.0.60.0000.00716.98
8.0.50.0000.00717.02
8.0.30.0090.01317.26
8.0.20.0120.00717.40
8.0.10.0000.00717.29
8.0.00.0090.00916.99
7.4.330.0030.00315.19
7.4.320.0060.00016.71
7.4.300.0030.00316.89
7.4.290.0080.00016.89
7.4.280.0080.00316.84
7.4.270.0070.00016.75
7.4.260.0040.00416.59
7.4.250.0040.00416.77
7.4.240.0040.00416.83
7.4.230.0070.00016.45
7.4.220.0120.00616.70
7.4.210.0080.00616.77
7.4.200.0040.00416.82
7.4.160.0030.01316.70
7.4.150.0120.00617.40
7.4.140.0050.01217.86
7.4.130.0090.00916.61
7.4.120.0080.01016.77
7.4.110.0110.00716.80
7.4.100.0150.00416.62
7.4.90.0060.01216.59
7.4.80.0060.01419.39
7.4.70.0160.00016.44
7.4.60.0160.00016.68
7.4.50.0000.00416.32
7.4.40.0140.00316.69
7.4.30.0110.01116.69
7.4.00.0120.00615.30
7.3.330.0060.00013.28
7.3.320.0050.00013.37
7.3.310.0000.00816.42
7.3.300.0070.00016.53
7.3.290.0030.00316.36
7.3.280.0050.01216.40
7.3.270.0060.01117.40
7.3.260.0110.00616.69
7.3.250.0090.00816.54
7.3.240.0180.00616.73
7.3.230.0120.00616.44
7.3.210.0120.00616.65
7.3.200.0160.00319.39
7.3.190.0120.00316.30
7.3.180.0070.01016.62
7.3.170.0210.00016.52
7.3.160.0090.00616.64
7.2.330.0110.00816.83
7.2.320.0090.01116.86
7.2.310.0130.00616.71
7.2.300.0100.00716.55
7.2.290.0130.01016.70
7.2.60.0060.00317.20
7.2.00.0100.00319.70
7.1.200.0030.00615.59
7.1.100.0060.00918.22
7.1.70.0000.01117.29
7.1.60.0100.01319.46
7.1.50.0130.00716.70
7.1.00.0100.07022.44
7.0.200.0030.00516.63
7.0.140.0000.06021.97
7.0.90.0800.07319.85
7.0.80.0470.04720.12
7.0.70.0670.07719.85
7.0.60.0300.07719.92
7.0.50.0170.05320.15
7.0.40.0130.07020.00
7.0.30.0070.08320.15
7.0.20.0100.06020.19
7.0.10.0200.06320.14
7.0.00.0100.08320.14
5.6.280.0070.07021.14
5.6.240.0000.05320.49
5.6.230.0030.07320.57
5.6.220.0030.05320.49
5.6.210.0170.03320.45
5.6.200.0100.08321.17
5.6.190.0200.07321.03
5.6.180.0200.06320.93
5.6.170.0130.07320.96
5.6.160.0100.04320.95
5.6.150.0070.07720.93
5.6.140.0030.04321.10
5.6.130.0100.05021.02
5.6.120.0130.07721.16
5.6.110.0070.09021.04
5.6.100.0200.07720.98
5.6.90.0100.04320.95
5.6.80.0070.08020.44
5.6.70.0070.08020.30
5.6.60.0130.07020.32
5.6.50.0100.06320.45
5.6.40.0030.06020.49
5.6.30.0100.03720.43
5.6.20.0170.03720.41
5.6.10.0070.06320.52
5.6.00.0000.05320.50
5.5.380.0030.04320.41
5.5.370.0130.04720.37
5.5.360.0070.04020.33
5.5.350.0070.04320.37
5.5.340.0130.05020.90
5.5.330.0100.07020.88
5.5.320.0070.08020.81
5.5.310.0000.08320.82
5.5.300.0100.08020.77
5.5.290.0170.06720.83
5.5.280.0130.06320.79
5.5.270.0000.09320.60
5.5.260.0030.05020.74
5.5.250.0030.08020.61
5.5.240.0100.06720.21
5.5.230.0000.05720.10
5.5.220.0100.08020.27
5.5.210.0070.07720.17
5.5.200.0100.07720.11
5.5.190.0030.07720.17
5.5.180.0070.04720.16
5.5.160.0100.04320.24
5.5.150.0070.08019.98
5.5.140.0030.08320.26
5.5.130.0130.07720.10
5.5.120.0130.07720.14
5.5.110.0170.06720.21
5.5.100.0000.08020.10
5.5.90.0070.05020.00
5.5.80.0100.07019.95
5.5.70.0070.08020.14
5.5.60.0030.05020.02
5.5.50.0000.05020.08
5.5.40.0030.08320.07
5.5.30.0100.04720.10
5.5.20.0000.04320.07
5.5.10.0070.05720.04
5.5.00.0070.05020.00
5.4.450.0070.07319.27
5.4.440.0000.05019.29
5.4.430.0100.05019.46
5.4.420.0070.08019.35
5.4.410.0030.06019.34
5.4.400.0070.05719.14
5.4.390.0070.07319.23
5.4.380.0130.06719.12
5.4.370.0100.07318.90
5.4.360.0130.06019.05
5.4.350.0100.06319.00
5.4.340.0130.07318.98
5.4.320.0170.05719.09
5.4.310.0030.07319.07
5.4.300.0000.06018.94
5.4.290.0130.06718.96
5.4.280.0100.06319.05
5.4.270.0030.08719.07
5.4.260.0030.07018.94
5.4.250.0170.03319.04
5.4.240.0070.07319.09
5.4.230.0070.05019.02
5.4.220.0070.04719.23
5.4.210.0070.07019.11
5.4.200.0100.07018.97
5.4.190.0000.05318.82
5.4.180.0130.07019.16
5.4.170.0070.08019.11
5.4.160.0100.07318.90
5.4.150.0170.06719.07
5.4.140.0070.04716.20
5.4.130.0070.04016.27
5.4.120.0070.05316.21
5.4.110.0100.07016.22
5.4.100.0000.07016.45
5.4.90.0000.07016.38
5.4.80.0070.06016.19
5.4.70.0100.07316.33
5.4.60.0100.05316.38
5.4.50.0000.04316.24
5.4.40.0070.04716.37
5.4.30.0000.05716.32
5.4.20.0030.06716.39
5.4.10.0100.07316.27
5.4.00.0100.06015.66
5.3.290.0030.04314.51
5.3.280.0130.07014.54
5.3.270.0070.08014.42
5.3.260.0100.07314.59
5.3.250.0070.08014.43
5.3.240.0170.05314.59
5.3.230.0070.04314.57
5.3.220.0100.03714.57
5.3.210.0070.07314.54
5.3.200.0070.07014.50
5.3.190.0070.07314.47
5.3.180.0030.05314.38
5.3.170.0030.07714.38
5.3.160.0000.05014.54
5.3.150.0030.07314.55
5.3.140.0030.07014.54
5.3.130.0070.07714.49
5.3.120.0130.07014.40
5.3.110.0100.05714.39
5.3.100.0070.04714.01
5.3.90.0030.05713.95
5.3.80.0030.03713.80
5.3.70.0030.06313.92
5.3.60.0030.05313.86
5.3.50.0100.06713.91
5.3.40.0070.07713.93
5.3.30.0070.07313.76
5.3.20.0070.07013.68
5.3.10.0100.04313.64
5.3.00.0030.04313.39
5.2.170.0070.03310.93
5.2.160.0100.06011.14
5.2.150.0100.05710.98
5.2.140.0100.05711.09
5.2.130.0030.06011.04
5.2.120.0000.06710.94
5.2.110.0070.06311.10
5.2.100.0100.04710.93
5.2.90.0070.06011.05
5.2.80.0100.05711.08
5.2.70.0070.06011.09
5.2.60.0070.03010.86
5.2.50.0070.04310.81
5.2.40.0030.03711.04
5.2.30.0000.05711.02
5.2.20.0070.02710.80
5.2.10.0030.03710.91
5.2.00.0000.06710.77
5.1.60.0070.05010.05
5.1.50.0130.0439.82
5.1.40.0170.0539.96
5.1.30.0230.02310.39
5.1.20.0000.03310.27
5.1.10.0070.04010.05
5.1.00.0070.04710.05
5.0.50.0000.0508.45
5.0.40.0100.0338.39
5.0.30.0030.0438.21
5.0.20.0070.0208.29
5.0.10.0030.0278.26
5.0.00.0000.0338.14
4.4.90.0030.0337.14
4.4.80.0000.0377.14
4.4.70.0000.0277.14
4.4.60.0000.0237.14
4.4.50.0000.0207.14
4.4.40.0030.0507.14
4.4.30.0030.0207.14
4.4.20.0000.0377.14
4.4.10.0000.0377.14
4.4.00.0070.0377.14
4.3.110.0070.0307.14
4.3.100.0070.0107.14
4.3.90.0000.0177.14
4.3.80.0030.0277.14
4.3.70.0100.0307.14
4.3.60.0070.0277.14
4.3.50.0100.0237.14
4.3.40.0000.0577.14
4.3.30.0100.0137.14
4.3.20.0070.0137.14
4.3.10.0000.0207.14
4.3.00.0030.0207.14

preferences:
51.02 ms | 401 KiB | 5 Q