3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Whatever; $dateString = null; if ($dateString instanceof DateTimeInterface) { echo "interface"; }

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)
8.3.60.0040.01118.43
8.3.50.0200.00017.95
8.3.40.0070.00718.71
8.3.30.0070.00718.97
8.3.20.0050.00320.21
8.3.10.0040.00420.57
8.3.00.0060.00319.25
8.2.180.0070.01318.16
8.2.170.0090.00622.96
8.2.160.0070.01019.21
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0000.00822.14
8.2.110.0040.00422.20
8.2.100.0120.00018.03
8.2.90.0090.00018.95
8.2.80.0050.00317.97
8.2.70.0050.00317.36
8.2.60.0050.00317.91
8.2.50.0060.00318.07
8.2.40.0000.00718.16
8.2.30.0000.00719.29
8.2.20.0000.00817.66
8.2.10.0020.00517.99
8.2.00.0030.00517.60
8.1.280.0120.00625.92
8.1.270.0060.00322.06
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0000.00921.95
8.1.230.0090.00318.99
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0100.00017.10
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.60
8.1.160.0070.00021.85
8.1.150.0050.00618.82
8.1.140.0050.00217.44
8.1.130.0030.00317.87
8.1.120.0000.00717.41
8.1.110.0000.00717.28
8.1.100.0040.00417.27
8.1.90.0070.00017.45
8.1.80.0000.00817.40
8.1.70.0000.00817.31
8.1.60.0040.00417.43
8.1.50.0050.00317.45
8.1.40.0000.00817.41
8.1.30.0050.00217.54
8.1.20.0000.00717.62
8.1.10.0000.00717.44
8.1.00.0000.00917.31
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0030.00318.31
8.0.270.0000.00717.32
8.0.260.0060.00017.17
8.0.250.0030.00316.93
8.0.240.0030.00516.93
8.0.230.0040.00416.87
8.0.220.0000.00716.74
8.0.210.0000.00616.86
8.0.200.0030.00316.90
8.0.190.0040.00416.84
8.0.180.0030.00316.86
8.0.170.0030.00516.75
8.0.160.0070.00016.78
8.0.150.0000.00716.73
8.0.140.0030.00316.77
8.0.130.0000.00713.34
8.0.120.0070.00016.73
8.0.110.0040.00416.72
8.0.100.0000.00716.80
8.0.90.0070.00016.91
8.0.80.0060.00916.81
8.0.70.0030.00316.90
8.0.60.0030.00516.69
8.0.50.0000.00716.59
8.0.30.0120.00817.04
8.0.20.0150.00517.40
8.0.10.0080.00016.90
8.0.00.0160.00416.65
7.4.330.0000.00615.01
7.4.320.0060.00016.36
7.4.300.0000.00616.28
7.4.290.0070.00016.58
7.4.280.0070.00016.55
7.4.270.0060.00016.48
7.4.260.0000.00916.47
7.4.250.0040.00416.52
7.4.240.0040.00416.49
7.4.230.0000.00716.34
7.4.220.0120.01316.56
7.4.210.0110.00416.50
7.4.200.0020.00616.61
7.4.160.0120.00916.46
7.4.150.0070.01017.40
7.4.140.0120.00617.86
7.4.130.0060.01116.46
7.4.120.0090.00716.40
7.4.110.0110.01116.40
7.4.100.0080.01616.34
7.4.90.0070.01016.50
7.4.80.0080.00819.37
7.4.70.0070.01416.43
7.4.60.0060.01116.21
7.4.50.0080.00016.25
7.4.40.0140.00316.39
7.4.30.0090.00616.35
7.4.00.0030.00915.05
7.3.330.0060.00013.08
7.3.320.0000.00712.93
7.3.310.0000.00716.16
7.3.300.0030.00316.19
7.3.290.0100.01016.23
7.3.280.0050.01416.17
7.3.270.0140.01117.40
7.3.260.0060.01216.49
7.3.250.0130.00816.24
7.3.240.0080.00816.20
7.3.230.0030.01516.39
7.3.210.0080.00816.35
7.3.200.0060.01219.39
7.3.190.0180.00316.16
7.3.180.0030.01216.04
7.3.170.0100.00616.48
7.3.160.0060.01216.33
7.3.10.0050.00916.31
7.3.00.0110.00216.29
7.2.330.0030.01416.25
7.2.320.0030.01316.61
7.2.310.0130.00416.52
7.2.300.0030.01316.42
7.2.290.0090.01016.39
7.2.130.0050.01016.53
7.2.120.0090.00916.40
7.2.110.0090.00916.38
7.2.100.0050.01316.37
7.2.90.0090.00716.60
7.2.80.0100.00716.58
7.2.70.0060.00816.46
7.2.60.0080.00916.38
7.2.50.0120.00616.47
7.2.40.0120.00816.61
7.2.30.0080.00816.33
7.2.20.0080.00816.31
7.2.10.0090.00716.27
7.2.00.0080.00917.56
7.1.250.0080.00815.42
7.1.200.0000.00915.51
7.1.100.0030.00917.91
7.1.70.0030.00617.05
7.1.60.0040.00819.32
7.1.50.0080.01216.83
7.1.00.0000.07722.30
7.0.200.0080.00016.73
7.0.140.0000.07722.11
7.0.110.0130.06721.69
7.0.100.0030.09021.75
7.0.90.0000.06321.70
7.0.80.0170.05321.83
7.0.70.0070.08021.72
7.0.60.0070.08021.83
7.0.50.0000.05021.86
7.0.40.0100.07319.86
7.0.30.0070.08019.76
7.0.20.0130.07019.87
7.0.10.0100.05019.85
7.0.00.0100.07319.64
5.6.280.0100.06720.77
5.6.260.0030.08320.65
5.6.250.0070.08020.58
5.6.240.0130.08320.55
5.6.230.0030.08320.70
5.6.220.0070.08020.64
5.6.210.0000.09020.61
5.6.200.0070.07320.58
5.6.190.0030.08320.58
5.6.180.0130.07020.55
5.6.170.0100.07720.65
5.6.160.0100.07320.55
5.6.150.0070.08020.61
5.6.140.0070.08020.67
5.6.130.0130.07320.64
5.6.120.0030.06020.68
5.6.110.0030.07720.57
5.6.100.0100.08320.53
5.6.90.0000.09020.60
5.6.80.0070.07719.98
5.6.70.0070.07319.92
5.6.60.0130.06719.99
5.6.50.0170.06720.02
5.6.40.0030.08020.04
5.6.30.0100.07320.04
5.6.20.0100.04319.97
5.6.10.0030.04720.00
5.6.00.0130.08020.00
5.5.380.0070.08017.66
5.5.370.0070.05317.53
5.5.360.0100.07717.52
5.5.350.0100.08017.54
5.5.340.0170.06318.13
5.5.330.0070.04717.85
5.5.320.0070.08018.14
5.5.310.0070.07318.12
5.5.300.0030.07718.25
5.5.290.0100.08017.85
5.5.280.0100.08017.77
5.5.270.0100.08018.12
5.5.260.0030.06018.00
5.5.250.0070.08017.71
5.5.240.0100.07017.37
5.5.230.0070.07717.24
5.5.220.0030.05017.36
5.5.210.0000.04717.36
5.5.200.0100.07317.34
5.5.190.0070.06317.36
5.5.180.0100.06017.36
5.5.160.0070.05317.50
5.5.150.0070.07717.44
5.5.140.0130.07017.51
5.5.130.0100.07717.51
5.5.120.0030.06017.21
5.5.110.0100.07717.59
5.5.100.0100.07017.03
5.5.90.0070.07017.09
5.5.80.0030.05017.15
5.5.70.0070.08017.00
5.5.60.0100.04017.09
5.5.50.0070.07317.10
5.5.40.0030.07317.03
5.5.30.0030.07717.09
5.5.20.0070.07717.08
5.5.10.0070.05717.09
5.5.00.0000.07317.05
5.4.450.0000.07719.40
5.4.440.0100.07319.42
5.4.430.0070.07019.22
5.4.420.0070.07319.43
5.4.410.0170.05719.15
5.4.400.0030.05019.11
5.4.390.0070.07719.02
5.4.380.0100.07019.18
5.4.370.0130.06319.11
5.4.360.0130.06319.08
5.4.350.0070.07319.11
5.4.340.0170.06719.01
5.4.320.0030.04018.95
5.4.310.0100.04718.98
5.4.300.0030.05719.18
5.4.290.0130.07018.98
5.4.280.0100.07319.17
5.4.270.0070.07719.11
5.4.260.0030.08018.95
5.4.250.0100.05019.00
5.4.240.0000.08019.11
5.4.230.0130.07019.11
5.4.220.0030.08019.07
5.4.210.0030.07719.11
5.4.200.0030.07718.94
5.4.190.0100.07318.94
5.4.180.0070.07718.94
5.4.170.0170.06719.19
5.4.160.0070.07719.00
5.4.150.0000.08318.96
5.4.140.0170.06316.48
5.4.130.0070.07316.17
5.4.120.0130.06316.45
5.4.110.0030.07016.30
5.4.100.0000.04016.37
5.4.90.0100.06716.28
5.4.80.0130.03316.17
5.4.70.0100.04316.17
5.4.60.0100.07316.16
5.4.50.0130.04716.47
5.4.40.0030.07716.43
5.4.30.0130.03716.45
5.4.20.0070.07316.25
5.4.10.0100.07316.45
5.4.00.0130.05315.91
5.3.290.0100.07714.61
5.3.280.0070.05314.49
5.3.270.0070.07314.70
5.3.260.0070.07314.54
5.3.250.0130.06014.52
5.3.240.0030.05014.50
5.3.230.0070.07314.61
5.3.220.0100.06314.62
5.3.210.0000.07714.55
5.3.200.0000.06314.43
5.3.190.0070.07314.39
5.3.180.0070.04314.66
5.3.170.0100.06014.39
5.3.160.0100.07314.57
5.3.150.0100.07314.55
5.3.140.0070.07714.48
5.3.130.0100.07014.48
5.3.120.0130.03714.43
5.3.110.0100.07714.55
5.3.100.0070.07714.10
5.3.90.0000.05014.04
5.3.80.0100.07313.91
5.3.70.0070.07314.07
5.3.60.0100.07313.92
5.3.50.0030.05313.86
5.3.40.0070.06013.87
5.3.30.0100.04713.76
5.3.20.0130.06313.59
5.3.10.0100.06713.55
5.3.00.0200.06013.64
5.2.170.0030.03011.21
5.2.160.0100.05311.03
5.2.150.0100.06011.30
5.2.140.0100.06010.93
5.2.130.0100.05011.00
5.2.120.0000.04311.05
5.2.110.0070.03711.02
5.2.100.0070.06311.11
5.2.90.0030.06010.89
5.2.80.0100.03011.02
5.2.70.0100.03011.04
5.2.60.0030.04710.99
5.2.50.0100.05711.18
5.2.40.0070.05010.98
5.2.30.0070.06010.78
5.2.20.0030.06310.90
5.2.10.0070.05310.79
5.2.00.0070.04710.84
5.1.60.0070.0479.89
5.1.50.0170.0339.90
5.1.40.0130.0439.87
5.1.30.0100.05010.32
5.1.20.0100.05010.43
5.1.10.0030.04710.13
5.1.00.0030.05710.00
5.0.50.0030.0479.70
5.0.40.0000.0279.70
5.0.30.0030.0639.70
5.0.20.0030.0339.70
5.0.10.0030.0439.70
5.0.00.0070.0609.70
4.4.90.0100.0279.70
4.4.80.0000.0379.70
4.4.70.0000.0379.70
4.4.60.0030.0309.70
4.4.50.0030.0279.70
4.4.40.0000.0579.70
4.4.30.0000.0409.70
4.4.20.0000.0409.70
4.4.10.0070.0279.70
4.4.00.0100.0439.70
4.3.110.0030.0339.70
4.3.100.0000.0379.70
4.3.90.0030.0339.70
4.3.80.0000.0579.70
4.3.70.0030.0339.70
4.3.60.0070.0309.70
4.3.50.0000.0339.70
4.3.40.0000.0439.70
4.3.30.0030.0339.70
4.3.20.0030.0339.70
4.3.10.0030.0279.70
4.3.00.0000.0379.70

preferences:
38.22 ms | 400 KiB | 5 Q