3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!class_exists('xxx')) { class xxx {} }

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)
8.3.40.0150.00018.70
8.3.30.0070.00719.15
8.3.20.0060.00320.25
8.3.10.0070.00021.83
8.3.00.0060.00320.67
8.2.170.0120.00622.96
8.2.160.0140.00020.34
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00019.70
8.2.110.0060.00620.97
8.2.100.0120.00017.78
8.2.90.0000.00817.90
8.2.80.0030.00517.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0050.00318.18
8.2.30.0000.00718.00
8.2.20.0040.00417.68
8.2.10.0050.00317.93
8.2.00.0080.00017.66
8.1.270.0060.00320.66
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00622.44
8.1.230.0070.00420.99
8.1.220.0060.00317.74
8.1.210.0040.00418.84
8.1.200.0040.00417.22
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0030.00620.42
8.1.160.0000.00822.01
8.1.150.0040.00418.79
8.1.140.0000.00717.38
8.1.130.0030.00517.29
8.1.120.0070.00017.44
8.1.110.0040.00417.30
8.1.100.0070.00017.41
8.1.90.0000.00717.37
8.1.80.0030.00317.35
8.1.70.0070.00017.23
8.1.60.0000.00817.43
8.1.50.0050.00317.37
8.1.40.0040.00417.30
8.1.30.0040.00417.54
8.1.20.0000.00817.55
8.1.10.0070.00317.32
8.1.00.0030.00717.30
8.0.300.0040.00419.79
8.0.290.0070.00016.63
8.0.280.0030.00318.24
8.0.270.0000.00717.18
8.0.260.0030.00316.66
8.0.250.0000.00716.75
8.0.240.0040.00416.77
8.0.230.0040.00416.95
8.0.220.0000.00716.76
8.0.210.0000.00716.88
8.0.200.0000.00616.87
8.0.190.0030.00516.84
8.0.180.0020.00516.87
8.0.170.0050.00216.90
8.0.160.0050.00316.95
8.0.150.0050.00316.73
8.0.140.0080.00016.77
8.0.130.0000.00613.28
8.0.120.0040.00416.66
8.0.110.0000.00716.78
8.0.100.0040.00416.86
8.0.90.0000.00716.84
8.0.80.0040.01216.77
8.0.70.0000.00716.76
8.0.60.0020.00516.75
8.0.50.0040.00416.77
8.0.30.0170.00516.81
8.0.20.0090.01317.40
8.0.10.0080.00016.97
8.0.00.0100.01016.48
7.4.330.0020.00215.03
7.4.320.0000.00716.51
7.4.300.0060.00016.42
7.4.290.0030.00316.32
7.4.280.0080.00016.54
7.4.270.0000.00616.44
7.4.260.0040.00416.38
7.4.250.0000.00716.53
7.4.240.0040.00416.38
7.4.230.0030.00316.46
7.4.220.0070.01116.54
7.4.210.0090.00516.45
7.4.200.0050.00216.56
7.4.160.0120.00416.30
7.4.150.0100.01017.40
7.4.140.0110.01017.86
7.4.130.0100.00816.50
7.4.120.0060.01316.35
7.4.110.0090.01516.61
7.4.100.0100.00716.25
7.4.90.0110.00616.38
7.4.80.0070.01116.59
7.4.70.0090.00616.61
7.4.60.0080.00816.61
7.4.50.0050.00316.18
7.4.40.0120.00616.28
7.4.30.0160.00916.43
7.4.10.0070.01116.62
7.4.00.0100.00815.67
7.3.330.0030.00412.95
7.3.320.0100.00313.12
7.3.310.0040.00416.14
7.3.300.0000.00716.21
7.3.290.0070.00016.17
7.3.280.0090.00816.21
7.3.270.0060.01217.40
7.3.260.0100.01016.39
7.3.250.0100.00716.51
7.3.240.0150.00416.25
7.3.230.0100.01416.39
7.3.210.0100.00716.51
7.3.200.0110.00819.39
7.3.190.0040.01116.34
7.3.180.0060.00916.41
7.3.170.0100.01016.27
7.3.160.0040.01116.18
7.3.130.0070.01116.36
7.3.120.0100.00716.22
7.3.110.0060.01116.52
7.3.100.0040.01516.10
7.3.90.0100.01016.17
7.3.80.0070.00716.25
7.3.70.0070.00716.28
7.3.60.0120.00316.36
7.3.50.0070.00416.20
7.3.40.0090.00616.21
7.3.30.0030.01016.16
7.3.20.0040.01517.96
7.3.10.0070.01118.15
7.3.00.0070.00717.98
7.2.330.0070.01016.41
7.2.320.0080.00816.55
7.2.310.0080.01116.54
7.2.300.0090.00616.37
7.2.290.0110.01116.37
7.2.260.0030.01016.27
7.2.250.0130.00916.15
7.2.240.0060.01216.47
7.2.230.0100.00716.48
7.2.220.0000.02016.46
7.2.210.0030.00716.25
7.2.200.0060.00616.32
7.2.190.0060.00916.36
7.2.180.0070.00316.15
7.2.170.0060.01216.40
7.2.160.0090.00616.31
7.2.150.0060.00918.24
7.2.140.0060.00918.08
7.2.130.0060.00918.27
7.2.120.0060.00318.14
7.2.110.0060.00918.42
7.2.100.0070.00318.09
7.2.90.0040.01118.27
7.2.80.0070.00718.12
7.2.70.0000.01918.07
7.2.60.0060.00618.15
7.2.50.0090.00618.25
7.2.40.0040.01218.36
7.2.30.0060.00618.27
7.2.20.0070.00718.20
7.2.10.0070.00717.96
7.2.00.0040.00918.71
7.1.330.0070.01017.25
7.1.320.0000.01017.27
7.1.310.0060.00617.45
7.1.300.0090.00317.11
7.1.290.0090.00617.17
7.1.280.0030.00717.37
7.1.270.0030.00917.23
7.1.260.0030.01017.06
7.1.250.0030.00917.17
7.1.240.0060.00917.19
7.1.230.0120.00417.14
7.1.220.0000.01117.12
7.1.210.0090.00617.24
7.1.200.0060.00917.17
7.1.190.0030.01217.20
7.1.180.0090.00617.08
7.1.170.0060.00617.08
7.1.160.0000.01617.30
7.1.150.0030.00917.20
7.1.140.0060.00917.10
7.1.130.0000.01517.24
7.1.120.0000.01717.11
7.1.110.0000.01317.19
7.1.100.0050.00517.79
7.1.90.0150.00016.97
7.1.80.0000.00917.27
7.1.70.0050.00617.02
7.1.60.0080.01218.18
7.1.50.0030.01416.96
7.1.40.0050.00517.34
7.1.30.0070.00717.12
7.1.20.0100.00717.13
7.1.10.0070.00717.17
7.1.00.0070.04219.75
7.0.330.0000.01316.91
7.0.320.0070.00416.95
7.0.310.0100.00317.14
7.0.300.0030.00716.74
7.0.290.0040.01216.89
7.0.280.0110.00317.04
7.0.270.0000.01016.92
7.0.260.0040.01116.96
7.0.250.0030.00617.02
7.0.240.0040.01117.13
7.0.230.0110.00417.05
7.0.220.0030.01216.96
7.0.210.0070.00717.04
7.0.200.0070.00815.89
7.0.190.0040.01116.81
7.0.180.0030.00616.93
7.0.170.0000.00916.92
7.0.160.0040.00716.93
7.0.150.0070.00716.98
7.0.140.0030.02019.46
7.0.130.0090.00616.98
7.0.120.0070.00316.97
7.0.110.0100.00317.02
7.0.100.0110.00416.87
7.0.90.0040.01216.96
7.0.80.0060.00616.88
7.0.70.0000.01616.82
7.0.60.0030.05018.24
7.0.50.0070.04017.43
7.0.40.0130.04217.61
7.0.30.0220.04117.51
7.0.20.0210.03017.49
7.0.10.0050.03517.59
7.0.00.0090.03517.50
5.6.400.0070.00416.16
5.6.390.0140.00015.80
5.6.380.0000.01215.89
5.6.370.0060.00916.02
5.6.360.0070.00716.14
5.6.350.0070.01016.08
5.6.340.0030.01215.79
5.6.330.0090.00315.70
5.6.320.0030.01015.89
5.6.310.0090.00615.88
5.6.300.0000.01415.95
5.6.290.0000.01115.89
5.6.280.0050.04318.47
5.6.270.0030.01315.82
5.6.260.0030.01415.89
5.6.250.0040.01115.97
5.6.240.0070.00415.57
5.6.230.0080.00815.66
5.6.220.0070.00715.70
5.6.210.0100.03317.96
5.6.200.0090.04416.96
5.6.190.0050.05118.20
5.6.180.0280.03818.21
5.6.170.0190.04218.18
5.6.160.0080.03018.13
5.6.150.0100.02716.91
5.6.140.0080.02316.90
5.6.130.0080.04817.06
5.6.120.0070.03218.33
5.6.110.0050.02518.27
5.6.100.0080.03518.45
5.6.90.0060.02318.38
5.6.80.0070.04018.12
5.6.70.0030.01215.55
5.6.60.0070.00715.66
5.6.50.0080.00315.82
5.6.40.0100.00315.95
5.6.30.0030.01015.67
5.6.20.0000.01515.54
5.6.10.0040.00715.64
5.6.00.0060.00915.90
5.5.380.0080.00415.47
5.5.370.0040.01515.56
5.5.360.0140.00615.72
5.5.350.0260.03817.97
5.5.340.0040.03016.73
5.5.330.0110.02118.07
5.5.320.0070.02518.02
5.5.310.0160.02317.86
5.5.300.0110.03916.92
5.5.290.0030.02816.82
5.5.280.0110.04718.19
5.5.270.0040.02818.20
5.5.260.0050.04518.15
5.5.250.0120.04218.09
5.5.240.0070.04017.99
5.5.230.0070.00715.64
5.5.220.0000.01515.50
5.5.210.0110.00415.60
5.5.200.0100.00615.59
5.5.190.0100.00715.36
5.5.180.0060.00615.69
5.5.170.0040.01115.65
5.5.160.0110.00715.67
5.5.150.0070.00315.43
5.5.140.0060.01015.62
5.5.130.0030.01415.66
5.5.120.0040.01415.61
5.5.110.0040.00815.73
5.5.100.0070.00715.78
5.5.90.0060.00315.57
5.5.80.0060.01215.64
5.5.70.0000.01015.66
5.5.60.0030.00615.41
5.5.50.0060.01315.51
5.5.40.0060.00915.39
5.5.30.0060.01015.51
5.5.20.0160.00015.77
5.5.10.0000.01015.58
5.5.00.0070.00715.66
5.4.450.0380.04615.92
5.4.440.0410.03615.86
5.4.430.0430.02815.87
5.4.420.0540.02715.79
5.4.410.0520.02915.93
5.4.400.0170.02315.71
5.4.390.0110.03015.52
5.4.380.0150.03215.67
5.4.370.0120.03515.46
5.4.360.0120.02715.54
5.4.350.0150.03415.50
5.4.340.0100.03015.58
5.4.330.0060.00612.38
5.4.320.0160.02815.49
5.4.310.0180.03815.42
5.4.300.0130.04115.56
5.4.290.0200.03515.52
5.4.280.0170.03015.53
5.4.270.0140.02915.46
5.4.260.0150.02715.63
5.4.250.0060.03615.53
5.4.240.0190.03515.70
5.4.230.0130.03515.43
5.4.220.0150.04015.50
5.4.210.0170.03015.69
5.4.200.0160.03214.55
5.4.190.0080.03715.48
5.4.180.0080.03315.60
5.4.170.0170.02815.54
5.4.160.0120.03115.51
5.4.150.0120.03415.45
5.4.140.0100.03214.33
5.4.130.0120.02714.48
5.4.120.0130.02614.46
5.4.110.0100.03114.54
5.4.100.0120.03614.39
5.4.90.0150.02814.30
5.4.80.0100.03114.27
5.4.70.0190.02414.20
5.4.60.0070.03314.25
5.4.50.0160.02714.35
5.4.40.0120.03114.34
5.4.30.0100.03114.28
5.4.20.0150.04014.42
5.4.10.0100.02714.44
5.4.00.0200.03113.97
5.3.290.0270.04714.68
5.3.280.0270.05014.71
5.3.270.0200.06014.82
5.3.260.0200.06014.70
5.3.250.0200.07714.76
5.3.240.0170.05714.62
5.3.230.0130.06714.57
5.3.220.0270.05014.61
5.3.210.0130.06314.61
5.3.200.0130.06014.58
5.3.190.0130.07014.59
5.3.180.0230.04714.61
5.3.170.0170.05714.77
5.3.160.0230.05714.65
5.3.150.0230.05014.53
5.3.140.0300.04314.58
5.3.130.0400.06014.55
5.3.120.0300.05314.76
5.3.110.0170.08314.56
5.3.100.0300.04314.15
5.3.90.0230.05014.18
5.3.80.0170.08314.18
5.3.70.0270.06314.03
5.3.60.0270.05314.03
5.3.50.0270.04713.96
5.3.40.0270.04713.98
5.3.30.0270.04314.12
5.3.20.0200.05313.72
5.3.10.0230.06713.77
5.3.00.0300.04313.68
5.2.170.0270.03011.21
5.2.160.0200.04311.13
5.2.150.0200.03711.24
5.2.140.0170.04311.15
5.2.130.0130.04011.13
5.2.120.0170.04311.19
5.2.110.0070.05011.21
5.2.100.0170.05311.12
5.2.90.0200.03711.20
5.2.80.0130.04711.19
5.2.70.0130.04711.14
5.2.60.0100.04311.26
5.2.50.0100.06311.13
5.2.40.0100.04311.04
5.2.30.0130.04311.18
5.2.20.0100.04010.99
5.2.10.0170.03710.96
5.2.00.0330.03710.69
5.1.60.0130.04710.11
5.1.50.0100.05010.11
5.1.40.0200.04010.16
5.1.30.0200.04310.43
5.1.20.0130.05010.54
5.1.10.0130.05010.08
5.1.00.0130.05010.23
5.0.50.0170.0338.73
5.0.40.0030.0438.59
5.0.30.0100.0408.33
5.0.20.0070.0308.38
5.0.10.0170.0238.25
5.0.00.0070.0408.23
4.4.90.0070.0205.92
4.4.80.0030.0235.88
4.4.70.0130.0205.87
4.4.60.0130.0175.90
4.4.50.0100.0205.92
4.4.40.0100.0306.00
4.4.30.0170.0205.95
4.4.20.0130.0235.96
4.4.10.0070.0306.05
4.4.00.0070.0435.94
4.3.110.0100.0275.93
4.3.100.0130.0235.80
4.3.90.0000.0275.82
4.3.80.0100.0305.81
4.3.70.0130.0205.82
4.3.60.0100.0275.78
4.3.50.0030.0235.76
4.3.40.0030.0375.82
4.3.30.0070.0204.59
4.3.20.0100.0234.54
4.3.10.0000.0274.56
4.3.00.0430.03014.42

preferences:
51.3 ms | 400 KiB | 5 Q