3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace N { class A {} } namespace M { $a = new \N\A(); var_dump(get_class($a)); }

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)
8.3.60.0070.00716.38
8.3.50.0140.00521.00
8.3.40.0140.00018.73
8.3.30.0090.00618.92
8.3.20.0110.00420.18
8.3.10.0040.00421.69
8.3.00.0040.00419.00
8.2.180.0160.00018.29
8.2.170.0120.00618.70
8.2.160.0070.00722.96
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00420.88
8.2.110.0070.00319.30
8.2.100.0060.00617.63
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0000.00817.77
8.2.50.0000.00818.07
8.2.40.0040.00419.95
8.2.30.0040.00417.88
8.2.20.0080.00017.48
8.2.10.0000.00818.05
8.2.00.0000.00717.97
8.1.280.0130.00725.92
8.1.270.0110.00720.29
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00619.12
8.1.230.0040.00717.89
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0000.01117.35
8.1.190.0050.00317.23
8.1.180.0050.00218.10
8.1.170.0030.00518.53
8.1.160.0000.00821.99
8.1.150.0090.00018.86
8.1.140.0000.00717.39
8.1.130.0070.00017.59
8.1.120.0040.00417.43
8.1.110.0080.00017.37
8.1.100.0070.00017.39
8.1.90.0050.00217.32
8.1.80.0030.00317.30
8.1.70.0000.00717.30
8.1.60.0040.00417.51
8.1.50.0040.00417.36
8.1.40.0040.00417.41
8.1.30.0040.00417.61
8.1.20.0040.00417.59
8.1.10.0040.00417.52
8.1.00.0000.00817.33
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0040.00418.41
8.0.270.0070.00017.18
8.0.260.0000.00717.26
8.0.250.0030.00316.88
8.0.240.0050.00516.75
8.0.230.0000.00716.91
8.0.220.0030.00316.79
8.0.210.0080.00316.80
8.0.200.0000.00716.89
8.0.190.0000.00816.82
8.0.180.0050.00516.86
8.0.170.0000.00716.86
8.0.160.0040.00416.78
8.0.150.0030.00316.76
8.0.140.0050.00316.64
8.0.130.0030.00413.21
8.0.120.0060.00316.67
8.0.110.0040.00416.70
8.0.100.0000.00716.89
8.0.90.0080.00016.70
8.0.80.0100.00716.85
8.0.70.0070.00016.81
8.0.60.0080.00016.86
8.0.50.0050.00316.93
8.0.30.0110.00916.94
8.0.20.0090.00917.40
8.0.10.0030.00516.97
8.0.00.0050.01216.66
7.4.330.0050.00015.09
7.4.320.0030.00316.36
7.4.300.0070.00016.45
7.4.290.0000.00716.45
7.4.280.0000.00816.53
7.4.270.0050.00216.46
7.4.260.0110.00016.54
7.4.250.0000.00716.50
7.4.240.0000.00816.40
7.4.230.0000.00716.46
7.4.220.0090.01016.60
7.4.210.0080.01216.61
7.4.200.0000.00716.63
7.4.160.0120.00316.60
7.4.150.0120.00617.40
7.4.140.0140.00817.86
7.4.130.0070.01216.52
7.4.120.0100.00816.40
7.4.110.0070.01116.42
7.4.100.0080.01716.35
7.4.90.0030.01316.28
7.4.80.0030.01419.39
7.4.70.0120.00316.31
7.4.60.0040.01816.48
7.4.50.0030.00616.43
7.4.40.0060.01016.33
7.4.30.0080.00816.54
7.4.00.0080.00914.97
7.3.330.0030.00312.95
7.3.320.0000.00613.21
7.3.310.0000.00716.06
7.3.300.0060.00016.21
7.3.290.0120.00616.18
7.3.280.0110.00616.15
7.3.270.0030.01417.40
7.3.260.0120.01216.20
7.3.250.0090.00816.30
7.3.240.0100.00716.33
7.3.230.0110.00716.39
7.3.210.0100.00616.10
7.3.200.0070.01419.39
7.3.190.0060.01016.14
7.3.180.0070.01016.52
7.3.170.0060.01016.36
7.3.160.0160.00016.29
7.3.120.0130.00314.60
7.3.110.0030.01514.46
7.3.100.0080.00814.50
7.3.90.0000.01614.70
7.3.80.0030.01314.39
7.3.70.0060.01214.78
7.3.60.0040.00714.65
7.3.50.0000.01214.70
7.3.40.0070.00714.73
7.3.30.0030.01014.75
7.3.20.0080.00816.28
7.3.10.0060.00316.76
7.3.00.0080.00816.55
7.2.330.0110.00716.78
7.2.320.0130.00316.32
7.2.310.0030.01916.36
7.2.300.0090.00916.44
7.2.290.0130.01016.28
7.2.250.0070.00914.72
7.2.240.0060.00614.95
7.2.230.0090.00915.18
7.2.220.0070.01014.88
7.2.210.0070.01015.07
7.2.200.0030.00914.52
7.2.190.0120.00314.59
7.2.180.0040.00814.53
7.2.170.0060.00914.83
7.2.00.0040.01419.09
7.1.330.0080.00515.61
7.1.320.0100.00315.72
7.1.310.0060.01115.73
7.1.300.0090.00615.59
7.1.290.0070.00415.58
7.1.280.0060.00615.50
7.1.270.0040.01215.83
7.1.260.0090.00615.90
7.1.100.0040.00718.07
7.1.70.0030.00317.18
7.1.60.0120.00919.59
7.1.50.0070.01616.46
7.1.00.0070.07022.43
7.0.200.0000.01016.71
7.0.60.0030.07719.95
7.0.50.0070.08317.72
7.0.40.0100.08320.05
7.0.30.0230.06020.11
7.0.20.0270.05020.21
7.0.10.0070.08020.30
7.0.00.0130.07720.24
5.6.280.0070.07021.07
5.6.210.0070.07720.72
5.6.200.0070.08018.16
5.6.190.0030.09020.34
5.6.180.3770.04020.55
5.6.170.0270.04020.55
5.6.160.0100.08020.46
5.6.150.0070.04018.15
5.6.140.0070.07318.18
5.6.130.0000.07718.33
5.6.120.0000.04320.95
5.6.110.0030.04021.04
5.6.100.0070.08321.01
5.6.90.0230.06020.96
5.6.80.0100.04020.54
5.6.70.3830.03720.36
5.5.350.0330.06720.47
5.5.340.0070.08017.98
5.5.330.0130.06020.46
5.5.320.0130.07020.32
5.5.310.0230.04320.35
5.5.300.0070.08317.95
5.5.290.0100.07718.03
5.5.280.0030.05020.89
5.5.270.0070.06320.86
5.5.260.0130.07720.86
5.5.250.0130.04720.77
5.5.240.0230.08020.28
5.4.450.0170.06319.58
5.4.440.0570.07019.17
5.4.430.0770.06319.21
5.4.420.1000.07719.47
5.4.410.0900.05019.51
5.4.400.0730.05719.32
5.4.390.0800.06319.30
5.4.380.0830.06318.99
5.4.370.0870.05019.19
5.4.360.0870.06019.34
5.4.350.0770.06319.31
5.4.340.0730.06718.89
5.4.320.0830.05319.11
5.4.310.0770.05719.22
5.4.300.0730.04719.30
5.4.290.0600.06718.96
5.4.280.0730.06019.21
5.4.270.0600.05319.09
5.4.260.0700.05019.33
5.4.250.0730.04319.11
5.4.240.0930.05018.88
5.4.230.0770.05719.30
5.4.220.1100.06719.11
5.4.210.0770.04718.99
5.4.200.0970.07016.82
5.4.190.0830.05019.01
5.4.180.0730.05319.13
5.4.170.0770.04719.27
5.4.160.0770.05718.97
5.4.150.0900.04719.12
5.4.140.0900.05716.32
5.4.130.1070.04016.31
5.4.120.0630.04716.72
5.4.110.0670.05716.48
5.4.100.0770.05716.26
5.4.90.0800.04716.34
5.4.80.0770.05316.55
5.4.70.0670.05016.23
5.4.60.0870.04716.55
5.4.50.0700.05716.22
5.4.40.0870.05716.21
5.4.30.0730.06316.28
5.4.20.0700.07716.31
5.4.10.0570.06016.22
5.4.00.0900.06715.69
5.3.290.0870.07314.74
5.3.280.0630.06014.71
5.3.270.0900.05714.69
5.3.260.0800.05314.59
5.3.250.0870.05014.68
5.3.240.0700.06314.54
5.3.230.0870.07314.81
5.3.220.0870.04014.48
5.3.210.0700.05714.60
5.3.200.0670.05314.55
5.3.190.0630.06014.62
5.3.180.0970.07314.66
5.3.170.0800.05014.73
5.3.160.0700.04314.69
5.3.150.0700.04314.76
5.3.140.0630.05014.52
5.3.130.0570.05714.46
5.3.120.0800.05014.67
5.3.110.0570.05714.58
5.3.100.0600.05314.13
5.3.90.0600.06014.13
5.3.80.0570.05313.97
5.3.70.0530.05714.14
5.3.60.0530.05714.14
5.3.50.0630.04714.00
5.3.40.0700.03713.98
5.3.30.0600.04714.04
5.3.20.0630.04313.82
5.3.10.0670.04013.67
5.3.00.0570.05013.55
5.2.170.0530.03711.04
5.2.160.0530.03311.14
5.2.150.0470.04311.03
5.2.140.0470.04011.04
5.2.130.0500.04010.94
5.2.120.0470.04010.92
5.2.110.0600.03710.99
5.2.100.0600.03710.95
5.2.90.0570.04010.95
5.2.80.0470.04311.21
5.2.70.0500.04311.09
5.2.60.0500.04011.09
5.2.50.0530.03711.10
5.2.40.0370.04311.08
5.2.30.0330.04710.86
5.2.20.0530.02710.80
5.2.10.0370.04010.88
5.2.00.0400.03710.63
5.1.60.0370.0339.96
5.1.50.0430.02710.08
5.1.40.0430.0279.97
5.1.30.0430.03010.41
5.1.20.0700.03710.20
5.1.10.0400.03310.16
5.1.00.0470.05010.15
5.0.50.0200.0278.43
5.0.40.0200.0278.49
5.0.30.0200.0608.31
5.0.20.0200.0278.11
5.0.10.0200.0278.01
5.0.00.0170.0438.23
4.4.90.0200.0205.76
4.4.80.0230.0175.80
4.4.70.0270.0135.80
4.4.60.0200.0205.86
4.4.50.0200.0205.85
4.4.40.0270.0435.84
4.4.30.0300.0105.74
4.4.20.0170.0235.87
4.4.10.0130.0275.91
4.4.00.0270.0305.88
4.3.110.0200.0235.67
4.3.100.0270.0175.81
4.3.90.0230.0205.64
4.3.80.0300.0375.64
4.3.70.0200.0205.66
4.3.60.0170.0335.82
4.3.50.0200.0335.83
4.3.40.0230.0335.72
4.3.30.0100.0234.50
4.3.20.0100.0204.40
4.3.10.0130.0174.38
4.3.00.0030.0237.13

preferences:
59.76 ms | 401 KiB | 5 Q