3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} $a = new A(); $b = new $a; var_dump($a); var_dump($b);

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)
8.3.60.0060.01218.02
8.3.50.0120.00622.11
8.3.40.0070.00718.52
8.3.30.0070.00720.32
8.3.20.0070.00020.12
8.3.10.0050.00322.04
8.3.00.0140.00022.46
8.2.180.0110.00418.16
8.2.170.0070.00722.96
8.2.160.0100.00722.26
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00419.64
8.2.110.0040.00422.16
8.2.100.0080.00317.91
8.2.90.0000.00719.07
8.2.80.0000.00919.39
8.2.70.0080.00017.50
8.2.60.0000.00817.90
8.2.50.0060.00318.07
8.2.40.0040.00418.28
8.2.30.0040.00418.03
8.2.20.0050.00217.49
8.2.10.0000.00717.66
8.2.00.0030.00617.48
8.1.280.0120.00325.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0070.00323.93
8.1.230.0060.00619.10
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0050.00317.29
8.1.180.0090.00318.10
8.1.170.0040.00418.48
8.1.160.0070.00022.13
8.1.150.0040.00418.49
8.1.140.0000.00717.38
8.1.130.0050.00317.70
8.1.120.0050.00517.40
8.1.110.0080.00017.27
8.1.100.0080.00017.38
8.1.90.0070.00017.38
8.1.80.0030.00317.38
8.1.70.0000.00717.25
8.1.60.0000.00817.49
8.1.50.0040.00417.41
8.1.40.0000.00717.34
8.1.30.0040.00417.53
8.1.20.0040.00417.54
8.1.10.0000.00817.54
8.1.00.0040.00417.48
8.0.300.0070.00018.77
8.0.290.0040.00416.93
8.0.280.0030.00318.48
8.0.270.0030.00317.17
8.0.260.0000.00616.78
8.0.250.0000.00716.81
8.0.240.0080.00016.92
8.0.230.0070.00016.88
8.0.220.0080.00016.84
8.0.210.0080.00016.86
8.0.200.0030.00316.89
8.0.190.0040.00416.85
8.0.180.0070.00016.73
8.0.170.0050.00316.89
8.0.160.0000.00716.88
8.0.150.0000.00716.84
8.0.140.0040.00416.78
8.0.130.0000.00613.21
8.0.120.0060.00316.72
8.0.110.0040.00416.72
8.0.100.0050.00316.70
8.0.90.0000.00716.71
8.0.80.0060.00916.86
8.0.70.0040.00416.77
8.0.60.0070.00016.80
8.0.50.0040.00416.76
8.0.30.0090.00917.05
8.0.20.0100.00817.40
8.0.10.0000.00716.82
8.0.00.0130.00616.74
7.4.330.0000.00515.00
7.4.320.0000.00616.57
7.4.300.0060.00016.50
7.4.290.0030.00316.45
7.4.280.0000.00716.52
7.4.270.0040.00416.36
7.4.260.0000.00713.25
7.4.250.0030.00316.40
7.4.240.0030.00316.46
7.4.230.0040.00416.27
7.4.220.0040.01516.41
7.4.210.0080.00716.52
7.4.200.0000.00716.42
7.4.190.0000.00816.61
7.4.160.0060.01116.54
7.4.150.0090.01517.40
7.4.140.0100.01117.86
7.4.130.0100.00616.42
7.4.120.0090.00916.51
7.4.110.0070.01016.42
7.4.100.0070.01016.45
7.4.90.0110.00616.44
7.4.80.0140.00319.39
7.4.70.0030.01216.39
7.4.60.0090.00916.43
7.4.50.0000.00916.29
7.4.40.0060.00922.77
7.4.30.0140.00316.25
7.4.00.0090.00814.58
7.3.330.0000.00513.05
7.3.320.0030.00313.07
7.3.310.0000.00716.23
7.3.300.0030.00316.21
7.3.290.0030.01016.14
7.3.280.0060.01216.24
7.3.270.0100.00717.40
7.3.260.0080.00816.49
7.3.250.0060.01716.49
7.3.240.0100.01016.24
7.3.230.0100.01016.39
7.3.210.0080.00816.34
7.3.200.0110.01219.39
7.3.190.0130.00616.16
7.3.180.0130.00316.23
7.3.170.0120.00316.40
7.3.160.0120.00316.35
7.3.120.0120.00414.73
7.3.110.0110.00714.56
7.3.100.0070.00714.76
7.3.90.0070.00714.49
7.3.80.0040.00714.69
7.3.70.0040.00414.50
7.3.60.0030.00914.85
7.3.50.0030.01414.65
7.3.40.0070.01014.41
7.3.30.0040.01114.82
7.3.20.0030.00616.39
7.3.10.0060.00916.56
7.3.00.0020.01016.59
7.2.330.0220.00316.45
7.2.320.0160.00516.61
7.2.310.0100.01016.62
7.2.300.0100.00616.56
7.2.290.0120.00616.49
7.2.250.0110.00714.89
7.2.240.0100.01014.78
7.2.230.0030.00814.75
7.2.220.0070.01115.06
7.2.210.0070.00714.81
7.2.200.0060.00914.86
7.2.190.0070.00714.80
7.2.180.0070.01014.82
7.2.170.0130.00015.05
7.2.130.0060.00616.79
7.2.120.0040.00716.89
7.2.110.0070.00316.73
7.2.100.0000.00916.86
7.2.90.0040.01216.73
7.2.80.0030.00716.66
7.2.70.0080.00616.55
7.2.60.0060.00316.72
7.2.50.0030.00916.68
7.2.40.0030.00616.89
7.2.30.0060.00616.71
7.2.20.0080.00316.45
7.2.10.0060.00616.78
7.2.00.0070.00518.02
7.1.330.0000.01415.84
7.1.320.0040.00715.91
7.1.310.0070.00715.87
7.1.300.0000.01215.91
7.1.290.0150.00015.76
7.1.280.0090.00615.82
7.1.270.0080.00415.49
7.1.260.0040.01115.75
7.1.250.0030.00615.91
7.1.100.0030.00617.67
7.1.70.0040.00417.29
7.1.60.0070.01819.43
7.1.50.0070.00716.74
7.1.00.0030.03722.42
7.0.200.0040.00416.82
7.0.140.0000.07721.95
7.0.60.0000.04719.95
7.0.50.0000.05317.88
7.0.40.0170.08320.25
7.0.30.0330.05320.11
7.0.20.0230.06020.33
7.0.10.0200.05320.21
7.0.00.0170.04320.24
5.6.280.0030.07321.06
5.6.210.0000.08020.72
5.6.200.0100.08318.16
5.6.190.0130.08320.41
5.6.180.0230.05320.60
5.6.170.0430.07320.56
5.6.160.0070.08020.44
5.6.150.0130.07318.29
5.6.140.0030.08318.14
5.6.130.0130.07018.16
5.6.120.0100.04320.96
5.6.110.0070.06020.98
5.6.100.0000.04320.97
5.6.90.0170.07320.88
5.6.80.0100.04020.37
5.6.70.0300.07720.40
5.5.350.0230.08320.35
5.5.340.0030.09017.95
5.5.330.0070.06720.41
5.5.320.0330.07320.28
5.5.310.0130.04720.41
5.5.300.0000.04018.01
5.5.290.0070.07317.95
5.5.280.0000.04720.77
5.5.270.0100.08720.80
5.5.260.0100.08020.89
5.5.250.0030.04320.78
5.5.240.0100.03720.07
5.4.450.0300.05719.64
5.4.440.0330.06319.17
5.4.430.0600.06019.58
5.4.420.1370.07019.18
5.4.410.0170.05018.68
5.4.400.1470.05018.89
5.4.390.0770.06718.72
5.4.380.0230.05018.76
5.4.370.0100.07018.52
5.4.360.0330.03718.82
5.4.350.0100.03912.02
5.4.340.0070.04012.01
5.4.320.0060.04212.50
5.4.310.0050.03812.49
5.4.300.0100.04112.49
5.4.290.0060.04212.49
5.4.280.0070.03512.39
5.4.270.0080.04312.39
5.4.260.0040.04312.39
5.4.250.0050.03812.39
5.4.240.0070.05018.77
5.4.230.0070.04718.83
5.4.220.0130.04318.83
5.4.210.0070.05018.96
5.4.200.0100.04718.98
5.4.190.0070.05318.63
5.4.180.0100.05018.92
5.4.170.0070.05318.83
5.4.160.0170.04718.89
5.4.150.0130.05018.95
5.4.140.0100.04716.34
5.4.130.0100.04316.43
5.4.120.0070.04716.27
5.4.110.0100.05016.30
5.4.100.0100.04316.61
5.4.90.0130.04316.44
5.4.80.0130.04016.29
5.4.70.0070.05016.65
5.4.60.0070.06016.36
5.4.50.0030.05316.44
5.4.40.0200.03716.50
5.4.30.0130.04316.43
5.4.20.0100.04316.42
5.4.10.0130.04716.47
5.4.00.0000.05315.72
5.3.290.0060.04212.80
5.3.280.0070.04714.76
5.3.270.0030.05714.43
5.3.260.0030.05314.58
5.3.250.0130.05314.58
5.3.240.0100.05014.74
5.3.230.0070.05014.65
5.3.220.0070.05314.57
5.3.210.0070.05014.73
5.3.200.0070.05314.56
5.3.190.0030.05314.77
5.3.180.0070.05014.71
5.3.170.0130.04314.62
5.3.160.0030.05314.64
5.3.150.0070.05014.52
5.3.140.0100.06314.52
5.3.130.0030.06014.69
5.3.120.0170.04714.51
5.3.110.0030.05314.68
5.3.100.0070.05014.02
5.3.90.0070.06714.01
5.3.80.0030.05313.93
5.3.70.0100.04714.09
5.3.60.0130.04313.99
5.3.50.0200.04013.91
5.3.40.0070.04713.94
5.3.30.0100.07313.90
5.3.20.0100.06313.67
5.3.10.0130.07013.61
5.3.00.0170.06313.54
5.2.170.0030.04310.98
5.2.160.0070.03711.22
5.2.150.0030.04311.30
5.2.140.0100.04311.19
5.2.130.0130.05011.10
5.2.120.0100.05311.18
5.2.110.0100.03711.07
5.2.100.0100.03711.07
5.2.90.0070.03711.25
5.2.80.0070.03711.16
5.2.70.0070.04011.26
5.2.60.0030.04311.01
5.2.50.0030.04311.18
5.2.40.0000.04311.07
5.2.30.0070.04010.98
5.2.20.0100.03710.97
5.2.10.0070.03710.82
5.2.00.0070.05010.70
5.1.60.0130.03010.05
5.1.50.0000.0409.91
5.1.40.0100.02710.06
5.1.30.0070.04710.15
5.1.20.0100.03010.57
5.1.10.0170.02710.03
5.1.00.0030.0339.90
5.0.50.0070.0238.49
5.0.40.0030.0278.60
5.0.30.0030.0438.13
5.0.20.0100.0338.27
5.0.10.0000.0308.25
5.0.00.0100.0378.35
4.4.90.0070.0176.52
4.4.80.0100.0136.52
4.4.70.0000.0306.52
4.4.60.0070.0206.52
4.4.50.0030.0206.52
4.4.40.0000.0376.52
4.4.30.0030.0206.52
4.4.20.0000.0236.52
4.4.10.0030.0206.52
4.4.00.0130.0236.52
4.3.110.0000.0236.52
4.3.100.0100.0136.52
4.3.90.0070.0276.52
4.3.80.0000.0376.52
4.3.70.0030.0176.52
4.3.60.0000.0236.52
4.3.50.0070.0176.52
4.3.40.0070.0376.52
4.3.30.0000.0236.52
4.3.20.0030.0236.52
4.3.10.0070.0176.52
4.3.00.0100.0176.88

preferences:
43.53 ms | 401 KiB | 5 Q