3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} $a = null; $f = new Foo($a = 123); var_dump($a); // NULL

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)
8.3.60.0150.00018.30
8.3.50.0080.00721.14
8.3.40.0040.01118.73
8.3.30.0000.01820.34
8.3.20.0040.00420.34
8.3.10.0040.00422.07
8.3.00.0040.00422.38
8.2.180.0120.00316.38
8.2.170.0070.01122.96
8.2.160.0100.00322.25
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00017.63
8.2.110.0080.00022.30
8.2.100.0060.00617.78
8.2.90.0060.00319.03
8.2.80.0000.00719.16
8.2.70.0080.00017.50
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0000.00818.22
8.2.30.0080.00317.95
8.2.20.0030.00617.59
8.2.10.0040.00417.55
8.2.00.0040.00417.54
8.1.280.0040.01125.92
8.1.270.0040.00422.07
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0060.00323.91
8.1.230.0040.00719.15
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.22
8.1.190.0050.00217.39
8.1.180.0030.00619.01
8.1.170.0080.00018.49
8.1.160.0000.00720.83
8.1.150.0000.00718.61
8.1.140.0040.00417.37
8.1.130.0000.00717.82
8.1.120.0040.00417.43
8.1.110.0000.00817.37
8.1.100.0000.00717.39
8.1.90.0000.00817.41
8.1.80.0030.00317.28
8.1.70.0070.00017.29
8.1.60.0060.00317.49
8.1.50.0040.00417.46
8.1.40.0080.00017.46
8.1.30.0080.00017.61
8.1.20.0060.00317.57
8.1.10.0050.00317.46
8.1.00.0000.00717.42
8.0.300.0000.00718.77
8.0.290.0070.00017.18
8.0.280.0000.00718.37
8.0.270.0030.00317.18
8.0.260.0030.00316.80
8.0.250.0000.00716.74
8.0.240.0060.00316.71
8.0.230.0080.00016.89
8.0.220.0000.00716.79
8.0.210.0030.00316.86
8.0.200.0000.00716.88
8.0.190.0040.00416.86
8.0.180.0030.00316.82
8.0.170.0040.00416.82
8.0.160.0040.00416.82
8.0.150.0030.00616.83
8.0.140.0000.00716.80
8.0.130.0030.00313.21
8.0.120.0040.00416.72
8.0.110.0070.00016.73
8.0.100.0000.00716.69
8.0.90.0030.00516.69
8.0.80.0040.01216.81
8.0.70.0030.00316.86
8.0.60.0050.00216.81
8.0.50.0000.00716.71
8.0.30.0100.00917.04
8.0.20.0080.01217.40
8.0.10.0000.00716.93
8.0.00.0130.00616.73
7.4.330.0030.00315.00
7.4.320.0040.00416.42
7.4.300.0000.00616.57
7.4.290.0030.00616.54
7.4.280.0030.00316.34
7.4.270.0070.00016.55
7.4.260.0000.00613.23
7.4.250.0070.00016.34
7.4.240.0020.00516.43
7.4.230.0000.00716.58
7.4.220.0070.01116.64
7.4.210.0070.00916.48
7.4.200.0030.00316.50
7.4.190.0000.00716.38
7.4.160.0120.00416.54
7.4.150.0080.00817.40
7.4.140.0110.00817.86
7.4.130.0160.00616.26
7.4.120.0110.00816.49
7.4.110.0100.01016.46
7.4.100.0120.00616.28
7.4.90.0060.01216.41
7.4.80.0230.00019.39
7.4.70.0080.00816.43
7.4.60.0130.00316.24
7.4.50.0040.00416.19
7.4.40.0080.00822.77
7.4.30.0090.00916.42
7.4.00.0070.00714.80
7.3.330.0060.00013.19
7.3.320.0030.00313.04
7.3.310.0030.00316.01
7.3.300.0000.00716.21
7.3.290.0030.01116.18
7.3.280.0050.01316.19
7.3.270.0040.01317.40
7.3.260.0100.00616.39
7.3.250.0110.00616.12
7.3.240.0070.01016.38
7.3.230.0060.01616.39
7.3.210.0130.01016.11
7.3.200.0080.01819.39
7.3.190.0100.00716.09
7.3.180.0090.00616.57
7.3.170.0140.00716.27
7.3.160.0130.00316.20
7.3.120.0060.00914.73
7.2.330.0110.01116.34
7.2.320.0080.00916.73
7.2.310.0070.01416.62
7.2.300.0030.01316.27
7.2.290.0120.00616.71
7.2.60.0040.01116.59
7.2.00.0140.00719.54
7.1.200.0130.00315.59
7.1.100.0060.00618.14
7.1.70.0000.01517.07
7.1.60.0040.02119.32
7.1.50.0070.01416.76
7.1.00.0000.04322.30
7.0.200.0130.00614.35
7.0.140.0030.07321.95
7.0.110.0570.07719.91
7.0.100.0070.04020.04
7.0.90.0030.05320.08
7.0.80.0070.04020.07
7.0.70.0070.06720.01
7.0.60.0270.07319.66
7.0.50.0430.04319.83
7.0.40.0070.03719.84
7.0.30.0070.04319.85
7.0.20.0030.04019.83
7.0.10.0230.02319.88
7.0.00.0070.03719.82
5.6.280.0030.07321.07
5.6.260.0070.03720.69
5.6.250.0070.07720.59
5.6.240.0170.07320.56
5.6.230.0130.07020.56
5.6.220.0070.07020.69
5.6.210.0100.08020.61
5.6.200.0070.08020.86
5.6.190.0030.07720.62
5.6.180.0070.05320.69
5.6.170.0100.04720.55
5.6.160.0070.05020.64
5.6.150.0100.06020.65
5.6.140.0070.04720.51
5.6.130.0070.04020.64
5.6.120.0030.08720.56
5.6.110.0100.03720.62
5.6.100.0100.05320.55
5.6.90.0030.04720.83
5.6.80.0130.07719.95
5.6.70.0070.04320.05
5.6.60.0000.06719.84
5.6.50.0070.08320.06
5.6.40.0100.06320.01
5.6.30.0070.07320.06
5.6.20.0100.07720.21
5.6.10.0000.07320.20
5.6.00.0070.08319.94
5.5.380.0070.07717.56
5.5.370.0070.03717.56
5.5.360.0030.06017.45
5.5.350.0070.07717.53
5.5.340.0000.08317.91
5.5.330.0000.05318.14
5.5.320.0100.05018.10
5.5.310.0070.03717.91
5.5.300.0000.04318.07
5.5.290.0030.05718.25
5.5.280.0100.07718.25
5.5.270.0100.07717.92
5.5.260.0070.08018.09
5.5.250.0030.03717.72
5.5.240.0070.05717.48
5.5.230.0100.05017.46
5.5.220.0070.03717.28
5.5.210.0070.04317.50
5.5.200.0100.06317.49
5.5.190.0030.06717.28
5.5.180.0070.08017.48
5.5.160.0070.03317.58
5.5.150.0030.07017.26
5.5.140.0030.08017.49
5.5.130.0070.06017.27
5.5.120.0070.03717.57
5.5.110.0030.04717.27
5.5.100.0030.05717.18
5.5.90.0030.05317.38
5.5.80.0070.03717.16
5.5.70.0000.04317.33
5.5.60.0100.07017.14
5.5.50.0000.08317.34
5.5.40.0070.06017.16
5.5.30.0130.06717.37
5.5.20.0100.05717.19
5.5.10.0070.06317.13
5.5.00.0000.06017.45
5.4.450.0070.03719.51
5.4.440.0130.05719.46
5.4.430.0000.04319.66
5.4.420.0130.05019.32
5.4.410.0030.06019.29
5.4.400.0030.07019.16
5.4.390.0100.04718.99
5.4.380.0070.03719.25
5.4.370.0070.07718.99
5.4.360.0070.04019.04
5.4.350.0070.06319.04
5.4.340.0000.05019.18
5.4.320.0100.06319.09
5.4.310.0130.07019.09
5.4.300.0070.05319.00
5.4.290.0070.07319.14
5.4.280.0000.04319.33
5.4.270.0100.06019.23
5.4.260.0030.04019.01
5.4.250.0030.05319.31
5.4.240.0100.06019.13
5.4.230.0000.08019.21
5.4.220.0000.04719.32
5.4.210.0000.04319.31
5.4.200.0070.03319.00
5.4.190.0100.07719.30
5.4.180.0130.03719.23
5.4.170.0070.06719.33
5.4.160.0130.03319.30
5.4.150.0000.04018.93
5.4.140.0000.07016.55
5.4.130.0000.07316.37
5.4.120.0030.04716.31
5.4.110.0030.05016.46
5.4.100.0000.04716.36
5.4.90.0030.06716.31
5.4.80.0030.07716.39
5.4.70.0000.07016.53
5.4.60.0070.03016.45
5.4.50.0070.03316.44
5.4.40.0030.06716.68
5.4.30.0100.03016.33
5.4.20.0200.07016.54
5.4.10.0000.08016.47
5.4.00.0130.06715.88
5.3.290.0030.08314.68
5.3.280.0130.06014.58
5.3.270.0000.03714.82
5.3.260.0030.07314.61
5.3.250.0030.07014.72
5.3.240.0030.07714.61
5.3.230.0100.04714.58
5.3.220.0030.03714.58
5.3.210.0030.04014.41
5.3.200.0070.04314.59
5.3.190.0000.07014.79
5.3.180.0030.04014.57
5.3.170.0100.06014.78
5.3.160.0070.07014.55
5.3.150.0070.07314.51
5.3.140.0030.07714.41
5.3.130.0030.07714.54
5.3.120.0030.03714.66
5.3.110.0100.03014.52
5.3.100.0130.02314.01
5.3.90.0130.04014.05
5.3.80.0070.03314.10
5.3.70.0030.03714.00
5.3.60.0070.07313.97
5.3.50.0070.07314.08
5.3.40.0030.07013.89
5.3.30.0030.02713.96
5.3.20.0070.06013.74
5.3.10.0200.05313.61
5.3.00.0030.04013.64
5.2.170.0030.06311.91
5.2.160.0100.05711.91
5.2.150.0200.04711.91
5.2.140.0070.04011.91
5.2.130.0030.02711.91
5.2.120.0030.06011.91
5.2.110.0070.05311.91
5.2.100.0000.03011.91
5.2.90.0000.05011.91
5.2.80.0070.03311.91
5.2.70.0000.03011.91
5.2.60.0070.05011.91
5.2.50.0000.03011.91
5.2.40.0030.06011.91
5.2.30.0100.05311.91
5.2.20.0070.05311.91
5.2.10.0070.06011.91
5.2.00.0000.03011.91
5.1.60.0000.05311.91
5.1.50.0030.04011.91
5.1.40.0000.05011.91
5.1.30.0030.03011.91
5.1.20.0030.04311.91
5.1.10.0100.05311.91
5.1.00.0070.03311.91
5.0.50.0000.02311.91
5.0.40.0030.02011.91
5.0.30.0030.03311.91
5.0.20.0000.02011.91
5.0.10.0030.02011.91
5.0.00.0000.03011.91
4.4.90.0000.02711.91
4.4.80.0000.01711.91
4.4.70.0000.01711.91
4.4.60.0000.01711.91
4.4.50.0070.01011.91
4.4.40.0000.05311.91
4.4.30.0100.02311.91
4.4.20.0000.04011.91
4.4.10.0000.02011.91
4.4.00.0000.03311.91
4.3.110.0030.02011.91
4.3.100.0000.01711.91
4.3.90.0000.01711.91
4.3.80.0000.02711.91
4.3.70.0070.02011.91
4.3.60.0000.02011.91
4.3.50.0000.02011.91
4.3.40.0070.04711.91
4.3.30.0030.02011.91
4.3.20.0000.02011.91
4.3.10.0000.03311.91
4.3.00.0000.01711.91

preferences:
41.51 ms | 400 KiB | 5 Q