3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; public $baz = null; } $foo = new Foo(); var_dump(isset($foo->bar), $foo->bar); var_dump(isset($foo->baz), $foo->baz); var_dump(isset($foo->biz), $foo->biz);

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)
8.5.30.0110.00617.57
8.5.20.0070.00920.18
8.5.10.0070.01020.04
8.5.00.0160.00420.05
8.4.180.0130.00725.61
8.4.170.0150.00723.93
8.4.160.0100.01223.93
8.4.150.0090.00417.82
8.4.140.0130.00817.75
8.4.130.0120.00517.84
8.4.120.0100.00922.48
8.4.110.0050.00519.01
8.4.100.0130.00818.03
8.4.90.0090.01220.77
8.4.80.0090.01218.80
8.4.70.0160.00318.88
8.4.60.0060.01118.99
8.4.50.0100.00618.85
8.4.40.0130.00720.47
8.4.30.0150.00617.65
8.4.20.0000.00917.61
8.4.10.0130.01017.68
8.3.300.0090.01122.68
8.3.290.0130.00718.31
8.3.280.0090.00316.25
8.3.270.0120.00616.55
8.3.260.0030.00616.59
8.3.250.0120.00918.68
8.3.240.0140.00516.59
8.3.230.0150.00416.79
8.3.220.0080.01019.11
8.3.210.0130.00516.80
8.3.200.0040.00416.60
8.3.190.0040.00418.84
8.3.180.0100.00818.70
8.3.170.0040.01118.66
8.3.160.0090.00919.09
8.3.150.0090.00617.01
8.3.140.0070.00716.66
8.3.130.0090.00018.71
8.3.120.0040.00418.66
8.3.110.0090.00020.94
8.3.100.0030.00624.06
8.3.90.0080.00826.77
8.3.80.0090.00018.56
8.3.70.0140.00316.75
8.3.60.0110.00716.75
8.3.50.0120.01022.09
8.3.40.0120.00318.58
8.3.30.0110.00418.51
8.3.20.0050.00318.70
8.3.10.0040.00421.73
8.3.00.0040.00420.77
8.2.300.0120.00717.88
8.2.290.0040.00518.93
8.2.280.0060.00618.76
8.2.270.0070.01118.54
8.2.260.0060.00316.61
8.2.250.0000.00818.61
8.2.240.0030.00617.27
8.2.230.0090.00622.58
8.2.220.0040.01137.54
8.2.210.0040.00426.77
8.2.200.0060.00318.29
8.2.190.0070.01118.29
8.2.180.0070.00716.46
8.2.170.0000.01422.96
8.2.160.0080.00819.16
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00721.11
8.2.110.0060.00320.97
8.2.100.0040.00817.75
8.2.90.0040.00419.21
8.2.80.0000.00817.97
8.2.70.0090.00017.50
8.2.60.0050.00317.93
8.2.50.0080.00018.10
8.2.40.0000.00820.58
8.2.30.0040.00420.51
8.2.20.0000.00817.50
8.2.10.0000.00717.87
8.2.00.0000.00717.93
8.1.340.0120.00717.57
8.1.330.0140.00516.18
8.1.320.0090.00617.89
8.1.310.0050.00321.88
8.1.300.0040.00418.29
8.1.290.0080.00018.88
8.1.280.0140.00725.92
8.1.270.0060.00323.96
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00621.98
8.1.230.0080.00319.01
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0030.00518.61
8.1.160.0040.00420.89
8.1.150.0040.00418.78
8.1.140.0040.00419.43
8.1.130.0040.00417.70
8.1.120.0070.00017.30
8.1.110.0070.00017.32
8.1.100.0050.00217.39
8.1.90.0050.00217.44
8.1.80.0000.00717.43
8.1.70.0040.00417.20
8.1.60.0040.00417.54
8.1.50.0030.00517.44
8.1.40.0030.00517.46
8.1.30.0060.00317.62
8.1.20.0040.00417.48
8.1.10.0050.00317.50
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0000.00916.75
8.0.280.0030.00618.38
8.0.270.0000.00716.90
8.0.260.0030.00317.07
8.0.250.0040.00416.98
8.0.240.0000.00716.94
8.0.230.0040.00416.96
8.0.220.0000.00716.90
8.0.210.0040.00416.82
8.0.200.0070.00016.90
8.0.190.0040.00416.94
8.0.180.0000.00716.90
8.0.170.0040.00416.76
8.0.160.0030.00616.79
8.0.150.0000.00716.75
8.0.140.0000.00716.78
8.0.130.0030.00313.36
8.0.120.0000.00916.84
8.0.110.0040.00416.80
8.0.100.0070.00016.83
8.0.90.0040.00417.01
8.0.80.0040.01416.84
8.0.70.0040.00416.95
8.0.60.0040.00416.71
8.0.50.0000.00716.94
8.0.30.0100.01017.03
8.0.20.0090.01217.40
8.0.10.0070.00017.05
8.0.00.0100.01116.78
7.4.330.0020.00215.08
7.4.320.0060.00016.45
7.4.300.0030.00616.40
7.4.290.0000.00716.39
7.4.280.0070.00016.54
7.4.270.0000.00616.58
7.4.260.0070.00016.50
7.4.250.0040.00416.45
7.4.240.0030.00316.43
7.4.230.0000.00716.62
7.4.220.0160.01016.65
7.4.210.0140.00016.55
7.4.200.0070.00016.62
7.4.160.0080.00816.46
7.4.150.0180.00017.40
7.4.140.0090.01217.86
7.4.130.0080.01016.41
7.4.120.0090.01316.38
7.4.110.0100.01016.37
7.4.100.0030.01416.41
7.4.90.0070.01016.48
7.4.80.0100.00719.39
7.4.70.0080.00816.49
7.4.60.0070.01016.49
7.4.50.0110.00316.50
7.4.40.0080.01116.37
7.4.30.0080.01216.49
7.4.00.0080.00315.07
7.3.330.0000.00513.27
7.3.320.0060.00013.27
7.3.310.0070.00016.25
7.3.300.0040.00416.20
7.3.290.0080.01216.24
7.3.280.0060.01116.18
7.3.270.0090.00917.40
7.3.260.0110.01116.32
7.3.250.0120.00816.30
7.3.240.0130.00316.29
7.3.230.0160.00016.53
7.3.210.0060.00916.32
7.3.200.0100.00616.39
7.3.190.0100.00616.27
7.3.180.0120.00316.16
7.3.170.0150.00616.28
7.3.160.0080.00816.50
7.3.120.0100.01014.67
7.3.110.0060.01214.62
7.3.100.0060.01314.81
7.3.90.0120.00314.70
7.3.80.0000.01314.48
7.3.70.0040.00714.84
7.3.60.0060.00314.71
7.3.50.0030.00714.82
7.3.40.0070.00414.80
7.3.30.0060.01214.44
7.3.20.0040.01216.65
7.3.10.0100.00316.56
7.3.00.0050.00716.54
7.2.330.0060.01216.76
7.2.320.0100.01316.77
7.2.310.0030.01416.76
7.2.300.0120.00616.72
7.2.290.0040.01816.71
7.2.250.0040.01515.21
7.2.240.0070.01414.79
7.2.230.0060.01214.94
7.2.220.0060.00914.77
7.2.210.0030.01215.02
7.2.200.0070.00714.84
7.2.190.0100.00315.05
7.2.180.0000.00914.99
7.2.170.0060.00614.93
7.2.130.0040.01117.00
7.2.120.0090.00616.72
7.2.110.0040.00816.83
7.2.100.0100.00316.83
7.2.90.0110.00417.05
7.2.80.0000.01316.69
7.2.70.0060.00616.80
7.2.60.0050.00616.83
7.2.50.0070.00316.85
7.2.40.0080.00816.71
7.2.30.0030.01316.44
7.2.20.0030.00616.92
7.2.10.0030.01016.87
7.2.00.0050.00617.94
7.1.330.0080.00415.73
7.1.320.0030.00715.78
7.1.310.0030.00615.63
7.1.300.0060.00615.85
7.1.290.0030.01315.62
7.1.280.0030.01215.71
7.1.270.0050.00815.67
7.1.260.0000.01015.81
7.1.250.0030.00615.64
7.1.200.0100.00315.67
7.1.100.0030.00618.15
7.1.70.0000.01016.80
7.1.60.0030.00920.41
7.1.00.0100.07022.28
7.0.200.0150.00414.71
7.0.60.0070.05021.71
7.0.50.0130.03717.91
7.0.40.0300.04720.19
7.0.30.0200.06020.39
7.0.20.0130.08320.30
7.0.10.0200.06020.23
7.0.00.0100.07020.31
5.6.280.0100.06721.02
5.6.210.0170.07320.50
5.6.200.0000.05018.14
5.6.190.0200.06320.70
5.6.180.0030.06720.44
5.6.170.0130.06720.46
5.6.160.0230.05720.69
5.6.150.0130.06720.43
5.6.140.0070.07020.34
5.6.130.0170.05720.41
5.6.120.0070.07020.32
5.6.110.0070.06020.45
5.6.100.0200.06020.38
5.6.90.0200.06020.35
5.6.80.0200.05719.69
5.6.70.0070.07019.79
5.6.60.0100.06319.65
5.6.50.0170.05319.83
5.6.40.0270.04719.80
5.6.30.0100.06319.77
5.6.20.0200.05019.79
5.6.10.0230.04719.95
5.6.00.0200.05319.71
5.5.350.0200.04720.48
5.5.340.0100.06317.97
5.5.330.0170.06020.18
5.5.320.0130.06320.26
5.5.310.0230.06020.35
5.5.300.0270.08020.12
5.5.290.0330.04720.21
5.5.280.0230.07020.20
5.5.270.0070.06720.16
5.5.260.0270.06320.19
5.5.250.0230.05019.98
5.5.240.0170.05719.46
5.5.230.0130.06019.54
5.5.220.0170.05719.38
5.5.210.0170.05319.57
5.5.200.0170.05719.47
5.5.190.0030.06719.36
5.5.180.0100.06019.74
5.5.160.0300.06319.48
5.5.150.0200.07019.57
5.5.140.0100.06019.56
5.5.130.0270.04319.74
5.5.120.0200.05319.50
5.5.110.0170.06019.50
5.5.100.0100.06019.43
5.5.90.0200.05019.36
5.5.80.0130.06319.46
5.5.70.0300.04719.45
5.5.60.0170.06719.37
5.5.50.0200.05719.49
5.5.40.0230.06719.36
5.5.30.0200.05719.36
5.5.20.0200.05319.44
5.5.10.0200.05719.62
5.5.00.0330.05319.45

preferences:
47.96 ms | 1821 KiB | 5 Q