3v4l.org

run code in 300+ PHP versions simultaneously
<?php class DataStruct{ public $first = 'Test'; public $second = 12; public $third = false; public $forth = '0xa'; public $fifth = null; } $obj = new DataStruct(); $data = array_keys((array) $obj,0); print_r($data);

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)
8.3.60.0190.00316.75
8.3.50.0130.00717.37
8.3.40.0090.00618.54
8.3.30.0110.01118.45
8.3.20.0130.00718.49
8.3.10.0090.00020.45
8.3.00.0030.00619.26
8.2.180.0100.00716.63
8.2.170.0070.01422.96
8.2.160.0120.00921.09
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0030.00526.16
8.2.120.0040.00420.75
8.2.110.0070.00419.30
8.2.100.0110.00017.72
8.2.90.0030.00619.21
8.2.80.0050.00319.38
8.2.70.0040.00417.38
8.2.60.0060.00617.79
8.2.50.0000.00818.07
8.2.40.0120.00018.19
8.2.30.0100.00518.05
8.2.20.0050.00317.60
8.2.10.0040.00417.62
8.2.00.0000.00817.63
8.1.280.0090.00925.92
8.1.270.0050.00324.66
8.1.260.0160.00326.35
8.1.250.0060.00328.09
8.1.240.0000.00922.67
8.1.230.0110.00020.87
8.1.220.0000.00817.74
8.1.210.0080.00418.78
8.1.200.0070.00417.35
8.1.190.0040.00417.28
8.1.180.0050.00318.10
8.1.170.0030.00620.54
8.1.160.0000.00718.82
8.1.150.0030.00618.53
8.1.140.0040.00417.37
8.1.130.0000.00717.88
8.1.120.0030.00517.40
8.1.110.0000.00717.43
8.1.100.0030.00417.43
8.1.90.0080.00017.38
8.1.80.0080.00017.45
8.1.70.0040.00417.40
8.1.60.0030.00617.53
8.1.50.0070.00317.48
8.1.40.0030.00517.45
8.1.30.0000.00817.47
8.1.20.0000.00817.50
8.1.10.0030.00517.53
8.1.00.0000.00817.40
8.0.300.0070.00019.86
8.0.290.0000.00816.63
8.0.280.0000.00718.31
8.0.270.0030.00317.18
8.0.260.0030.00316.76
8.0.250.0000.00716.88
8.0.240.0000.00816.80
8.0.230.0070.00016.84
8.0.220.0030.00316.87
8.0.210.0030.00316.73
8.0.200.0030.00616.75
8.0.190.0070.00016.90
8.0.180.0060.00316.74
8.0.170.0000.00916.77
8.0.160.0040.00416.82
8.0.150.0040.00416.73
8.0.140.0040.00416.71
8.0.130.0030.00313.26
8.0.120.0040.00416.73
8.0.110.0070.00016.71
8.0.100.0030.00316.66
8.0.90.0060.00316.65
8.0.80.0060.00916.75
8.0.70.0000.00716.70
8.0.60.0070.00016.81
8.0.50.0000.00816.68
8.0.30.0110.01116.94
8.0.20.0090.00917.29
8.0.10.0070.00016.90
8.0.00.0100.01016.76
7.4.330.0000.00613.06
7.4.320.0060.00016.61
7.4.300.0060.00016.60
7.4.290.0050.00316.49
7.4.280.0070.00016.48
7.4.270.0030.00516.53
7.4.260.0000.00613.19
7.4.250.0050.00316.54
7.4.240.0020.00616.44
7.4.230.0000.00716.70
7.4.220.0060.00916.50
7.4.210.0060.01116.55
7.4.200.0070.00016.66
7.4.190.0000.00716.47
7.4.160.0090.00616.42
7.4.150.0140.00316.56
7.4.140.0090.00916.42
7.4.130.0080.00916.46
7.4.120.0170.00316.43
7.4.110.0130.00316.54
7.4.100.0080.00916.42
7.4.90.0040.01516.45
7.4.80.0090.00919.39
7.4.70.0060.01016.43
7.4.60.0080.00816.57
7.4.50.0040.00916.51
7.4.40.0080.00816.45
7.4.30.0100.00616.50
7.4.00.0110.00514.84
7.3.330.0070.00013.18
7.3.320.0030.00313.00
7.3.310.0040.00416.21
7.3.300.0000.00616.23
7.3.290.0080.00816.28
7.3.280.0110.00516.22
7.3.270.0160.00016.20
7.3.260.0140.00416.60
7.3.250.0090.01016.28
7.3.240.0090.01216.23
7.3.230.0130.00616.24
7.3.210.0030.01216.34
7.3.200.0080.00816.25
7.3.190.0100.00716.30
7.3.180.0080.00816.18
7.3.170.0150.00616.39
7.3.160.0090.00916.45
7.3.120.0100.00814.60
7.3.110.0090.00314.78
7.3.100.0090.00314.61
7.3.90.0070.01014.81
7.3.80.0080.00814.71
7.3.70.0030.01414.45
7.3.60.0030.01014.57
7.3.50.0070.00414.68
7.3.40.0030.01014.70
7.3.30.0000.01614.80
7.3.20.0080.00816.72
7.3.10.0060.00316.51
7.3.00.0090.00316.61
7.2.330.0150.00416.47
7.2.320.0160.00716.52
7.2.310.0070.01116.53
7.2.300.0120.00316.53
7.2.290.0030.01516.68
7.2.250.0120.00615.01
7.2.240.0000.01614.48
7.2.230.0030.01114.82
7.2.220.0030.01315.15
7.2.210.0070.01114.75
7.2.200.0060.00914.84
7.2.190.0090.00314.84
7.2.180.0040.01115.06
7.2.170.0080.00315.03
7.2.60.0060.00916.50
7.2.00.0040.01119.48
7.1.330.0110.00615.47
7.1.320.0000.01615.85
7.1.310.0070.01115.91
7.1.300.0110.00415.53
7.1.290.0030.01015.42
7.1.280.0030.01015.46
7.1.270.0000.01715.49
7.1.260.0060.00315.56
7.1.200.0080.00715.74
7.1.100.0120.00917.65
7.1.70.0070.00517.01
7.1.60.0190.00319.40
7.1.50.0160.00416.90
7.1.00.0030.03322.45
7.0.200.0000.01016.87
7.0.140.0030.07321.97
7.0.120.0070.07022.05
7.0.60.0300.06720.03
7.0.50.0170.06017.88
7.0.40.0130.07320.11
7.0.30.0100.06720.03
7.0.20.0070.04020.02
7.0.10.0030.05020.12
7.0.00.0000.05020.23
5.6.210.0070.04320.75
5.6.200.0130.03018.29
5.6.190.0030.06720.61
5.6.180.0030.09020.39
5.6.170.0030.06720.57
5.6.160.0100.06020.41
5.6.150.0100.08020.46
5.6.140.0130.07720.17
5.6.130.0070.04720.52
5.6.120.0000.04720.50
5.6.110.0070.05320.48
5.6.100.0000.05320.16
5.6.90.0170.04720.16
5.6.80.0070.06719.59
5.6.70.0030.07019.91
5.6.60.0070.08019.56
5.6.50.0130.08019.79
5.6.40.0030.05319.75
5.6.30.0030.07719.85
5.6.20.0030.04019.68
5.6.10.0030.04319.60
5.6.00.0030.04319.75
5.5.350.0000.08720.28
5.5.340.0130.07317.96
5.5.330.0070.08320.57
5.5.320.0030.08320.32
5.5.310.0070.04720.37
5.5.300.0100.04020.21
5.5.290.0130.08019.97
5.5.280.0000.04719.96
5.5.270.0100.07719.96
5.5.260.0100.04720.31
5.5.250.0070.05719.77
5.5.240.0030.08019.34
5.5.230.0070.06319.34
5.5.220.0030.08319.52
5.5.210.0070.08019.37
5.5.200.0000.05319.58
5.5.190.0030.08019.48
5.5.180.0070.08019.39
5.5.160.0070.08019.34
5.5.150.0100.07319.67
5.5.140.0130.04319.64
5.5.130.0070.06319.67
5.5.120.0070.06719.46
5.5.110.0030.06019.63
5.5.100.0000.04719.37
5.5.90.0030.04019.48
5.5.80.0030.07719.54
5.5.70.0030.04319.46
5.5.60.0070.08019.37
5.5.50.0030.06319.36
5.5.40.0030.04019.38
5.5.30.0100.03319.43
5.5.20.0100.03319.38
5.5.10.0000.04319.46
5.5.00.0030.04019.41
5.4.450.0030.07019.30
5.4.440.0100.03719.47
5.4.430.0070.04019.17
5.4.420.0030.08019.30
5.4.410.0000.08319.43
5.4.400.0100.07719.16
5.4.390.0130.07019.24
5.4.380.0100.07719.24
5.4.370.0130.06018.92
5.4.360.0030.06719.08
5.4.350.0200.03719.17
5.4.340.0070.04318.87
5.4.320.0030.06319.00
5.4.310.0130.04719.20
5.4.300.0070.04019.24
5.4.290.0070.04719.14
5.4.280.0200.06319.20
5.4.270.0030.07319.15
5.4.260.0070.06018.97
5.4.250.0030.04018.92
5.4.240.0030.06319.14
5.4.230.0100.04719.23
5.4.220.0070.07719.14
5.4.210.0070.07019.23
5.4.200.0030.03719.14
5.4.190.0000.04019.00
5.4.180.0030.03719.16
5.4.170.0030.04018.84
5.4.160.0070.04019.12
5.4.150.0000.04019.13
5.4.140.0030.03716.37
5.4.130.0000.03716.35
5.4.120.0030.03316.54
5.4.110.0030.03716.39
5.4.100.0070.05316.39
5.4.90.0100.04016.69
5.4.80.0100.04716.29
5.4.70.0000.07716.38
5.4.60.0130.04716.45
5.4.50.0030.03316.43
5.4.40.0030.03716.36
5.4.30.0030.03316.40
5.4.20.0030.03316.36
5.4.10.0000.04316.40
5.4.00.0100.03715.78
5.3.290.0070.06314.69
5.3.280.0070.07714.66
5.3.270.0070.03314.76
5.3.260.0030.04314.65
5.3.250.0100.04014.65
5.3.240.0070.03314.61
5.3.230.0100.03314.61
5.3.220.0000.03714.55
5.3.210.0070.03314.71
5.3.200.0100.03014.56
5.3.190.0030.03714.48
5.3.180.0030.04314.55
5.3.170.0030.04014.71
5.3.160.0030.04714.55
5.3.150.0030.03714.61
5.3.140.0000.04014.57
5.3.130.0070.04014.55
5.3.120.0000.04314.57
5.3.110.0030.04314.54
5.3.100.0030.03714.11
5.3.90.0000.03714.03
5.3.80.0030.03314.07
5.3.70.0000.03713.98
5.3.60.0030.03314.07
5.3.50.0130.02314.01
5.3.40.0000.04013.95
5.3.30.0000.03714.08
5.3.20.0070.03013.84
5.3.10.0070.03013.59
5.3.00.0030.03313.69
5.2.170.0000.03011.03
5.2.160.0030.03011.20
5.2.150.0030.03011.11
5.2.140.0000.03011.10
5.2.130.0030.02711.27
5.2.120.0000.03011.11
5.2.110.0000.03011.11
5.2.100.0000.03711.16
5.2.90.0000.03011.11
5.2.80.0030.02710.98
5.2.70.0000.03011.09
5.2.60.0000.03311.20
5.2.50.0030.03011.11
5.2.40.0000.03310.95
5.2.30.0000.06710.96
5.2.20.0070.06010.92
5.2.10.0100.05310.94
5.2.00.0000.06310.60
5.1.60.0030.0579.94
5.1.50.0000.0279.97
5.1.40.0030.03010.02
5.1.30.0100.03710.21
5.1.20.0000.05010.35
5.1.10.0030.02710.21
5.1.00.0000.06010.03
5.0.50.0130.0408.53
5.0.40.0000.0238.41
5.0.30.0070.0608.19
5.0.20.0030.0308.25
5.0.10.0000.0478.14
5.0.00.0000.0508.11
4.4.90.0030.0137.41
4.4.80.0000.0207.41
4.4.70.0070.0177.41
4.4.60.0100.0277.41
4.4.50.0030.0307.41
4.4.40.0000.0577.41
4.4.30.0000.0377.41
4.4.20.0030.0277.41
4.4.10.0000.0207.41
4.4.00.0000.0407.41
4.3.110.0030.0137.41
4.3.100.0100.0277.41
4.3.90.0030.0307.41
4.3.80.0000.0537.41
4.3.70.0000.0337.41
4.3.60.0070.0207.41
4.3.50.0000.0377.41
4.3.40.0000.0437.41
4.3.30.0000.0177.41
4.3.20.0000.0207.41
4.3.10.0000.0177.41
4.3.00.0070.0307.41

preferences:
48.77 ms | 400 KiB | 5 Q