3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a = ''; protected $b = ''; private $c = ''; } class B { public $a = ''; protected $b = ''; private $c = ''; } var_dump(md5(serialize(new A())) === md5(serialize(new 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)
8.3.40.0100.00718.44
8.3.30.0100.00318.57
8.3.20.0030.00518.61
8.3.10.0060.00320.45
8.3.00.0080.00019.26
8.2.170.0120.00922.96
8.2.160.0130.00318.84
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0030.01026.16
8.2.120.0000.00820.45
8.2.110.0030.00621.18
8.2.100.0090.00317.59
8.2.90.0030.00617.78
8.2.80.0040.00419.21
8.2.70.0060.00317.50
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0040.00418.09
8.2.30.0030.00517.95
8.2.20.0060.00317.41
8.2.10.0030.00617.44
8.2.00.0040.00417.46
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0090.00022.36
8.1.230.0040.00721.03
8.1.220.0040.00417.74
8.1.210.0040.00418.85
8.1.200.0090.00017.10
8.1.190.0000.00717.27
8.1.180.0040.00418.10
8.1.170.0030.00818.93
8.1.160.0070.00018.77
8.1.150.0040.00418.50
8.1.140.0040.00417.33
8.1.130.0000.00717.71
8.1.120.0030.00317.33
8.1.110.0050.00217.31
8.1.100.0000.00717.34
8.1.90.0040.00417.22
8.1.80.0030.00317.25
8.1.70.0000.00717.33
8.1.60.0040.00417.40
8.1.50.0000.00817.20
8.1.40.0000.00717.39
8.1.30.0060.00317.37
8.1.20.0040.00417.48
8.1.10.0000.00717.39
8.1.00.0040.00417.41
8.0.300.0000.00819.90
8.0.290.0000.00916.75
8.0.280.0000.00818.43
8.0.270.0070.00017.20
8.0.260.0040.00416.67
8.0.250.0040.00416.79
8.0.240.0070.00016.93
8.0.230.0000.00716.82
8.0.220.0000.00716.81
8.0.210.0070.00016.75
8.0.200.0060.00016.70
8.0.190.0070.00016.83
8.0.180.0040.00316.68
8.0.170.0050.00316.73
8.0.160.0050.00216.68
8.0.150.0040.00416.76
8.0.140.0080.00016.62
8.0.130.0050.00013.22
8.0.120.0050.00216.73
8.0.110.0070.00016.71
8.0.100.0040.00416.76
8.0.90.0050.00216.76
8.0.80.0080.00816.72
8.0.70.0070.00016.87
8.0.60.0050.00216.77
8.0.50.0050.00316.65
8.0.30.0170.00317.15
8.0.20.0090.00917.05
8.0.10.0000.00716.83
8.0.00.0080.01016.64
7.4.330.0000.00412.85
7.4.320.0000.00916.40
7.4.300.0030.00316.48
7.4.290.0000.00716.44
7.4.280.0080.00016.52
7.4.270.0000.00616.43
7.4.260.0000.00513.19
7.4.250.0000.00916.56
7.4.240.0000.00716.54
7.4.230.0060.00016.32
7.4.220.0160.00916.35
7.4.210.0070.00816.42
7.4.200.0030.00316.25
7.4.190.0000.00716.50
7.4.160.0070.01416.28
7.4.150.0090.00916.45
7.4.140.0090.00916.34
7.4.130.0070.01416.51
7.4.120.0180.00316.40
7.4.110.0070.01716.17
7.4.100.0090.01116.33
7.4.90.0100.00716.14
7.4.80.0080.01516.67
7.4.70.0130.00816.30
7.4.60.0130.00316.44
7.4.50.0030.00316.08
7.4.40.0070.01116.15
7.4.30.0130.00316.39
7.4.00.0070.00714.68
7.3.330.0030.00313.23
7.3.320.0050.00013.07
7.3.310.0050.00216.13
7.3.300.0000.00716.09
7.3.290.0110.00416.25
7.3.280.0060.01316.19
7.3.270.0130.00316.58
7.3.260.0120.00616.55
7.3.250.0140.00616.23
7.3.240.0030.01716.45
7.3.230.0100.01016.27
7.3.210.0100.00616.12
7.3.200.0070.01019.39
7.3.190.0090.01216.45
7.3.180.0110.00616.43
7.3.170.0090.00616.16
7.3.160.0090.00616.21
7.3.120.0070.00714.93
7.2.330.0100.01016.23
7.2.320.0060.01216.34
7.2.310.0130.01016.38
7.2.300.0050.01316.58
7.2.290.0080.00816.64
7.2.00.0030.00919.08
7.1.100.0070.00718.16
7.1.70.0030.00717.04
7.1.60.0110.00017.13
7.1.50.0030.00916.54
7.1.00.0100.04322.57
7.0.200.0000.01516.67
7.0.140.0130.06321.97
7.0.120.0030.07722.06
7.0.60.0100.05320.04
7.0.50.0100.06717.84
7.0.40.0000.04720.18
7.0.30.0270.06720.30
7.0.20.0230.05320.26
7.0.10.0230.07320.22
7.0.00.0100.08720.24
5.6.280.0030.07321.11
5.6.210.0100.08320.59
5.6.200.0100.07318.30
5.6.190.0070.08320.46
5.6.180.0430.05720.65
5.6.170.0470.05720.52
5.6.160.0030.09020.57
5.6.150.0170.07318.12
5.6.140.0100.06318.18
5.6.130.0030.04018.15
5.6.120.0100.04021.01
5.6.110.0100.08321.04
5.6.100.0070.04720.98
5.6.90.0100.08320.88
5.6.80.0100.07020.51
5.6.70.0270.07320.39
5.5.350.0230.03720.30
5.5.340.0000.06318.09
5.5.330.0030.05020.57
5.5.320.0270.05720.16
5.5.310.0200.08320.34
5.5.300.0230.06317.97
5.5.290.0100.04717.91
5.5.280.0030.04320.68
5.5.270.0100.05720.76
5.5.260.0030.08720.73
5.5.250.0170.07720.61
5.5.240.0030.08720.04
5.4.450.0070.08319.33
5.4.440.0100.06719.48
5.4.430.0070.05719.16
5.4.420.0030.04319.48
5.4.410.0170.03719.34
5.4.400.0070.03718.85
5.4.390.0070.06319.24
5.4.380.0070.06719.01
5.4.370.0000.08019.15
5.4.360.0070.05318.88
5.4.350.0100.07319.12
5.4.340.0070.04719.02
5.4.320.0030.05018.86
5.4.310.0100.07319.13
5.4.300.0000.04319.07
5.4.290.0070.08019.07
5.4.280.0030.08019.11
5.4.270.0030.06718.88
5.4.260.0030.04319.00
5.4.250.0030.07018.86
5.4.240.0070.05019.15
5.4.230.0030.03719.13
5.4.220.0070.03319.20
5.4.210.0070.03319.24
5.4.200.0030.03719.23
5.4.190.0130.02719.14
5.4.180.0030.04019.20
5.4.170.0030.03719.13
5.4.160.0030.04318.93
5.4.150.0000.04018.85
5.4.140.0070.03016.43
5.4.130.0000.04316.59
5.4.120.0000.03716.47
5.4.110.0070.03016.43
5.4.100.0070.03316.48
5.4.90.0030.03316.44
5.4.80.0030.03316.51
5.4.70.0030.03316.37
5.4.60.0030.03316.28
5.4.50.0000.03716.43
5.4.40.0070.03716.51
5.4.30.0000.03716.27
5.4.20.0170.02716.50
5.4.10.0000.03716.46
5.4.00.0000.04315.85
5.3.290.0070.04714.69
5.3.280.0000.04314.58
5.3.270.0000.04714.63
5.3.260.0000.04314.75
5.3.250.0030.04014.66
5.3.240.0030.04014.60
5.3.230.0070.03314.61
5.3.220.0030.03714.61
5.3.210.0030.03714.64
5.3.200.0030.03714.49
5.3.190.0070.03314.72
5.3.180.0030.03714.62
5.3.170.0000.03714.48
5.3.160.0070.03714.59
5.3.150.0030.05014.55
5.3.140.0070.03314.56
5.3.130.0030.04314.50
5.3.120.0070.03714.70
5.3.110.0030.03714.43
5.3.100.0000.04314.04
5.3.90.0070.04014.07
5.3.80.0000.03714.02
5.3.70.0000.03713.96
5.3.60.0000.03714.00
5.3.50.0030.03714.00
5.3.40.0030.03713.83
5.3.30.0000.03713.79
5.3.20.0070.07313.84
5.3.10.0100.05313.69
5.3.00.0000.04013.63
5.2.170.0030.02711.15
5.2.160.0000.03011.18
5.2.150.0000.03011.06
5.2.140.0000.04311.18
5.2.130.0070.02711.16
5.2.120.0030.04311.15
5.2.110.0030.06711.09
5.2.100.0000.05711.07
5.2.90.0000.05011.13
5.2.80.0030.06311.16
5.2.70.0070.05011.10
5.2.60.0100.02710.96
5.2.50.0030.04311.06
5.2.40.0070.06310.91
5.2.30.0070.06011.02
5.2.20.0030.05011.00
5.2.10.0100.03010.86
5.2.00.0030.05010.71
5.1.60.0070.05310.01
5.1.50.0070.02710.14
5.1.40.0030.04010.02
5.1.30.0030.03710.48
5.1.20.0030.04010.38
5.1.10.0070.05710.22
5.1.00.0030.03010.09
5.0.50.0070.0238.59
5.0.40.0070.0408.41
5.0.30.0030.0638.21
5.0.20.0000.0408.21
5.0.10.0030.0278.22
5.0.00.0000.0438.21
4.4.90.0000.0308.21
4.4.80.0000.0408.21
4.4.70.0000.0408.21
4.4.60.0000.0308.21
4.4.50.0070.0178.21
4.4.40.0030.0408.21
4.4.30.0030.0308.21
4.4.20.0030.0378.21
4.4.10.0000.0278.21
4.4.00.0000.0578.21
4.3.110.0030.0178.21
4.3.100.0030.0278.21
4.3.90.0000.0278.21
4.3.80.0030.0478.21
4.3.70.0030.0238.21
4.3.60.0000.0408.21
4.3.50.0000.0308.21
4.3.40.0000.0438.21
4.3.30.0030.0178.21
4.3.20.0000.0308.21
4.3.10.0030.0138.21
4.3.00.0030.0138.21

preferences:
49.38 ms | 400 KiB | 5 Q