3v4l.org

run code in 300+ PHP versions simultaneously
<?php class AlphaBeta {} $a = serialize(new AlphaBeta); echo $a, "\n"; $a = serialize(unserialize($a)); echo $a, "\n"; $a = serialize(unserialize('O:9:"alphabeta":0:{}')); echo $a, "\n";

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)
8.3.60.0100.01016.50
8.3.50.0100.00518.19
8.3.40.0080.00818.71
8.3.30.0100.00718.42
8.3.20.0080.00018.48
8.3.10.0090.00020.32
8.3.00.0030.00519.25
8.2.180.0100.01016.75
8.2.170.0140.00022.96
8.2.160.0070.00718.82
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00421.02
8.2.110.0130.00920.95
8.2.100.0040.00817.78
8.2.90.0070.00419.30
8.2.80.0020.00519.38
8.2.70.0080.00017.38
8.2.60.0050.00318.03
8.2.50.0030.00718.07
8.2.40.0000.00818.22
8.2.30.0000.00718.05
8.2.20.0090.00017.51
8.2.10.0040.00417.69
8.2.00.0040.00417.66
8.1.280.0140.00025.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00320.67
8.1.230.0120.00020.98
8.1.220.0000.00817.74
8.1.210.0030.00618.84
8.1.200.0040.00417.13
8.1.190.0040.00417.17
8.1.180.0040.00418.10
8.1.170.0040.00418.69
8.1.160.0030.00518.81
8.1.150.0080.00018.61
8.1.140.0000.00717.38
8.1.130.0000.00717.81
8.1.120.0030.00517.39
8.1.110.0080.00017.40
8.1.100.0000.00717.38
8.1.90.0000.00717.36
8.1.80.0030.00517.42
8.1.70.0070.00017.32
8.1.60.0040.00417.39
8.1.50.0020.00517.30
8.1.40.0030.00617.45
8.1.30.0000.00817.61
8.1.20.0040.00417.59
8.1.10.0050.00217.55
8.1.00.0080.00017.51
8.0.300.0050.00319.85
8.0.290.0060.00316.75
8.0.280.0030.00318.46
8.0.270.0000.00717.24
8.0.260.0050.00316.83
8.0.250.0000.00717.00
8.0.240.0030.00316.87
8.0.230.0000.00716.96
8.0.220.0000.00716.74
8.0.210.0050.00216.83
8.0.200.0030.00316.85
8.0.190.0050.00316.82
8.0.180.0000.00716.91
8.0.170.0040.00416.79
8.0.160.0030.00316.86
8.0.150.0050.00316.88
8.0.140.0050.00216.77
8.0.130.0000.00513.27
8.0.120.0000.00716.74
8.0.110.0000.00816.86
8.0.100.0030.00516.77
8.0.90.0050.00316.82
8.0.80.0140.00316.76
8.0.70.0040.00416.80
8.0.60.0040.00416.78
8.0.50.0030.00516.75
8.0.30.0120.00617.23
8.0.20.0120.00716.94
8.0.10.0040.00417.03
8.0.00.0090.00916.77
7.4.330.0000.00512.90
7.4.320.0000.00616.54
7.4.300.0070.00016.51
7.4.290.0070.00016.43
7.4.280.0040.00416.34
7.4.270.0000.00616.35
7.4.260.0030.00313.18
7.4.250.0040.00416.46
7.4.240.0000.00716.38
7.4.230.0000.00716.41
7.4.220.0070.01116.34
7.4.210.0130.00716.40
7.4.200.0070.00016.53
7.4.190.0030.00316.30
7.4.160.0120.00916.59
7.4.150.0160.00916.55
7.4.140.0060.01216.25
7.4.130.0120.00616.54
7.4.120.0080.00916.38
7.4.110.0080.00916.27
7.4.100.0080.00816.46
7.4.90.0090.01216.41
7.4.80.0090.01219.39
7.4.70.0120.00616.41
7.4.60.0090.00916.40
7.4.50.0020.00216.49
7.4.40.0120.00616.28
7.4.30.0000.01516.42
7.4.00.0070.01014.90
7.3.330.0030.00313.23
7.3.320.0050.00313.09
7.3.310.0030.00316.34
7.3.300.0000.00716.15
7.3.290.0070.00716.25
7.3.280.0080.00716.24
7.3.270.0070.01116.36
7.3.260.0140.00716.37
7.3.250.0130.00816.39
7.3.240.0100.00616.51
7.3.230.0130.00316.50
7.3.210.0090.00916.47
7.3.200.0160.00316.30
7.3.190.0070.01416.49
7.3.180.0090.00616.39
7.3.170.0130.00316.44
7.3.160.0100.01016.44
7.3.120.0100.00414.64
7.3.110.0160.00314.73
7.3.100.0060.00915.10
7.3.90.0040.00414.77
7.3.80.0000.01414.52
7.3.70.0030.00914.84
7.3.60.0090.00614.65
7.3.50.0070.00714.76
7.3.40.0090.00914.85
7.3.30.0100.00314.42
7.3.20.0090.00316.36
7.3.10.0080.00816.74
7.3.00.0070.00716.64
7.2.330.0030.01316.46
7.2.320.0100.01016.73
7.2.310.0060.01116.30
7.2.300.0070.01716.75
7.2.290.0060.01216.55
7.2.250.0130.00314.67
7.2.240.0060.01214.91
7.2.230.0060.00614.68
7.2.220.0000.01515.06
7.2.210.0100.00714.83
7.2.200.0030.01514.97
7.2.190.0030.00715.04
7.2.180.0040.01514.99
7.2.170.0130.00614.65
7.1.330.0030.01215.93
7.1.320.0040.01115.89
7.1.310.0130.00615.76
7.1.300.0100.00315.78
7.1.290.0060.00915.84
7.1.280.0060.00915.78
7.1.270.0070.01015.90
7.1.260.0080.00815.99
7.1.100.0080.00417.87
7.1.70.0060.00916.92
7.1.60.0090.01519.31
7.1.50.0270.01034.72
7.1.00.0030.03322.40
7.0.200.0030.00516.64
7.0.140.0030.07321.95
7.0.120.0070.07022.04
7.0.60.0130.07719.82
7.0.50.0000.06017.88
7.0.40.0130.06317.84
7.0.30.0070.08017.86
7.0.20.0070.05017.85
7.0.10.0100.04017.75
7.0.00.0070.08017.71
5.6.280.0100.06721.07
5.6.210.0000.06720.70
5.6.200.0100.05718.16
5.6.190.0100.06718.27
5.6.180.0100.04018.12
5.6.170.0030.08318.33
5.6.160.0030.08018.24
5.6.150.0100.03718.14
5.6.140.0030.07318.19
5.6.130.0070.08718.14
5.6.120.0030.04318.29
5.6.110.0130.03318.15
5.6.100.0070.07018.13
5.6.90.0030.08318.13
5.6.80.0000.05717.58
5.6.70.0100.07317.52
5.6.60.0030.05317.49
5.6.50.0130.07317.54
5.6.40.0030.05717.54
5.6.30.0100.07317.53
5.6.20.0100.05017.51
5.6.10.0000.04317.50
5.6.00.0030.07717.52
5.5.350.0070.04320.40
5.5.340.0030.08317.98
5.5.330.0100.05018.08
5.5.320.0100.06718.09
5.5.310.0070.06717.98
5.5.300.0200.04017.95
5.5.290.0070.05717.95
5.5.280.0100.07317.91
5.5.270.0000.08318.07
5.5.260.0130.07717.96
5.5.250.0030.05017.78
5.5.240.0130.06717.37
5.5.230.0030.06017.42
5.5.220.0170.06317.40
5.5.210.0070.07717.35
5.5.200.0100.07317.31
5.5.190.0170.06317.38
5.5.180.0030.08017.33
5.5.160.0070.04017.33
5.5.150.0030.03717.32
5.5.140.0070.03317.29
5.5.130.0000.04017.27
5.5.120.0000.04017.31
5.5.110.0030.03717.32
5.5.100.0030.03717.34
5.5.90.0070.03317.22
5.5.80.0070.03317.27
5.5.70.0070.03317.32
5.5.60.0030.03717.18
5.5.50.0030.03717.34
5.5.40.0030.03717.29
5.5.30.0070.03317.23
5.5.20.0000.04017.32
5.5.10.0030.03717.20
5.5.00.0070.03717.31
5.4.450.0100.07019.34
5.4.440.0070.06319.38
5.4.430.0100.05719.41
5.4.420.0130.07319.33
5.4.410.0100.03719.29
5.4.400.0070.05319.02
5.4.390.0070.07719.01
5.4.380.0030.08019.04
5.4.370.0070.05019.14
5.4.360.0170.07319.03
5.4.350.0100.06719.09
5.4.340.0070.04719.13
5.4.320.0100.03319.13
5.4.310.0000.04019.09
5.4.300.0030.03719.02
5.4.290.0070.03319.09
5.4.280.0100.03318.95
5.4.270.0030.03719.16
5.4.260.0100.03019.09
5.4.250.0030.03719.11
5.4.240.0070.03319.04
5.4.230.0070.03318.88
5.4.220.0000.04018.95
5.4.210.0070.03319.03
5.4.200.0070.03319.04
5.4.190.0000.04019.25
5.4.180.0030.03718.97
5.4.170.0070.03718.94
5.4.160.0030.03719.07
5.4.150.0000.05018.87
5.4.140.0030.03316.41
5.4.130.0000.04716.40
5.4.120.0030.06316.52
5.4.110.0030.05716.48
5.4.100.0100.07016.47
5.4.90.0070.05716.44
5.4.80.0030.03716.57
5.4.70.0130.05016.43
5.4.60.0100.04316.43
5.4.50.0070.07316.52
5.4.40.0070.06016.26
5.4.30.0030.06316.29
5.4.20.0100.03316.55
5.4.10.0130.04316.40
5.4.00.0070.07015.75
5.3.290.0070.03314.77
5.3.280.0100.03314.80
5.3.270.0070.03314.70
5.3.260.0030.03714.81
5.3.250.0000.04714.64
5.3.240.0100.03014.57
5.3.230.0030.04014.64
5.3.220.0270.04714.62
5.3.210.0070.07714.53
5.3.200.0030.04314.78
5.3.190.0100.04314.59
5.3.180.0070.04714.60
5.3.170.0000.05014.57
5.3.160.0070.04714.60
5.3.150.0070.08014.55
5.3.140.0070.06314.51
5.3.130.0070.06714.58
5.3.120.0070.07714.58
5.3.110.0000.04314.59
5.3.100.0070.08014.06
5.3.90.0000.06313.97
5.3.80.0130.06714.07
5.3.70.0000.08314.10
5.3.60.0070.06714.00
5.3.50.0100.03313.99
5.3.40.0030.04013.93
5.3.30.0070.07314.12
5.3.20.0030.04313.58
5.3.10.0130.03313.74
5.3.00.0070.05713.52
5.2.170.0100.05011.24
5.2.160.0030.03011.24
5.2.150.0070.06011.21
5.2.140.0000.03711.03
5.2.130.0100.03310.95
5.2.120.0000.04011.20
5.2.110.0030.05711.13
5.2.100.0030.06311.06
5.2.90.0000.03311.14
5.2.80.0130.05311.30
5.2.70.0030.06711.07
5.2.60.0030.07011.14
5.2.50.0030.03311.01
5.2.40.0030.06010.98
5.2.30.0070.05710.96
5.2.20.0070.06010.85
5.2.10.0030.04710.85
5.2.00.0030.04710.79
5.1.60.0070.0509.91
5.1.50.0030.0579.80
5.1.40.0100.04710.05
5.1.30.0030.05010.39
5.1.20.0070.05710.35
5.1.10.0000.03710.04
5.1.00.0030.02710.07
5.0.50.0000.0438.49
5.0.40.0070.0378.39
5.0.30.0070.0538.26
5.0.20.0100.0378.18
5.0.10.0030.0478.26
5.0.00.0000.0678.18
4.4.90.0030.0177.42
4.4.80.0100.0307.42
4.4.70.0070.0337.42
4.4.60.0000.0377.42
4.4.50.0000.0407.42
4.4.40.0000.0507.42
4.4.30.0030.0307.42
4.4.20.0000.0307.42
4.4.10.0000.0177.42
4.4.00.0030.0377.42
4.3.110.0000.0377.42
4.3.100.0030.0207.42
4.3.90.0000.0377.42
4.3.80.0000.0537.42
4.3.70.0000.0277.42
4.3.60.0000.0307.42
4.3.50.0030.0337.42
4.3.40.0000.0307.42
4.3.30.0000.0207.42
4.3.20.0070.0237.42
4.3.10.0000.0237.42
4.3.00.0000.0377.42

preferences:
52.8 ms | 401 KiB | 5 Q