3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public function __sleep() { return ['a' => 'b']; } } $class = new a; echo serialize($class);

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)
8.3.60.0170.00318.43
8.3.50.0090.00921.02
8.3.40.0000.01418.65
8.3.30.0130.00320.20
8.3.20.0000.00818.55
8.3.10.0040.01120.72
8.3.00.0000.00723.66
8.2.180.0150.00616.63
8.2.170.0070.00722.96
8.2.160.0110.00420.34
8.2.150.0130.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.79
8.2.110.0030.00619.31
8.2.100.0070.00417.84
8.2.90.0040.00419.05
8.2.80.0030.00619.39
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0040.00418.34
8.2.30.0000.00719.36
8.2.20.0040.00417.58
8.2.10.0040.00417.61
8.2.00.0040.00417.59
8.1.280.0090.00625.92
8.1.270.0110.00423.99
8.1.260.0070.00726.35
8.1.250.0080.00028.09
8.1.240.0090.00022.46
8.1.230.0060.00620.96
8.1.220.0040.00418.77
8.1.210.0040.00418.84
8.1.200.0080.00017.35
8.1.190.0070.00017.40
8.1.180.0070.00418.10
8.1.170.0060.00318.21
8.1.160.0000.00718.94
8.1.150.0070.00018.56
8.1.140.0040.00417.38
8.1.130.0070.00017.75
8.1.120.0070.00017.37
8.1.110.0040.00417.33
8.1.100.0000.00717.38
8.1.90.0030.00417.43
8.1.80.0070.00017.29
8.1.70.0030.00317.36
8.1.60.0080.00017.43
8.1.50.0000.00817.47
8.1.40.0080.00017.49
8.1.30.0000.00717.66
8.1.20.0040.00417.65
8.1.10.0000.00717.41
8.1.00.0000.00817.43
8.0.300.0030.00619.96
8.0.290.0000.00717.18
8.0.280.0040.00418.44
8.0.270.0070.00017.18
8.0.260.0060.00018.50
8.0.250.0040.00417.01
8.0.240.0030.00616.88
8.0.230.0030.00316.98
8.0.220.0030.00316.89
8.0.210.0030.00316.76
8.0.200.0030.00316.90
8.0.190.0040.00416.95
8.0.180.0050.00316.95
8.0.170.0040.00416.86
8.0.160.0030.00416.80
8.0.150.0050.00316.75
8.0.140.0070.00316.83
8.0.130.0000.00613.35
8.0.120.0000.01016.73
8.0.110.0070.00016.82
8.0.100.0030.00316.75
8.0.90.0000.00716.77
8.0.80.0090.00916.87
8.0.70.0040.00416.91
8.0.60.0070.00016.84
8.0.50.0050.00216.77
8.0.30.0130.00917.04
8.0.20.0140.00517.40
8.0.10.0030.00417.06
8.0.00.0120.00716.63
7.4.330.0060.00016.77
7.4.320.0030.00316.55
7.4.300.0040.00416.59
7.4.290.0000.01116.50
7.4.280.0070.00016.39
7.4.270.0000.00716.64
7.4.260.0050.00013.23
7.4.250.0070.00016.48
7.4.240.0040.00416.49
7.4.230.0040.00416.40
7.4.220.0130.00616.51
7.4.210.0090.00616.55
7.4.200.0040.00416.66
7.4.190.0040.00416.46
7.4.160.0060.00916.56
7.4.150.0100.00717.40
7.4.140.0120.00617.86
7.4.130.0110.01116.53
7.4.120.0110.00816.59
7.4.110.0100.00716.36
7.4.100.0100.00716.52
7.4.90.0110.00616.50
7.4.80.0110.01019.39
7.4.70.0000.01816.70
7.4.60.0120.00416.50
7.4.50.0050.00316.47
7.4.40.0070.01022.77
7.4.30.0100.00716.63
7.4.00.0060.00915.13
7.3.330.0000.00513.38
7.3.320.0000.00613.28
7.3.310.0070.00016.32
7.3.300.0070.00016.29
7.3.290.0070.00716.21
7.3.280.0050.01316.29
7.3.270.0120.00917.40
7.3.260.0130.01018.24
7.3.250.0110.00716.20
7.3.240.0130.00316.51
7.3.230.0110.00616.39
7.3.210.0120.00916.45
7.3.200.0060.01419.39
7.3.190.0070.01516.35
7.3.180.0080.00816.31
7.3.170.0030.01416.27
7.3.160.0160.00016.57
7.3.120.0060.00914.95
7.2.330.0040.01316.56
7.2.320.0070.01016.74
7.2.310.0070.01116.60
7.2.300.0100.00616.38
7.2.290.0110.01116.40
7.2.00.0030.00619.38
7.1.100.0060.00617.65
7.1.70.0070.00716.81
7.1.60.0100.01319.17
7.1.50.0120.01216.92
7.1.00.0030.04322.43
7.0.200.0050.00316.41
7.0.140.0070.07022.18
7.0.100.0030.04020.02
7.0.90.0130.03720.02
7.0.80.0100.03720.12
7.0.70.0130.03719.92
7.0.60.0030.03720.05
7.0.50.0000.05020.25
7.0.40.0030.03720.13
7.0.30.0070.03320.15
7.0.20.0030.03720.17
7.0.10.0000.04720.18
7.0.00.0000.04020.07
5.6.280.0030.07320.82
5.6.250.0100.03720.62
5.6.240.0100.03720.70
5.6.230.0100.03720.68
5.6.220.0130.03320.74
5.6.210.0030.04720.77
5.6.200.0000.04021.04
5.6.190.0100.03721.13
5.6.180.0000.04721.18
5.6.170.0000.03721.00
5.6.160.0070.07321.11
5.6.150.0100.07321.05
5.6.140.0030.04021.04
5.6.130.0030.08021.05
5.6.120.0070.07721.00
5.6.110.0100.08720.96
5.6.100.0000.08021.00
5.6.90.0100.07720.90
5.6.80.0070.05020.43
5.6.70.0030.04020.39
5.6.60.0070.07720.45
5.6.50.0070.08020.48
5.6.40.0070.04320.49
5.6.30.0000.05020.37
5.6.20.0100.05320.32
5.6.10.0070.08720.36
5.6.00.0070.08320.39
5.5.380.0000.04320.42
5.5.370.0130.02320.41
5.5.360.0030.04320.43
5.5.350.0000.04720.38
5.5.340.0000.04320.89
5.5.330.0030.03320.84
5.5.320.0130.03020.91
5.5.310.0100.03020.77
5.5.300.0030.04020.76
5.5.290.0100.08720.76
5.5.280.0070.05320.87
5.5.270.0100.07020.86
5.5.260.0130.07020.64
5.5.250.0130.07720.60
5.5.240.0070.04020.22
5.5.230.0130.06020.29
5.5.220.0030.11020.13
5.5.210.0100.07020.29
5.5.200.0030.04020.23
5.5.190.0030.08320.19
5.5.180.0030.04720.21
5.5.160.0100.04720.14
5.5.150.0030.07320.25
5.5.140.0070.05720.23
5.5.130.0100.07020.21
5.5.120.0100.06320.09
5.5.110.0030.08020.26
5.5.100.0070.07720.05
5.5.90.0100.07020.07
5.5.80.0030.04719.97
5.5.70.0130.03020.05
5.5.60.0000.04320.06
5.5.50.0100.04719.96
5.5.40.0130.07320.14
5.5.30.0170.07720.05
5.5.20.0030.03720.09
5.5.10.0070.03320.02
5.5.00.0100.07319.97
5.4.450.0000.05719.51
5.4.440.0070.03319.46
5.4.430.0030.07719.35
5.4.420.0200.06319.35
5.4.410.0100.08019.33
5.4.400.0070.04719.13
5.4.390.0000.05719.03
5.4.380.0100.07719.23
5.4.370.0100.06318.88
5.4.360.0130.05719.13
5.4.350.0070.04319.14
5.4.340.0030.04019.20
5.4.320.0030.04319.23
5.4.310.0030.08019.21
5.4.300.0100.03019.04
5.4.290.0130.04319.13
5.4.280.0070.07318.88
5.4.270.0130.02718.94
5.4.260.0100.07318.94
5.4.250.0000.08319.09
5.4.240.0070.03318.90
5.4.230.0000.03719.09
5.4.220.0100.07319.04
5.4.210.0030.04318.89
5.4.200.0000.07718.84
5.4.190.0070.06319.22
5.4.180.0070.04719.01
5.4.170.0070.03019.12
5.4.160.0100.05018.83
5.4.150.0100.04319.02
5.4.140.0000.06316.41
5.4.130.0070.07316.34
5.4.120.0200.05716.43
5.4.110.0030.04316.36
5.4.100.0100.07016.27
5.4.90.0030.07316.50
5.4.80.0070.06716.42
5.4.70.0070.07316.46
5.4.60.0130.06316.45
5.4.50.0130.06716.46
5.4.40.0100.06316.30
5.4.30.0200.06016.41
5.4.20.0030.07016.36
5.4.10.0170.06716.44
5.4.00.0100.03715.96
5.3.290.0100.07714.66
5.3.280.0070.07714.60
5.3.270.0070.07314.62
5.3.260.0030.03314.71
5.3.250.0070.05314.54
5.3.240.0000.04314.63
5.3.230.0070.07314.71
5.3.220.0130.07014.54
5.3.210.0070.06314.71
5.3.200.0170.03314.57
5.3.190.0070.06314.60
5.3.180.0070.07314.67
5.3.170.0030.06714.62
5.3.160.0070.07714.70
5.3.150.0030.08014.55
5.3.140.0070.07014.48
5.3.130.0100.04314.50
5.3.120.0070.05014.52
5.3.110.0100.03314.47
5.3.100.0100.06014.16
5.3.90.0130.04713.97
5.3.80.0070.04313.94
5.3.70.0070.04714.02
5.3.60.0070.03314.12
5.3.50.0070.07013.95
5.3.40.0000.05013.84
5.3.30.0100.05014.02
5.3.20.0070.07313.78
5.3.10.0070.07313.79
5.3.00.0070.05313.53
5.2.170.0070.06311.60
5.2.160.0070.05711.60
5.2.150.0000.05311.60
5.2.140.0000.04311.60
5.2.130.0070.06011.60
5.2.120.0070.04311.60
5.2.110.0000.06311.60
5.2.100.0130.01711.60
5.2.90.0030.06011.60
5.2.80.0130.05711.60
5.2.70.0030.05711.60
5.2.60.0030.04311.60
5.2.50.0130.02011.60
5.2.40.0070.06311.60
5.2.30.0030.06311.60
5.2.20.0000.06011.60
5.2.10.0100.05711.60
5.2.00.0000.04311.60
5.1.60.0100.05011.60
5.1.50.0100.05011.60
5.1.40.0030.05311.60
5.1.30.0000.03711.60
5.1.20.0030.04711.60
5.1.10.0070.05011.60
5.1.00.0030.06011.60
5.0.50.0070.02311.60
5.0.40.0030.02011.60
5.0.30.0030.03011.60
5.0.20.0030.03711.60
5.0.10.0100.03711.60
5.0.00.0070.04711.60
4.4.90.0000.02011.60
4.4.80.0070.03011.60
4.4.70.0000.02311.60
4.4.60.0000.03711.60
4.4.50.0030.02311.60
4.4.40.0070.03711.60
4.4.30.0000.02711.60
4.4.20.0000.03311.60
4.4.10.0070.03011.60
4.4.00.0030.05311.60
4.3.110.0000.02311.60
4.3.100.0000.02011.60
4.3.90.0030.01311.60
4.3.80.0030.05711.60
4.3.70.0000.03311.60
4.3.60.0030.02011.60
4.3.50.0000.04311.60
4.3.40.0070.04711.60
4.3.30.0070.03711.60
4.3.20.0000.02011.60
4.3.10.0000.03011.60
4.3.00.0000.04011.60

preferences:
41.86 ms | 400 KiB | 5 Q