3v4l.org

run code in 300+ PHP versions simultaneously
<?php new A(); class A { public function jsonSerialize() { return []; } } class B implements JsonSerializable { public function jsonSerialize() { return []; } } 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)
8.3.40.0140.00718.70
8.3.30.0110.00420.31
8.3.20.0040.00420.59
8.3.10.0080.00020.94
8.3.00.0030.00723.53
8.2.170.0070.01022.96
8.2.160.0100.00320.38
8.2.150.0000.00824.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0080.00020.95
8.2.110.0050.00519.29
8.2.100.0070.00417.66
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0080.00017.80
8.2.50.0050.00318.07
8.2.40.0040.00418.21
8.2.30.0000.00719.54
8.2.20.0000.00717.52
8.2.10.0050.00217.50
8.2.00.0000.00817.50
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.97
8.1.230.0070.00420.97
8.1.220.0040.00418.77
8.1.210.0070.00018.96
8.1.200.0100.00017.36
8.1.190.0080.00017.53
8.1.180.0050.00518.10
8.1.170.0000.00818.72
8.1.160.0040.00418.82
8.1.150.0030.00518.56
8.1.140.0080.00017.39
8.1.130.0070.00017.76
8.1.120.0000.00717.26
8.1.110.0040.00417.28
8.1.100.0050.00317.33
8.1.90.0000.00717.43
8.1.80.0000.00817.42
8.1.70.0000.00717.37
8.1.60.0030.00617.45
8.1.50.0000.00717.30
8.1.40.0000.00817.42
8.1.30.0040.00417.49
8.1.20.0030.00517.58
8.1.10.0000.00717.57
8.1.00.0020.00517.45
8.0.300.0020.00519.88
8.0.290.0040.00417.30
8.0.280.0030.00318.39
8.0.270.0070.00017.17
8.0.260.0000.00816.87
8.0.250.0020.00516.88
8.0.240.0040.00516.96
8.0.230.0000.00716.78
8.0.220.0070.00016.91
8.0.210.0030.00316.85
8.0.200.0040.00416.87
8.0.190.0000.00716.78
8.0.180.0070.00016.74
8.0.170.0060.00316.76
8.0.160.0030.00316.84
8.0.150.0050.00316.79
8.0.140.0050.00216.78
8.0.130.0000.00613.23
8.0.120.0070.00016.71
8.0.110.0040.00416.70
8.0.100.0020.00516.89
8.0.90.0040.00416.85
8.0.80.0120.00416.78
8.0.70.0000.00816.84
8.0.60.0070.00016.79
8.0.50.0000.00716.86
8.0.30.0100.01016.90
8.0.20.0130.00617.40
8.0.10.0040.00416.83
8.0.00.0120.00816.66
7.4.330.0000.00516.79
7.4.320.0040.00416.45
7.4.300.0030.00316.54
7.4.290.0000.00716.44
7.4.280.0040.00416.50
7.4.270.0070.00016.46
7.4.260.0050.00013.20
7.4.250.0000.00816.41
7.4.240.0000.00716.54
7.4.230.0070.00016.28
7.4.220.0160.00316.33
7.4.210.0090.00716.46
7.4.200.0030.00316.37
7.4.190.0030.00316.61
7.4.160.0130.00416.35
7.4.150.0060.01217.40
7.4.140.0140.00817.86
7.4.130.0100.00716.49
7.4.120.0150.00716.46
7.4.110.0080.01516.30
7.4.100.0140.00416.55
7.4.90.0160.00716.32
7.4.80.0080.00819.39
7.4.70.0030.01416.40
7.4.60.0090.00616.49
7.4.50.0060.00316.49
7.4.40.0080.00422.77
7.4.30.0090.00916.48
7.4.00.0070.00714.71
7.3.330.0050.00013.17
7.3.320.0000.00613.13
7.3.310.0030.00316.18
7.3.300.0070.00016.26
7.3.290.0090.00916.14
7.3.280.0080.00916.14
7.3.270.0150.00917.40
7.3.260.0110.01018.24
7.3.250.0120.00816.33
7.3.240.0100.00716.14
7.3.230.0120.00616.55
7.3.210.0070.01316.10
7.3.200.0060.01119.39
7.3.190.0120.00616.52
7.3.180.0140.00316.19
7.3.170.0060.01116.39
7.3.160.0070.01716.37
7.3.120.0000.00914.61
7.3.10.0030.00716.60
7.3.00.0040.01216.35
7.2.330.0150.00316.25
7.2.320.0130.01016.63
7.2.310.0070.01016.46
7.2.300.0070.01016.47
7.2.290.0040.01116.32
7.2.130.0070.00916.57
7.2.120.0070.00716.43
7.2.110.0030.01016.28
7.2.100.0150.00316.66
7.2.90.0080.00616.68
7.2.80.0140.00316.71
7.2.70.0080.00016.81
7.2.60.0040.01116.65
7.2.50.0070.00816.81
7.2.40.0160.00016.74
7.2.30.0040.00716.54
7.2.20.0030.00916.55
7.2.10.0060.00316.76
7.2.00.0000.01316.70
7.1.250.0030.01215.64
7.1.200.0140.00415.26
7.1.70.0050.00817.06
7.1.60.0100.01419.17
7.1.50.0120.00916.79
7.1.00.0130.06322.54
7.0.200.0000.00816.68
7.0.140.0030.07321.95
7.0.100.0100.06019.94
7.0.90.0270.08019.95
7.0.80.0470.07319.89
7.0.70.0100.07020.11
7.0.60.0130.07319.87
7.0.50.0100.07020.33
7.0.40.0130.07320.14
7.0.30.0100.08020.02
7.0.20.0030.05719.94
7.0.10.0030.06020.09
7.0.00.0030.05020.16
5.6.280.0070.07321.12
5.6.250.0130.08020.70
5.6.240.0070.07720.60
5.6.230.0130.07320.59
5.6.220.0100.07320.74
5.6.210.0070.05020.56
5.6.200.0100.08321.06
5.6.190.0100.07721.14
5.6.180.0000.08320.94
5.6.170.0070.08021.03
5.6.160.0070.05321.07
5.6.150.0100.08321.14
5.6.140.0130.07021.17
5.6.130.0030.09021.02
5.6.120.0070.05021.05
5.6.110.0070.04721.01
5.6.100.0070.05721.01
5.6.90.0070.05020.94
5.6.80.0070.04720.41
5.6.70.0070.04320.42
5.6.60.0030.07020.39
5.6.50.0130.07320.50
5.6.40.0070.06720.44
5.6.30.0070.08320.40
5.6.20.0170.06020.31
5.6.10.0100.05020.47
5.6.00.0130.07020.42
5.5.380.0100.07720.37
5.5.370.0030.06320.46
5.5.360.0070.06320.41
5.5.350.0070.05720.45
5.5.340.0100.09020.88
5.5.330.0170.04320.77
5.5.320.0130.04320.83
5.5.310.0030.08020.83
5.5.300.0130.08020.91
5.5.290.0100.06720.92
5.5.280.0070.05320.83
5.5.270.0130.07320.78
5.5.260.0100.07720.88
5.5.250.0070.08720.64
5.5.240.0100.07020.26
5.5.230.0070.06020.25
5.5.220.0070.07320.29
5.5.210.0070.04020.25
5.5.200.0030.04320.19
5.5.190.0000.07020.18
5.5.180.0100.07020.25
5.5.160.0000.05320.12
5.5.150.0070.07320.26
5.5.140.0030.06320.17
5.5.130.0100.04720.19
5.5.120.0100.07720.19
5.5.110.0070.07720.25
5.5.100.0070.04320.05
5.5.90.0130.07319.97
5.5.80.0000.08020.15
5.5.70.0030.08020.00
5.5.60.0070.06720.06
5.5.50.0130.07020.00
5.5.40.0070.07720.11
5.5.30.0100.06320.05
5.5.20.0070.06320.05
5.5.10.0030.04720.05
5.5.00.0100.07720.06
5.4.450.0100.08019.42
5.4.440.0000.08019.48
5.4.430.0030.07019.17
5.4.420.0030.07319.55
5.4.410.0070.08319.41
5.4.400.0130.04018.85
5.4.390.0030.05019.23
5.4.380.0100.06019.03
5.4.370.0030.07719.03
5.4.360.0070.07019.18
5.4.350.0070.07318.94
5.4.340.0170.07718.90
5.4.320.0000.04319.16
5.4.310.0030.07719.18
5.4.300.0200.06719.08
5.4.290.0170.06719.13
5.4.280.0070.07019.22
5.4.270.0000.04318.87
5.4.260.0030.05319.03
5.4.250.0070.07019.03
5.4.240.0030.06019.11
5.4.230.0100.04719.08
5.4.220.0030.06318.89
5.4.210.0030.05719.22
5.4.200.0030.08019.02
5.4.190.0070.05019.02
5.4.180.0000.04319.11
5.4.170.0100.06719.08
5.4.160.0070.07019.02
5.4.150.0100.04318.83
5.4.140.0070.05316.32
5.4.130.0200.02716.33
5.4.120.0070.07316.32
5.4.110.0070.06016.50
5.4.100.0070.04016.46
5.4.90.0070.07016.34
5.4.80.0070.05716.49
5.4.70.0030.06016.47
5.4.60.0070.06716.38
5.4.50.0000.07716.27
5.4.40.0100.07316.53
5.4.30.0070.07016.43
5.4.20.0100.07316.45
5.4.10.0070.06016.49
5.4.00.0070.05715.88
5.3.290.0070.06014.79
5.3.280.0030.06014.61
5.3.270.0070.04314.63
5.3.260.0070.07314.72
5.3.250.0130.06314.73
5.3.240.0130.06714.71
5.3.230.0030.08014.73
5.3.220.0000.06014.70
5.3.210.0100.05714.54
5.3.200.0030.06014.55
5.3.190.0100.07314.52
5.3.180.0130.05714.68
5.3.170.0100.03714.58
5.3.160.0100.03314.62
5.3.150.0070.04314.63
5.3.140.0070.07314.48
5.3.130.0000.05014.68
5.3.120.0130.06314.52
5.3.110.0030.08314.56
5.3.100.0070.07313.98
5.3.90.0100.06713.95
5.3.80.0070.07314.11
5.3.70.0100.06714.00
5.3.60.0070.04313.90
5.3.50.0030.04014.08
5.3.40.0030.07014.00
5.3.30.0030.05013.92
5.3.20.0100.06013.75
5.3.10.0070.07013.59
5.3.00.0030.07713.62
5.2.170.0130.05011.13
5.2.160.0000.04711.13
5.2.150.0070.05711.24
5.2.140.0100.05011.02
5.2.130.0030.06011.09
5.2.120.0000.03311.14
5.2.110.0030.05011.03
5.2.100.0030.04710.98
5.2.90.0000.06011.09
5.2.80.0000.06011.15
5.2.70.0070.06011.23
5.2.60.0100.05311.05
5.2.50.0130.05310.91
5.2.40.0100.05311.01
5.2.30.0030.03010.99
5.2.20.0000.06710.95
5.2.10.0070.03710.92
5.2.00.0030.04710.81
5.1.60.0030.05010.10
5.1.50.0030.0479.84
5.1.40.0100.04310.06
5.1.30.0030.04010.27
5.1.20.0030.03010.30
5.1.10.0030.03310.05
5.1.00.0100.03710.06
5.0.50.0070.0138.82
5.0.40.0000.0208.82
5.0.30.0000.0508.82
5.0.20.0000.0278.82
5.0.10.0000.0308.82
5.0.00.0030.0508.82
4.4.90.0030.0338.82
4.4.80.0030.0208.82
4.4.70.0000.0408.82
4.4.60.0000.0238.82
4.4.50.0000.0378.82
4.4.40.0070.0278.82
4.4.30.0030.0338.82
4.4.20.0030.0338.82
4.4.10.0030.0338.82
4.4.00.0070.0308.82
4.3.110.0000.0178.82
4.3.100.0030.0208.82
4.3.90.0030.0208.82
4.3.80.0030.0408.82
4.3.70.0100.0078.82
4.3.60.0000.0278.82
4.3.50.0030.0378.82
4.3.40.0030.0338.82
4.3.30.0030.0208.82
4.3.20.0000.0338.82
4.3.10.0000.0238.82
4.3.00.0000.0338.82

preferences:
41.82 ms | 400 KiB | 5 Q