3v4l.org

run code in 300+ PHP versions simultaneously
<?php class t { public $val; } $arr=array(); $a=new t(); $a->val=1; $arr[]=$a; $a=new t(); $a->val=2; $arr[]=$a; $a->val=6; echo json_encode($arr);

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)
8.3.60.0110.01118.40
8.3.50.0080.00722.11
8.3.40.0110.00418.98
8.3.30.0090.00919.18
8.3.20.0000.00820.10
8.3.10.0080.00022.10
8.3.00.0000.00822.58
8.2.180.0170.00316.38
8.2.170.0090.00622.96
8.2.160.0170.00320.89
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00317.59
8.2.110.0060.00319.27
8.2.100.0090.00317.91
8.2.90.0040.00419.35
8.2.80.0050.00517.97
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0030.00618.29
8.2.30.0040.00418.19
8.2.20.0040.00417.64
8.2.10.0080.00017.59
8.2.00.0070.00017.67
8.1.280.0080.00825.92
8.1.270.0030.00623.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.91
8.1.230.0080.00421.04
8.1.220.0050.00317.78
8.1.210.0000.00918.77
8.1.200.0060.00617.10
8.1.190.0060.00317.51
8.1.180.0080.00018.60
8.1.170.0040.00418.61
8.1.160.0040.00421.82
8.1.150.0070.00018.61
8.1.140.0070.00017.41
8.1.130.0040.00417.66
8.1.120.0000.00717.38
8.1.110.0040.00717.39
8.1.100.0040.00417.36
8.1.90.0000.00717.45
8.1.80.0020.00517.36
8.1.70.0000.00717.29
8.1.60.0040.00417.52
8.1.50.0040.00417.36
8.1.40.0000.00717.35
8.1.30.0030.00517.46
8.1.20.0050.00317.56
8.1.10.0000.00817.54
8.1.00.0030.00517.39
8.0.300.0000.00718.77
8.0.290.0000.00817.05
8.0.280.0040.00418.40
8.0.270.0000.00717.24
8.0.260.0000.00716.71
8.0.250.0030.00316.95
8.0.240.0000.00716.83
8.0.230.0020.00516.80
8.0.220.0000.00716.80
8.0.210.0000.00716.73
8.0.200.0030.00516.88
8.0.190.0040.00416.79
8.0.180.0030.00316.86
8.0.170.0030.00416.76
8.0.160.0050.00216.78
8.0.150.0040.00316.66
8.0.140.0000.00816.80
8.0.130.0030.00313.26
8.0.120.0050.00216.82
8.0.110.0000.00716.87
8.0.100.0070.00016.69
8.0.90.0030.00516.87
8.0.80.0060.00916.77
8.0.70.0080.00016.82
8.0.60.0000.00816.71
8.0.50.0080.00016.68
8.0.30.0130.00616.93
8.0.20.0110.01017.40
8.0.10.0030.00516.95
8.0.00.0050.01216.85
7.4.330.0020.00215.00
7.4.320.0000.00716.55
7.4.300.0030.00316.45
7.4.290.0040.00416.56
7.4.280.0100.00016.51
7.4.270.0030.00316.45
7.4.260.0060.00316.51
7.4.250.0040.00416.43
7.4.240.0000.00716.54
7.4.230.0040.00416.29
7.4.220.0120.01316.46
7.4.210.0080.00816.53
7.4.200.0050.00216.38
7.4.190.0040.00416.70
7.4.160.0040.01316.16
7.4.150.0100.00717.40
7.4.140.0100.01017.86
7.4.130.0070.01116.40
7.4.120.0080.01016.51
7.4.110.0070.01016.24
7.4.100.0040.01416.57
7.4.90.0160.00716.32
7.4.80.0090.01419.39
7.4.70.0170.00016.54
7.4.60.0090.01216.50
7.4.50.0030.00516.55
7.4.40.0130.00322.77
7.4.30.0060.00916.56
7.4.00.0060.00915.04
7.3.330.0040.00313.34
7.3.320.0050.00013.34
7.3.310.0040.00416.33
7.3.300.0040.00416.18
7.3.290.0130.00616.29
7.3.280.0130.00316.31
7.3.270.0030.01417.40
7.3.260.0110.00616.59
7.3.250.0130.01016.37
7.3.240.0070.01016.29
7.3.230.0030.01316.47
7.3.210.0030.01416.52
7.3.200.0110.01119.39
7.3.190.0090.01116.29
7.3.180.0060.01016.36
7.3.170.0060.01316.30
7.3.160.0100.00716.29
7.3.120.0030.01014.79
7.2.330.0110.00516.69
7.2.320.0090.01216.56
7.2.310.0140.00716.80
7.2.300.0000.01716.45
7.2.290.0090.00616.55
7.2.00.0060.00819.35
7.1.200.0000.01515.90
7.1.100.0060.00618.34
7.1.70.0060.00617.20
7.1.60.0030.02119.82
7.1.50.0070.01417.04
7.1.00.0100.07022.46
7.0.200.0030.00616.84
7.0.140.0030.07322.04
7.0.90.0730.07019.95
7.0.80.0570.03719.96
7.0.70.0400.08020.02
7.0.60.0400.05319.93
7.0.50.0530.06720.30
7.0.40.0130.08020.18
7.0.30.0000.04720.05
7.0.20.0170.03720.05
7.0.10.0070.05320.12
7.0.00.0070.08720.04
5.6.280.0100.06721.07
5.6.240.0070.04720.52
5.6.230.0100.04720.50
5.6.220.0170.04020.57
5.6.210.0070.07720.57
5.6.200.0000.09321.01
5.6.190.0130.04021.04
5.6.180.0230.06721.03
5.6.170.0170.06021.11
5.6.160.0070.04721.11
5.6.150.0000.05721.05
5.6.140.0100.07721.05
5.6.130.0100.07021.08
5.6.120.0100.07721.05
5.6.110.0070.08321.01
5.6.100.0100.04721.09
5.6.90.0100.05021.03
5.6.80.0000.04320.42
5.6.70.0070.06720.38
5.6.60.0000.04320.35
5.6.50.0100.03720.34
5.6.40.0000.04320.38
5.6.30.0130.06020.40
5.6.20.0030.04720.43
5.6.10.0070.04020.37
5.6.00.0030.04020.38
5.5.380.0030.07720.41
5.5.370.0100.08020.41
5.5.360.0230.06320.33
5.5.350.0100.07720.46
5.5.340.0070.07720.85
5.5.330.0130.08020.90
5.5.320.0070.07020.92
5.5.310.0100.07320.80
5.5.300.0100.07720.87
5.5.290.0100.06020.82
5.5.280.0200.05020.82
5.5.270.0170.06720.91
5.5.260.0100.04020.86
5.5.250.0200.06720.70
5.5.240.0070.06720.16
5.5.230.0070.08020.18
5.5.220.0000.07320.20
5.5.210.0030.05320.26
5.5.200.0000.05320.14
5.5.190.0030.04020.20
5.5.180.0000.05720.15
5.5.160.0100.04320.18
5.5.150.0100.03720.21
5.5.140.0130.06020.11
5.5.130.0000.04020.23
5.5.120.0070.03720.12
5.5.110.0100.03720.23
5.5.100.0070.06720.07
5.5.90.0070.03019.97
5.5.80.0070.03720.08
5.5.70.0000.04020.16
5.5.60.0070.03020.14
5.5.50.0030.03320.04
5.5.40.0030.04020.05
5.5.30.0100.03020.07
5.5.20.0000.04319.89
5.5.10.0030.04020.07
5.5.00.0100.03719.98
5.4.450.0070.07319.38
5.4.440.0070.05019.37
5.4.430.0070.07319.55
5.4.420.0270.05719.27
5.4.410.0030.07019.44
5.4.400.0100.03719.05
5.4.390.0070.04718.85
5.4.380.0130.02719.09
5.4.370.0070.04318.95
5.4.360.0000.04018.86
5.4.350.0100.04019.05
5.4.340.0030.03719.21
5.4.320.0000.04319.05
5.4.310.0070.05319.23
5.4.300.0000.05319.16
5.4.290.0100.03019.20
5.4.280.0100.03019.04
5.4.270.0000.05019.14
5.4.260.0030.05719.20
5.4.250.0030.05719.11
5.4.240.0070.03319.02
5.4.230.0070.03318.94
5.4.220.0000.04019.04
5.4.210.0070.06319.02
5.4.200.0070.03719.02
5.4.190.0000.04019.11
5.4.180.0030.04019.11
5.4.170.0070.03319.06
5.4.160.0030.03719.19
5.4.150.0030.03719.00
5.4.140.0070.03316.38
5.4.130.0070.04716.45
5.4.120.0100.02716.28
5.4.110.0000.04716.43
5.4.100.0070.03316.43
5.4.90.0000.03716.32
5.4.80.0000.03716.45
5.4.70.0070.04016.32
5.4.60.0100.02716.46
5.4.50.0030.03316.33
5.4.40.0070.04016.45
5.4.30.0130.05016.35
5.4.20.0100.04716.36
5.4.10.0200.05316.40
5.4.00.0100.06715.73
5.3.290.0100.03314.68
5.3.280.0070.04014.64
5.3.270.0070.03714.69
5.3.260.0030.05014.65
5.3.250.0070.03314.62
5.3.240.0100.06014.70
5.3.230.0000.04314.62
5.3.220.0230.06014.57
5.3.210.0070.03014.62
5.3.200.0030.03714.53
5.3.190.0000.04714.57
5.3.180.0000.04014.58
5.3.170.0000.04014.49
5.3.160.0030.06314.51
5.3.150.0070.04014.50
5.3.140.0070.03014.55
5.3.130.0070.06714.68
5.3.120.0100.07014.61
5.3.110.0070.06014.64
5.3.100.0130.06714.00
5.3.90.0030.09714.07
5.3.80.0030.07314.00
5.3.70.0100.03314.13
5.3.60.0130.06313.94
5.3.50.0030.07714.07
5.3.40.0070.05313.84
5.3.30.0030.08013.88
5.3.20.0030.04713.66
5.3.10.0000.04013.57
5.3.00.0130.06713.70
5.2.170.0000.06011.23
5.2.160.0070.06011.05
5.2.150.0100.06011.20
5.2.140.0070.06011.27
5.2.130.0100.05311.00
5.2.120.0100.03311.11
5.2.110.0030.03311.23
5.2.100.0000.06010.98
5.2.90.0070.03011.18
5.2.80.0070.04011.12
5.2.70.0030.03311.19
5.2.60.0070.05311.14
5.2.50.0100.06011.02
5.2.40.0030.06311.11
5.2.30.0100.06010.90
5.2.20.0070.05010.81
5.2.10.0030.03710.97
5.2.00.0130.05310.76
5.1.60.0100.0509.98
5.1.50.0030.0609.94
5.1.40.0030.0579.96
5.1.30.0000.06010.42
5.1.20.0100.05010.29
5.1.10.0070.05010.13
5.1.00.0030.05710.16
5.0.50.0000.0478.63
5.0.40.0000.0408.29
5.0.30.0070.0478.06
5.0.20.0030.0438.25
5.0.10.0100.0408.23
5.0.00.0070.0608.24
4.4.90.0000.0337.53
4.4.80.0030.0337.53
4.4.70.0030.0377.53
4.4.60.0170.0237.53
4.4.50.0000.0277.53
4.4.40.0030.0537.53
4.4.30.0030.0337.53
4.4.20.0030.0337.53
4.4.10.0070.0277.53
4.4.00.0070.0507.53
4.3.110.0000.0377.53
4.3.100.0000.0377.53
4.3.90.0030.0337.53
4.3.80.0000.0407.53
4.3.70.0100.0277.53
4.3.60.0030.0277.53
4.3.50.0030.0237.53
4.3.40.0000.0377.53
4.3.30.0070.0137.53
4.3.20.0030.0377.53
4.3.10.0000.0337.53
4.3.00.0000.0377.53

preferences:
40.69 ms | 401 KiB | 5 Q