3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new SimpleXMLElement('<root><foo>x</foo></root>'); echo json_encode($x);

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)
8.3.60.0140.00416.63
8.3.50.0100.01022.05
8.3.40.0170.00318.93
8.3.30.0120.00618.96
8.3.20.0080.00020.34
8.3.10.0000.00723.65
8.3.00.0030.00717.50
8.2.180.0060.01618.41
8.2.170.0000.01622.96
8.2.160.0000.01420.57
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0120.00017.63
8.2.110.0090.00021.29
8.2.100.0030.00918.18
8.2.90.0000.00719.33
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0000.01218.04
8.2.50.0000.00818.07
8.2.40.0030.00521.36
8.2.30.0030.00520.87
8.2.20.0040.00417.73
8.2.10.0040.00418.14
8.2.00.0040.00418.25
8.1.280.0030.01425.92
8.1.270.0040.00423.96
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00321.14
8.1.230.0060.00617.91
8.1.220.0000.00817.91
8.1.210.0050.00318.77
8.1.200.0030.00617.60
8.1.190.0030.00617.36
8.1.180.0080.00018.10
8.1.170.0000.00719.15
8.1.160.0040.00422.10
8.1.150.0040.00418.96
8.1.140.0000.00819.65
8.1.130.0040.00417.72
8.1.120.0020.00517.64
8.1.110.0070.00317.57
8.1.100.0050.00317.56
8.1.90.0000.00817.59
8.1.80.0000.00717.50
8.1.70.0000.00717.59
8.1.60.0040.00417.77
8.1.50.0040.00417.61
8.1.40.0120.00017.57
8.1.30.0050.00317.64
8.1.20.0030.00617.77
8.1.10.0000.00817.75
8.1.00.0000.00817.66
8.0.300.0070.00318.77
8.0.290.0040.00416.88
8.0.280.0030.00318.61
8.0.270.0000.00817.46
8.0.260.0000.00817.46
8.0.250.0030.00517.00
8.0.240.0050.00317.10
8.0.230.0030.00317.06
8.0.220.0040.00416.98
8.0.210.0000.00716.93
8.0.200.0070.00317.06
8.0.190.0060.00317.04
8.0.180.0000.00717.09
8.0.170.0070.00017.03
8.0.160.0040.00416.97
8.0.150.0000.00717.02
8.0.140.0040.00416.92
8.0.130.0000.00813.45
8.0.120.0000.00916.95
8.0.110.0040.00416.84
8.0.100.0000.00716.77
8.0.90.0040.00416.88
8.0.80.0120.00416.95
8.0.70.0070.00016.89
8.0.60.0070.00016.83
8.0.50.0050.00316.97
8.0.30.0120.00917.30
8.0.20.0090.01317.40
8.0.10.0040.00417.15
8.0.00.0110.01016.81
7.4.330.0030.00315.27
7.4.320.0060.00016.72
7.4.300.0040.00416.64
7.4.290.0060.00016.67
7.4.280.0080.00016.67
7.4.270.0030.00316.71
7.4.260.0040.00416.65
7.4.250.0070.00016.52
7.4.240.0020.00516.55
7.4.230.0000.00716.65
7.4.220.0150.00316.78
7.4.210.0060.00916.83
7.4.200.0000.00716.74
7.4.160.0000.01716.73
7.4.150.0100.01017.40
7.4.140.0090.00917.86
7.4.130.0090.01016.76
7.4.120.0100.00716.69
7.4.110.0100.00816.66
7.4.100.0090.00916.59
7.4.90.0070.01016.70
7.4.80.0070.01019.39
7.4.70.0130.00616.53
7.4.60.0120.00616.57
7.4.50.0000.00816.44
7.4.40.0080.01116.75
7.4.30.0190.00016.73
7.4.00.0080.00814.87
7.3.330.0030.00313.04
7.3.320.0050.00013.06
7.3.310.0000.00716.29
7.3.300.0060.00016.34
7.3.290.0080.00816.33
7.3.280.0080.01016.34
7.3.270.0070.01017.40
7.3.260.0070.01016.63
7.3.250.0100.00716.54
7.3.240.0150.00616.54
7.3.230.0120.00616.57
7.3.210.0030.01316.67
7.3.200.0130.00316.68
7.3.190.0030.01316.50
7.3.180.0090.00616.52
7.3.170.0100.00716.57
7.3.160.0080.00816.43
7.3.10.0040.00716.57
7.3.00.0050.00516.38
7.2.330.0050.01316.89
7.2.320.0070.01116.82
7.2.310.0070.01416.59
7.2.300.0070.01016.73
7.2.290.0000.01616.62
7.2.130.0080.00316.82
7.2.120.0030.00916.98
7.2.110.0110.00016.76
7.2.100.0070.00717.00
7.2.90.0040.00716.79
7.2.80.0030.00716.91
7.2.70.0050.00317.00
7.2.60.0040.00916.92
7.2.50.0060.00916.82
7.2.40.0030.00616.88
7.2.30.0100.00317.01
7.2.20.0110.00416.69
7.2.10.0060.00316.76
7.2.00.0120.00618.19
7.1.250.0000.01015.65
7.1.200.0040.01115.81
7.1.100.0030.00918.21
7.1.70.0050.00317.29
7.1.60.0090.01219.13
7.1.50.0060.00616.87
7.1.00.0030.07722.56
7.0.200.0370.00614.80
7.0.90.0070.08019.97
7.0.80.0130.05720.14
7.0.70.0700.07319.96
7.0.60.0600.08020.08
7.0.50.0670.04020.29
7.0.40.0030.05020.22
7.0.30.0130.07720.14
7.0.20.0070.08720.22
7.0.10.0070.08020.17
7.0.00.0070.08320.14
5.6.280.0000.05721.13
5.6.240.0130.08020.79
5.6.230.0100.06320.63
5.6.220.0070.08320.65
5.6.210.0100.04320.82
5.6.200.0000.05021.00
5.6.190.0130.06721.11
5.6.180.0130.07721.22
5.6.170.0030.05721.05
5.6.160.0100.08021.05
5.6.150.0100.08021.05
5.6.140.0070.09021.10
5.6.130.0130.07320.97
5.6.120.0130.07721.14
5.6.110.0070.08321.04
5.6.100.0170.05021.10
5.6.90.0000.09021.11
5.6.80.0000.07720.51
5.6.70.0100.07720.52
5.6.60.0070.07320.50
5.6.50.0030.05020.51
5.6.40.0200.06320.33
5.6.30.0070.07320.49
5.6.20.0030.05720.34
5.6.10.0030.05020.50
5.6.00.0130.05320.47
5.5.380.0070.04720.46
5.5.370.0070.08320.59
5.5.360.0100.08020.33
5.5.350.0070.08720.46
5.5.340.0070.08020.83
5.5.330.0100.07720.80
5.5.320.0100.07720.93
5.5.310.0130.07020.98
5.5.300.0100.07720.77
5.5.290.0100.07020.99
5.5.280.0170.07720.94
5.5.270.0070.08020.82
5.5.260.0070.05020.91
5.5.250.0100.07720.73
5.5.240.0100.07720.22
5.5.230.0170.07020.41
5.5.220.0170.07020.31
5.5.210.0070.04320.23
5.5.200.0130.04020.30
5.5.190.0070.05720.07
5.5.180.0030.06020.11
5.5.160.0100.07320.21
5.5.150.0130.03320.20
5.5.140.0170.06320.34
5.5.130.0130.08720.06
5.5.120.0070.04320.12
5.5.110.0000.04320.18
5.5.100.0030.05720.11
5.5.90.0030.05320.22
5.5.80.0130.04020.10
5.5.70.0000.04020.01
5.5.60.0000.04320.00
5.5.50.0000.04720.20
5.5.40.0030.03720.03
5.5.30.0000.03720.19
5.5.20.0070.04020.16
5.5.10.0070.04020.06
5.5.00.0100.06720.08
5.4.450.0030.08319.52
5.4.440.0070.07319.44
5.4.430.0030.08719.44
5.4.420.0100.07719.48
5.4.410.0130.07019.23
5.4.400.0030.04019.21
5.4.390.0100.06019.02
5.4.380.0070.07719.19
5.4.370.0030.07319.03
5.4.360.0030.05319.19
5.4.350.0070.08019.19
5.4.340.0000.07019.01
5.4.320.0070.04018.87
5.4.310.0100.03719.19
5.4.300.0130.06319.19
5.4.290.0130.05319.03
5.4.280.0070.04719.35
5.4.270.0030.04019.16
5.4.260.0030.04019.18
5.4.250.0070.03319.18
5.4.240.0070.03319.20
5.4.230.0000.04719.01
5.4.220.0100.03019.37
5.4.210.0030.03319.18
5.4.200.0000.04019.18
5.4.190.0030.03719.18
5.4.180.0070.03319.35
5.4.170.0100.06019.15
5.4.160.0030.03719.15
5.4.150.0030.05019.34
5.4.140.0030.04716.34
5.4.130.0030.03716.47
5.4.120.0100.02716.35
5.4.110.0070.03316.38
5.4.100.0030.05016.52
5.4.90.0000.03316.54
5.4.80.0070.05716.48
5.4.70.0070.03316.61
5.4.60.0000.04016.38
5.4.50.0000.03716.27
5.4.40.0030.03716.48
5.4.30.0130.02316.47
5.4.20.0000.03716.34
5.4.10.0030.03316.24
5.4.00.0070.03015.82

preferences:
73.59 ms | 401 KiB | 5 Q