3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_enconde(array('testing' => 'test'));

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)
8.3.40.0070.00718.57
8.3.30.0070.00718.84
8.3.20.0070.00020.15
8.3.10.0070.00023.67
8.3.00.0040.00420.70
8.2.170.0180.00022.96
8.2.160.0100.00722.27
8.2.150.0080.00024.18
8.2.140.0100.01024.66
8.2.130.0000.00726.16
8.2.120.0090.00319.36
8.2.110.0100.00022.11
8.2.100.0000.01117.72
8.2.90.0000.00918.96
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0080.00017.80
8.2.50.0050.00318.07
8.2.40.0060.00318.09
8.2.30.0040.00417.92
8.2.20.0000.00717.61
8.2.10.0030.00519.47
8.2.00.0050.00217.65
8.1.270.0040.00423.70
8.1.260.0040.00426.35
8.1.250.0090.00628.09
8.1.240.0030.00723.85
8.1.230.0070.00319.08
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0000.01117.35
8.1.190.0000.00717.50
8.1.180.0060.00318.10
8.1.170.0000.00818.39
8.1.160.0040.00421.86
8.1.150.0050.00218.50
8.1.140.0040.00417.30
8.1.130.0090.00017.71
8.1.120.0040.00417.39
8.1.110.0040.00417.20
8.1.100.0020.00517.22
8.1.90.0030.00317.30
8.1.80.0020.00517.34
8.1.70.0000.00817.24
8.1.60.0050.00317.35
8.1.50.0040.00517.33
8.1.40.0030.00617.38
8.1.30.0050.00217.48
8.1.20.0000.00817.58
8.1.10.0040.00417.39
8.1.00.0080.00017.46
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0030.00318.37
8.0.270.0040.00417.23
8.0.260.0030.00316.80
8.0.250.0030.00316.94
8.0.240.0030.00316.92
8.0.230.0030.00316.97
8.0.220.0000.00716.84
8.0.210.0070.00016.79
8.0.200.0000.00716.95
8.0.190.0030.00316.88
8.0.180.0040.00416.89
8.0.170.0030.00516.96
8.0.160.0000.00716.78
8.0.150.0040.00416.73
8.0.140.0040.00416.87
8.0.130.0000.00513.34
8.0.120.0040.00416.82
8.0.110.0040.00416.88
8.0.100.0070.00016.86
8.0.90.0030.00316.94
8.0.80.0080.00816.90
8.0.70.0040.00416.93
8.0.60.0040.00416.86
8.0.50.0000.00716.92
8.0.30.0120.00816.88
8.0.20.0100.00817.40
8.0.10.0040.00316.80
8.0.00.0070.01016.59
7.4.330.0050.00015.03
7.4.320.0030.00316.47
7.4.300.0030.00316.43
7.4.290.0030.00316.50
7.4.280.0070.00016.33
7.4.270.0030.00316.53
7.4.260.0020.00516.31
7.4.250.0000.00716.39
7.4.240.0020.00516.46
7.4.230.0050.00216.59
7.4.220.0030.01316.63
7.4.210.0060.00816.46
7.4.200.0030.00316.50
7.4.190.0000.00716.43
7.4.160.0100.00616.36
7.4.150.0120.00517.40
7.4.140.0080.00817.86
7.4.130.0070.01316.52
7.4.120.0100.00716.54
7.4.110.0090.00616.61
7.4.100.0070.01116.38
7.4.90.0070.01016.51
7.4.80.0090.01316.49
7.4.70.0090.00916.51
7.4.60.0160.00016.39
7.4.50.0040.00416.55
7.4.40.0070.01122.77
7.4.30.0030.01716.48
7.4.00.0070.00714.73
7.3.330.0030.00313.09
7.3.320.0050.00013.05
7.3.310.0030.00316.06
7.3.300.0030.00316.26
7.3.290.0040.01116.21
7.3.280.0050.01316.24
7.3.270.0120.00617.40
7.3.260.0150.00916.24
7.3.250.0110.00816.40
7.3.240.0060.01016.25
7.3.230.0090.00616.39
7.3.210.0100.00716.36
7.3.200.0140.00619.39
7.3.190.0070.01016.21
7.3.180.0110.00416.43
7.3.170.0090.00616.27
7.3.160.0060.00916.18
7.3.120.0060.00614.62
7.2.330.0070.01116.34
7.2.320.0090.00916.24
7.2.310.0070.01016.37
7.2.300.0050.01116.50
7.2.290.0060.01316.52
7.2.60.0090.00616.50
7.2.00.0000.01519.14
7.1.200.0070.00315.47
7.1.100.0030.00917.94
7.1.70.0070.00716.94
7.1.60.0060.01819.32
7.1.50.0040.00816.52
7.1.00.0000.08022.41
7.0.200.0030.01116.68
7.0.140.0000.07322.09
7.0.60.0030.05719.96
7.0.50.0030.08017.82
7.0.40.0130.07720.21
7.0.30.0300.04020.20
7.0.20.0300.08020.20
7.0.10.0100.05720.00
7.0.00.0070.09020.12
5.6.280.0000.07720.85
5.6.210.0030.04320.52
5.6.200.0030.04018.15
5.6.190.0070.06720.54
5.6.180.0470.02720.56
5.6.170.0470.06320.62
5.6.160.0100.07320.50
5.6.150.0030.08018.13
5.6.140.0100.04718.18
5.6.130.0000.09318.21
5.6.120.0070.08321.00
5.6.110.0100.06021.02
5.6.100.0170.07021.05
5.6.90.0000.09320.99
5.6.80.0030.08020.53
5.5.350.0030.07720.45
5.5.340.0000.05717.89
5.5.330.0070.04020.13
5.5.320.0230.04720.20
5.5.310.0430.07020.21
5.5.300.0070.08017.91
5.5.290.0100.07717.98
5.5.280.0200.07320.97
5.5.270.0100.05320.84
5.5.260.0130.05720.86
5.5.250.0070.03720.77
5.5.240.0070.07320.34
5.4.450.0730.04319.13
5.4.440.0270.05019.46
5.4.430.0670.04719.13
5.4.420.0600.04319.45
5.4.410.0300.03319.32
5.4.400.1000.05018.62
5.4.390.1230.04318.46
5.4.380.0100.06018.58
5.4.370.0300.04318.64
5.4.360.0170.05318.59
5.4.350.0230.05718.67
5.4.340.0200.05018.70
5.4.320.0030.04012.45
5.4.310.0050.03712.45
5.4.300.0040.03812.46
5.4.290.0050.03912.45
5.4.280.0100.04312.32
5.4.270.0160.05812.32
5.4.260.0050.04112.32
5.4.250.0080.04512.32
5.4.240.0100.04512.32
5.4.230.0100.04612.31
5.4.220.0050.04012.31
5.4.210.0090.04612.31
5.4.200.0080.04012.31
5.4.190.0070.03512.31
5.4.180.0060.03712.30
5.4.170.0100.03612.32
5.4.160.0080.04312.32
5.4.150.0080.03912.31
5.4.140.0100.04811.99
5.4.130.0060.03811.98
5.4.120.0040.03811.94
5.4.110.0110.03211.93
5.4.100.0070.03611.94
5.4.90.0090.03311.93
5.4.80.0060.03611.93
5.4.70.0100.03111.93
5.4.60.0070.03411.93
5.4.50.0070.04311.93
5.4.40.0090.03811.92
5.4.30.0100.03411.92
5.4.20.0110.04411.92
5.4.10.0060.03711.92
5.4.00.0070.03511.41
5.3.290.0040.04112.80
5.3.280.0050.03812.71
5.3.270.0100.03412.73
5.3.260.0050.03912.72
5.3.250.0040.03912.72
5.3.240.0070.03512.72
5.3.230.0060.03812.71
5.3.220.0090.04612.68
5.3.210.0090.04412.68
5.3.200.0110.03912.68
5.3.190.0100.04412.68
5.3.180.0070.04612.67
5.3.170.0080.04312.67
5.3.160.0090.03712.68
5.3.150.0090.04212.67
5.3.140.0060.03512.66
5.3.130.0050.04012.66
5.3.120.0050.04112.66
5.3.110.0040.04212.65
5.3.100.0090.04212.11
5.3.90.0060.03612.09
5.3.80.0070.03712.07
5.3.70.0070.04712.07
5.3.60.0070.04412.06
5.3.50.0080.03812.00
5.3.40.0100.04312.00
5.3.30.0050.03611.93
5.3.20.0060.03811.70
5.3.10.0030.03711.66
5.3.00.0090.03411.66
5.2.170.0050.0309.15
5.2.160.0040.0389.15
5.2.150.0020.0339.15
5.2.140.0020.0339.15
5.2.130.0060.0289.11
5.2.120.0050.0289.11
5.2.110.0070.0289.11
5.2.100.0040.0309.11
5.2.90.0070.0359.11
5.2.80.0100.0289.10
5.2.70.0070.0379.10
5.2.60.0050.0349.05
5.2.50.0080.0289.03
5.2.40.0090.0249.00
5.2.30.0030.0328.98
5.2.20.0050.0288.96
5.2.10.0010.0318.90
5.2.00.0030.0308.75
5.1.60.0060.0228.04
5.1.50.0070.0298.04
5.1.40.0060.0238.02
5.1.30.0030.0278.37
5.1.20.0050.0258.39
5.1.10.0060.0238.11
5.1.00.0010.0288.12
5.0.50.0030.0206.59
5.0.40.0050.0176.46
5.0.30.0020.0336.26
5.0.20.0020.0216.24
5.0.10.0040.0206.21
5.0.00.0040.0296.20
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0000.0184.75
4.4.60.0030.0144.76
4.4.50.0010.0174.77
4.4.40.0020.0264.71
4.4.30.0050.0194.76
4.4.20.0010.0184.84
4.4.10.0030.0144.85
4.4.00.0040.0294.76
4.3.110.0040.0144.67
4.3.100.0020.0184.66
4.3.90.0030.0154.63
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0050.0124.63
4.3.50.0030.0154.63
4.3.40.0010.0254.54
4.3.30.0020.0163.27
4.3.20.0000.0183.24
4.3.10.0010.0163.21
4.3.00.0200.01715.44

preferences:
43.57 ms | 400 KiB | 5 Q