3v4l.org

run code in 300+ PHP versions simultaneously
<?php class str {function __toString(){return "9";}} echo (int) method_exists('str', '__toString');

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)
8.3.40.0100.01018.84
8.3.30.0120.00318.93
8.3.20.0030.00620.34
8.3.10.0000.00721.86
8.3.00.0080.00017.80
8.2.170.0060.01222.96
8.2.160.0080.00520.39
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00519.16
8.2.110.0060.00322.11
8.2.100.0040.00717.97
8.2.90.0030.00519.09
8.2.80.0000.00917.97
8.2.70.0000.00817.50
8.2.60.0000.00917.91
8.2.50.0060.00318.07
8.2.40.0060.00318.09
8.2.30.0040.00418.07
8.2.20.0050.00217.68
8.2.10.0030.00518.06
8.2.00.0040.00417.50
8.1.270.0100.00623.92
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.79
8.1.230.0040.00719.00
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0060.00317.34
8.1.190.0040.00416.98
8.1.180.0040.00418.10
8.1.170.0080.00018.49
8.1.160.0050.00222.08
8.1.150.0000.00718.86
8.1.140.0000.00817.44
8.1.130.0040.00417.75
8.1.120.0000.00717.40
8.1.110.0030.00617.30
8.1.100.0000.00717.29
8.1.90.0060.00317.39
8.1.80.0080.00017.37
8.1.70.0000.00717.38
8.1.60.0030.00517.54
8.1.50.0000.00817.34
8.1.40.0040.00417.38
8.1.30.0030.00617.52
8.1.20.0050.00217.57
8.1.10.0000.00817.45
8.1.00.0030.00617.27
8.0.300.0060.00318.77
8.0.290.0080.00016.63
8.0.280.0050.00318.29
8.0.270.0070.00017.15
8.0.260.0000.00617.19
8.0.250.0000.00716.83
8.0.240.0000.00816.86
8.0.230.0030.00316.79
8.0.220.0000.00816.72
8.0.210.0040.00416.89
8.0.200.0040.00416.86
8.0.190.0050.00216.87
8.0.180.0020.00516.87
8.0.170.0000.00816.79
8.0.160.0070.00016.73
8.0.150.0000.00716.78
8.0.140.0040.00416.82
8.0.130.0030.00313.30
8.0.120.0030.00516.78
8.0.110.0070.00016.83
8.0.100.0070.00016.78
8.0.90.0000.00716.86
8.0.80.0120.00916.89
8.0.70.0040.00416.84
8.0.60.0000.00716.75
8.0.50.0040.00416.63
8.0.30.0070.01517.00
8.0.20.0070.01217.40
8.0.10.0040.00416.98
8.0.00.0150.00316.63
7.4.330.0000.00515.06
7.4.320.0040.00416.41
7.4.300.0000.00616.53
7.4.290.0070.00016.45
7.4.280.0050.00316.43
7.4.270.0030.00516.38
7.4.260.0070.00016.51
7.4.250.0040.00416.51
7.4.240.0030.00316.39
7.4.230.0030.00316.63
7.4.220.0090.00916.46
7.4.210.0030.01016.54
7.4.200.0070.00016.50
7.4.160.0070.00716.19
7.4.150.0120.00617.40
7.4.140.0080.01017.86
7.4.130.0090.00716.28
7.4.120.0100.00716.29
7.4.110.0140.00716.64
7.4.100.0100.00716.35
7.4.90.0110.00516.43
7.4.80.0120.02519.39
7.4.70.0090.00616.43
7.4.60.0040.01416.35
7.4.50.0030.00516.45
7.4.40.0110.00416.34
7.4.30.0140.00316.21
7.4.00.0090.00315.04
7.3.330.0040.00413.09
7.3.320.0020.00213.24
7.3.310.0030.00316.22
7.3.300.0000.00616.24
7.3.290.0070.00716.23
7.3.280.0100.01016.20
7.3.270.0080.00817.40
7.3.260.0090.00916.23
7.3.250.0100.01116.40
7.3.240.0150.00016.15
7.3.230.0090.00616.41
7.3.210.0130.00316.21
7.3.200.0150.00619.39
7.3.190.0070.01116.43
7.3.180.0060.01016.57
7.3.170.0090.00616.44
7.3.160.0090.00616.31
7.3.120.0030.01214.57
7.3.10.0090.00016.55
7.3.00.0170.00016.53
7.2.330.0090.00916.40
7.2.320.0100.00716.39
7.2.310.0070.01016.55
7.2.300.0110.00616.53
7.2.290.0030.01316.67
7.2.130.0060.00616.46
7.2.120.0030.01016.22
7.2.110.0070.00716.59
7.2.100.0000.00916.45
7.2.90.0090.00616.54
7.2.80.0150.00016.49
7.2.70.0080.00416.45
7.2.60.0060.00916.46
7.2.50.0250.00016.46
7.2.40.0080.00416.64
7.2.30.0110.00016.69
7.2.20.0060.00916.55
7.2.10.0070.00316.30
7.2.00.0100.00016.86
7.1.250.0060.00615.27
7.1.70.0040.00417.08
7.1.60.0140.01119.25
7.1.50.0200.01634.72
7.1.00.0070.07322.30
7.0.200.0040.00416.50
7.0.140.0070.07022.08
7.0.60.0070.08320.02
7.0.50.0000.06317.89
7.0.40.0030.04320.22
7.0.30.0330.07020.07
7.0.20.0270.07720.16
7.0.10.0000.09320.12
7.0.00.0130.08020.10
5.6.280.0070.06721.07
5.6.210.0030.08320.71
5.6.200.0030.06718.14
5.6.190.0100.05020.58
5.6.180.3800.04720.63
5.6.170.0300.08020.58
5.6.160.0130.07320.71
5.6.150.0130.08018.19
5.6.140.0070.07318.19
5.6.130.0000.07018.11
5.6.120.0100.06320.97
5.6.110.0200.07321.09
5.6.100.0000.09320.99
5.6.90.0130.07721.08
5.6.80.0070.06320.41
5.5.350.0170.08720.44
5.5.340.0100.06017.95
5.5.330.0070.06720.40
5.5.320.3200.04320.38
5.5.310.0100.04720.34
5.5.300.0070.08018.02
5.5.290.0070.05018.05
5.5.280.0170.07720.72
5.5.270.0070.08020.78
5.5.260.0070.04320.79
5.5.250.0000.04320.79
5.5.240.4230.03720.24
5.4.450.1170.06019.17
5.4.440.0830.07019.19
5.4.430.0700.06019.47
5.4.420.0200.06719.21
5.4.410.0100.08319.31
5.4.400.0130.06019.13
5.4.390.0200.04319.07
5.4.380.0170.05018.98
5.4.370.0030.06019.13
5.4.360.0070.05719.13
5.4.350.0170.05319.12
5.4.340.0060.04412.02
5.4.320.0070.03512.50
5.4.310.0070.04012.50
5.4.300.0070.04212.50
5.4.290.0070.04212.50
5.4.280.0090.04412.39
5.4.270.0050.04412.39
5.4.260.0070.04612.39
5.4.250.0100.04912.39
5.4.240.0060.04612.39
5.4.230.0090.04512.38
5.4.220.0070.03912.39
5.4.210.0060.04012.38
5.4.200.0070.03712.39
5.4.190.0100.03312.38
5.4.180.0080.03712.38
5.4.170.0110.03312.39
5.4.160.0060.03812.39
5.4.150.0050.03912.39
5.4.140.0050.04012.07
5.4.130.0070.03512.06
5.4.120.0050.05612.02
5.4.110.0060.04112.01
5.4.100.0070.04012.01
5.4.90.0070.03612.02
5.4.80.0070.04312.02
5.4.70.0100.03312.01
5.4.60.0100.03712.01
5.4.50.0050.03612.01
5.4.40.0040.03612.00
5.4.30.0050.03512.00
5.4.20.0060.03411.99
5.4.10.0060.03312.00
5.4.00.0050.03611.48
5.3.290.0040.04212.80
5.3.280.0070.03612.70
5.3.270.0060.03812.73
5.3.260.0030.04112.72
5.3.250.0060.03712.72
5.3.240.0060.03712.72
5.3.230.0070.03812.71
5.3.220.0070.03512.68
5.3.210.0090.03612.68
5.3.200.0090.03412.68
5.3.190.0070.03712.68
5.3.180.0050.03812.68
5.3.170.0070.03512.67
5.3.160.0060.03712.67
5.3.150.0090.03312.67
5.3.140.0050.03712.66
5.3.130.0060.03812.66
5.3.120.0030.04012.66
5.3.110.0050.03912.66
5.3.100.0140.03012.12
5.3.90.0070.03512.10
5.3.80.0070.03612.09
5.3.70.0040.03812.09
5.3.60.0060.03612.07
5.3.50.0040.03712.02
5.3.40.0010.04112.02
5.3.30.0080.03311.98
5.3.20.0090.04511.75
5.3.10.0100.04611.73
5.3.00.0070.03711.71
5.2.170.0040.0319.21
5.2.160.0050.0299.21
5.2.150.0050.0299.22
5.2.140.0070.0289.21
5.2.130.0040.0309.17
5.2.120.0040.0299.17
5.2.110.0040.0349.17
5.2.100.0060.0289.17
5.2.90.0040.0299.17
5.2.80.0020.0339.17
5.2.70.0070.0289.17
5.2.60.0080.0299.13
5.2.50.0070.0309.09
5.2.40.0080.0269.07
5.2.30.0040.0339.04
5.2.20.0100.0279.03
5.2.10.0050.0298.94
5.2.00.0050.0298.80
5.1.60.0060.0228.09
5.1.50.0070.0228.08
5.1.40.0020.0288.06
5.1.30.0070.0248.41
5.1.20.0060.0318.43
5.1.10.0050.0298.16
5.1.00.0050.0248.16
5.0.50.0050.0276.63
5.0.40.0060.0256.50
5.0.30.0050.0366.30
5.0.20.0030.0246.27
5.0.10.0050.0256.25
5.0.00.0080.0326.24
4.4.90.0040.0164.78
4.4.80.0010.0184.75
4.4.70.0030.0174.76
4.4.60.0030.0174.75
4.4.50.0040.0154.77
4.4.40.0040.0274.71
4.4.30.0010.0204.76
4.4.20.0020.0164.84
4.4.10.0030.0164.84
4.4.00.0030.0254.76
4.3.110.0020.0164.66
4.3.100.0060.0124.66
4.3.90.0040.0144.63
4.3.80.0050.0224.58
4.3.70.0040.0144.63
4.3.60.0030.0144.63
4.3.50.0050.0134.63
4.3.40.0020.0254.54
4.3.30.0030.0173.29
4.3.20.0020.0163.27
4.3.10.0000.0183.23
4.3.00.0130.0207.58

preferences:
40.32 ms | 400 KiB | 5 Q