3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Base { private function privateMethod() { } } class Child extends Base{ public function publicMethod() { } } $c = new Child(); if (method_exists($c, 'privateMethod')) { echo 1; }else{ echo 0; }

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)
8.3.60.0070.01416.38
8.3.50.0260.00621.93
8.3.40.0060.00918.68
8.3.30.0040.01119.09
8.3.20.0000.00720.27
8.3.10.0040.00718.39
8.3.00.0080.00019.38
8.2.180.0120.00418.17
8.2.170.0030.01022.96
8.2.160.0000.01320.39
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0100.00721.18
8.2.110.0060.00320.56
8.2.100.0050.00817.91
8.2.90.0040.00418.15
8.2.80.0000.00917.97
8.2.70.0030.00717.63
8.2.60.0000.00818.03
8.2.50.0030.00618.07
8.2.40.0040.00419.95
8.2.30.0080.00318.29
8.2.20.0090.00017.52
8.2.10.0050.00317.86
8.2.00.0000.00717.61
8.1.280.0090.00625.92
8.1.270.0090.00020.70
8.1.260.0080.00026.35
8.1.250.0090.00028.09
8.1.240.0030.00622.15
8.1.230.0070.00420.93
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0060.00318.50
8.1.160.0070.00422.00
8.1.150.0060.00318.62
8.1.140.0040.00417.30
8.1.130.0040.00417.72
8.1.120.0000.00717.36
8.1.110.0050.00317.28
8.1.100.0000.00717.28
8.1.90.0000.00817.31
8.1.80.0030.00717.34
8.1.70.0030.00317.27
8.1.60.0040.00417.54
8.1.50.0080.00017.35
8.1.40.0070.00017.44
8.1.30.0060.00317.57
8.1.20.0040.00417.53
8.1.10.0000.00817.54
8.1.00.0000.00717.35
8.0.300.0030.00320.21
8.0.290.0080.00016.88
8.0.280.0070.00018.42
8.0.270.0040.00417.92
8.0.260.0030.00317.25
8.0.250.0000.00816.96
8.0.240.0000.00716.88
8.0.230.0080.00016.89
8.0.220.0030.00316.84
8.0.210.0000.00816.78
8.0.200.0000.00716.77
8.0.190.0000.00716.90
8.0.180.0030.00516.81
8.0.170.0000.00716.90
8.0.160.0050.00316.71
8.0.150.0030.00516.77
8.0.140.0000.00716.78
8.0.130.0000.00513.20
8.0.120.0070.00016.75
8.0.110.0000.00716.83
8.0.100.0030.00316.65
8.0.90.0000.00716.94
8.0.80.0060.00916.71
8.0.70.0070.00016.73
8.0.60.0070.00016.65
8.0.50.0000.00716.86
8.0.30.0130.00717.02
8.0.20.0130.00617.40
8.0.10.0040.00416.81
8.0.00.0070.01216.65
7.4.330.0030.00515.02
7.4.320.0060.00016.55
7.4.300.0070.00016.42
7.4.290.0070.00016.59
7.4.280.0000.01216.45
7.4.270.0000.00716.45
7.4.260.0030.00616.52
7.4.250.0000.00716.41
7.4.240.0040.00416.38
7.4.230.0000.00716.32
7.4.220.0100.00716.59
7.4.210.0110.00316.61
7.4.200.0060.00316.39
7.4.160.0190.00016.61
7.4.150.0110.00717.40
7.4.140.0160.00517.86
7.4.130.0160.00616.38
7.4.120.0060.01216.39
7.4.110.0090.00916.57
7.4.100.0030.01416.37
7.4.90.0070.01016.48
7.4.80.0130.00419.39
7.4.70.0070.01016.43
7.4.60.0170.00016.62
7.4.50.0020.00216.48
7.4.40.0120.00616.46
7.4.30.0140.00316.54
7.4.00.0120.00614.90
7.3.330.0000.00513.24
7.3.320.0030.00313.20
7.3.310.0000.00716.18
7.3.300.0060.00016.16
7.3.290.0060.00816.18
7.3.280.0080.00816.15
7.3.270.0140.00317.40
7.3.260.0100.00716.49
7.3.240.0120.00916.29
7.3.230.0100.01016.39
7.3.210.0070.01016.39
7.3.200.0060.01319.39
7.3.190.0090.00816.25
7.3.180.0140.00716.50
7.3.170.0110.00616.27
7.3.160.0070.00816.33
7.3.10.0030.00916.29
7.3.00.0000.01316.59
7.2.330.0130.00616.54
7.2.320.0110.00516.45
7.2.310.0090.01216.67
7.2.300.0060.01216.63
7.2.290.0070.01016.46
7.2.130.0030.00616.50
7.2.120.0000.01416.83
7.2.110.0030.00616.98
7.2.100.0030.00916.86
7.2.90.0030.01216.81
7.2.80.0050.00816.79
7.2.70.0060.00616.70
7.2.60.0000.01216.94
7.2.50.0040.00816.57
7.2.40.0040.00716.97
7.2.30.0030.01016.91
7.2.20.0030.01016.84
7.2.10.0030.00616.68
7.2.00.0080.00917.93
7.1.250.0030.00915.73
7.1.100.0090.00318.13
7.1.70.0190.01017.16
7.1.60.0060.01919.32
7.1.50.0040.00716.87
7.1.00.0030.07722.37
7.0.200.0000.00716.91
7.0.140.0030.07022.09
7.0.60.0070.04019.88
7.0.50.0030.08017.83
7.0.40.0100.07720.11
7.0.30.0170.04720.16
7.0.20.0130.04720.33
7.0.10.0070.05020.07
7.0.00.0070.06320.36
5.6.280.0100.07021.10
5.6.210.0100.06020.64
5.6.200.0070.08718.18
5.6.190.0100.04720.41
5.6.180.0270.07720.46
5.6.170.0100.04720.47
5.6.160.0030.04720.52
5.6.150.0070.07018.29
5.6.140.0070.05318.26
5.6.130.0030.08318.12
5.6.120.0130.07021.12
5.6.110.0000.08721.04
5.6.100.0000.08021.11
5.6.90.0100.06321.03
5.6.80.0070.08020.38
5.6.70.0270.04720.37
5.5.350.0030.08020.50
5.5.340.0070.08318.03
5.5.330.0070.07720.19
5.5.320.0400.06720.34
5.5.310.0300.07320.36
5.5.300.0030.05717.93
5.5.290.0130.03017.95
5.5.280.0000.04720.98
5.5.270.0030.09020.86
5.5.260.0100.07720.74
5.5.250.0100.06720.57
5.5.240.2900.04320.28
5.4.450.1130.04319.32
5.4.440.0300.07319.32
5.4.430.1170.05019.29
5.4.420.0100.05319.52
5.4.410.0030.06019.26
5.4.400.0830.05318.66
5.4.390.1200.07018.56
5.4.380.0200.07018.59
5.4.370.0930.05718.56
5.4.360.0900.05718.74
5.4.350.0060.03612.02
5.4.340.0040.04112.01
5.4.320.0020.04212.50
5.4.310.0080.04112.50
5.4.300.0060.04412.50
5.4.290.0060.03912.50
5.4.280.0060.04112.39
5.4.270.0080.03912.39
5.4.260.0030.04112.39
5.4.250.0070.03712.39
5.4.240.0060.03812.39
5.4.230.0100.03912.39
5.4.220.0060.04012.38
5.4.210.0060.03912.39
5.4.200.0080.05012.39
5.4.190.0060.04112.38
5.4.180.0090.03612.38
5.4.170.0070.03712.39
5.4.160.0070.03612.39
5.4.150.0050.03912.38
5.4.140.0100.03312.07
5.4.130.0080.03512.06
5.4.120.0060.03812.02
5.4.110.0070.03412.01
5.4.100.0080.03512.01
5.4.90.0090.03612.01
5.4.80.0060.03712.02
5.4.70.0050.03512.01
5.4.60.0040.03712.01
5.4.50.0080.03212.01
5.4.40.0070.03512.00
5.4.30.0030.04212.00
5.4.20.0060.03611.99
5.4.10.0070.03312.00
5.4.00.0090.03311.48
5.3.290.0070.03912.80
5.3.280.0130.03712.71
5.3.270.0050.04512.72
5.3.260.0100.03912.72
5.3.250.0070.04112.71
5.3.240.0070.04212.72
5.3.230.0050.04412.71
5.3.220.0100.04012.68
5.3.210.0100.04012.68
5.3.200.0100.03712.68
5.3.190.0070.03712.68
5.3.180.0060.04112.67
5.3.170.0060.03812.67
5.3.160.0060.03912.67
5.3.150.0100.03512.68
5.3.140.0070.04912.66
5.3.130.0050.04312.66
5.3.120.0110.03912.66
5.3.110.0110.03912.66
5.3.100.0070.04012.12
5.3.90.0060.04112.10
5.3.80.0080.03512.10
5.3.70.0110.03312.09
5.3.60.0120.03012.08
5.3.50.0100.03512.02
5.3.40.0070.04212.03
5.3.30.0120.03111.98
5.3.20.0070.03611.76
5.3.10.0070.03511.73
5.3.00.0030.04111.72
5.2.170.0050.0319.22
5.2.160.0090.0299.23
5.2.150.0060.0309.23
5.2.140.0080.0319.22
5.2.130.0040.0329.18
5.2.120.0070.0289.18
5.2.110.0090.0269.19
5.2.100.0060.0279.18
5.2.90.0070.0309.18
5.2.80.0050.0339.17
5.2.70.0070.0409.17
5.2.60.0090.0389.13
5.2.50.0040.0429.10
5.2.40.0040.0409.07
5.2.30.0060.0409.05
5.2.20.0040.0359.04
5.2.10.0040.0338.94
5.2.00.0040.0348.80
5.1.60.0080.0248.09
5.1.50.0060.0238.09
5.1.40.0040.0248.06
5.1.30.0060.0248.42
5.1.20.0040.0278.44
5.1.10.0060.0268.16
5.1.00.0030.0278.16
5.0.50.0020.0226.64
5.0.40.0060.0176.50
5.0.30.0050.0316.31
5.0.20.0050.0186.28
5.0.10.0060.0176.25
5.0.00.0050.0296.25
4.4.90.0010.0174.78
4.4.80.0020.0174.75
4.4.70.0040.0164.75
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0050.0144.76
4.4.20.0010.0194.84
4.4.10.0030.0184.85
4.4.00.0030.0274.76
4.3.110.0030.0174.67
4.3.100.0060.0134.66
4.3.90.0050.0134.63
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0010.0164.63
4.3.50.0040.0144.63
4.3.40.0010.0264.54
4.3.30.0020.0163.30
4.3.20.0020.0173.28
4.3.10.0020.0163.24
4.3.00.0070.02012.50

preferences:
49.07 ms | 401 KiB | 5 Q