3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { function __get($key) {return ($key === 'x') ? 'x' : '';} function __isset($key) {return $key === 'x' || $key === 'y';} } $c = new C; var_export(empty($c->x)); var_export(empty($c->y)); var_export(empty($c->other));

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)
8.3.60.0040.01216.63
8.3.50.0130.00721.19
8.3.40.0070.00718.70
8.3.30.0070.00719.06
8.3.20.0000.00720.33
8.3.10.0030.00521.73
8.3.00.0080.00019.26
8.2.180.0140.00716.63
8.2.170.0100.00722.96
8.2.160.0100.00320.40
8.2.150.0110.00424.18
8.2.140.0030.00624.66
8.2.130.0000.00826.16
8.2.120.0070.00022.24
8.2.110.0060.00320.53
8.2.100.0120.00017.72
8.2.90.0000.00819.09
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0050.00319.82
8.2.30.0040.00418.13
8.2.20.0030.00517.56
8.2.10.0050.00217.99
8.2.00.0050.00317.62
8.1.280.0000.01425.92
8.1.270.0070.01122.11
8.1.260.0030.00626.35
8.1.250.0000.00728.09
8.1.240.0050.00523.77
8.1.230.0070.00420.73
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0040.00418.57
8.1.160.0000.00722.02
8.1.150.0050.00318.85
8.1.140.0000.00717.50
8.1.130.0030.00317.79
8.1.120.0050.00217.49
8.1.110.0060.00317.44
8.1.100.0000.00717.46
8.1.90.0050.00217.53
8.1.80.0070.00017.45
8.1.70.0070.00017.39
8.1.60.0000.00817.65
8.1.50.0040.00417.45
8.1.40.0060.00317.48
8.1.30.0080.00017.57
8.1.20.0040.00417.70
8.1.10.0050.00217.57
8.1.00.0050.00217.55
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0000.00718.51
8.0.270.0030.00317.16
8.0.260.0000.00617.26
8.0.250.0070.00016.98
8.0.240.0050.00316.95
8.0.230.0000.00716.93
8.0.220.0030.00316.80
8.0.210.0030.00316.91
8.0.200.0040.00317.01
8.0.190.0000.00816.86
8.0.180.0070.00016.87
8.0.170.0030.00516.92
8.0.160.0070.00316.89
8.0.150.0030.00616.84
8.0.140.0000.00716.87
8.0.130.0000.00713.36
8.0.120.0040.00416.76
8.0.110.0000.00816.72
8.0.100.0040.00416.88
8.0.90.0050.00216.80
8.0.80.0070.01416.89
8.0.70.0030.00516.80
8.0.60.0000.00716.69
8.0.50.0050.00316.84
8.0.30.0140.01117.20
8.0.20.0110.00617.40
8.0.10.0000.00717.04
8.0.00.0100.00816.82
7.4.330.0030.00315.14
7.4.320.0040.00416.62
7.4.300.0060.00016.54
7.4.290.0000.00716.58
7.4.280.0040.00416.47
7.4.270.0000.00716.49
7.4.260.0030.00316.53
7.4.250.0000.00716.41
7.4.240.0050.00216.51
7.4.230.0030.00316.56
7.4.220.0050.01416.69
7.4.210.0040.01016.54
7.4.200.0070.00016.70
7.4.160.0120.00416.68
7.4.150.0060.01217.40
7.4.140.0070.01017.86
7.4.130.0040.01516.55
7.4.120.0060.01216.62
7.4.110.0090.00916.49
7.4.100.0110.00716.46
7.4.90.0080.00816.59
7.4.80.0060.01219.39
7.4.70.0140.00616.57
7.4.60.0100.00616.42
7.4.50.0000.00516.20
7.4.40.0000.01616.26
7.4.30.0110.00616.37
7.4.00.0040.01114.99
7.3.330.0000.00513.33
7.3.320.0030.00313.10
7.3.310.0040.00416.34
7.3.300.0030.00316.30
7.3.290.0060.01316.38
7.3.280.0070.00916.26
7.3.270.0090.00917.40
7.3.260.0120.00616.26
7.3.250.0090.00716.46
7.3.240.0120.00816.44
7.3.230.0110.01116.50
7.3.210.0050.01216.39
7.3.200.0150.00319.39
7.3.190.0140.01016.44
7.3.180.0070.01016.55
7.3.170.0090.00916.32
7.3.160.0130.00316.44
7.2.330.0090.00916.62
7.2.320.0090.01516.52
7.2.310.0100.01116.70
7.2.300.0070.01016.30
7.2.290.0190.00416.40
7.2.60.0030.00917.07
7.2.00.0000.01319.54
7.1.200.0030.00315.64
7.1.100.0030.01018.14
7.1.70.0060.00617.10
7.1.60.0070.01719.32
7.1.50.0100.01316.98
7.1.00.0070.07022.36
7.0.200.0040.00416.72
7.0.140.0030.07321.92
7.0.60.0170.07320.03
7.0.50.0070.05017.88
7.0.40.0130.03720.14
7.0.30.0130.05720.11
7.0.20.0170.06720.23
7.0.10.0030.04320.26
7.0.00.0100.07720.25
5.6.280.0030.07321.07
5.6.210.0130.07320.47
5.6.200.0200.07318.25
5.6.190.0130.04020.52
5.6.180.0170.05020.47
5.6.170.0430.07020.43
5.6.160.0030.06020.55
5.6.150.0100.03718.27
5.6.140.0030.08318.18
5.6.130.0030.05018.10
5.6.120.0100.08020.90
5.6.110.0000.07721.09
5.6.100.0100.04720.96
5.6.90.0130.07021.10
5.6.80.0130.07720.38
5.5.350.0130.05320.44
5.5.340.0000.04017.98
5.5.330.0100.05320.44
5.5.320.0270.05720.23
5.5.310.0300.06320.37
5.5.300.0100.03717.95
5.5.290.0170.07317.96
5.5.280.0130.05020.84
5.5.270.0070.08020.77
5.5.260.0100.08320.65
5.5.250.0070.08320.58
5.5.240.0230.07320.19
5.4.450.0970.06019.31
5.4.440.1170.04719.47
5.4.430.1070.07319.63
5.4.420.0630.00019.53
5.4.410.0670.00019.41
5.4.400.0630.00019.09
5.4.390.0630.00019.09
5.4.380.0600.00019.12
5.4.370.0630.00019.02
5.4.360.0600.00019.11
5.4.350.0630.00019.07
5.4.340.0100.03212.02
5.4.320.0080.03612.50
5.4.310.0080.03712.50
5.4.300.0060.03612.50
5.4.290.0110.04112.50
5.4.280.0070.05012.40
5.4.270.0060.04112.39
5.4.260.0050.03912.39
5.4.250.0070.04112.40
5.4.240.0040.04012.40
5.4.230.0050.03912.39
5.4.220.0060.03712.39
5.4.210.0060.04112.38
5.4.200.0090.03512.39
5.4.190.0030.03912.38
5.4.180.0070.03712.39
5.4.170.0050.03612.39
5.4.160.0010.04012.39
5.4.150.0090.03212.39
5.4.140.0060.03712.07
5.4.130.0090.03212.05
5.4.120.0070.03412.02
5.4.110.0070.03312.01
5.4.100.0060.03912.02
5.4.90.0070.04912.01
5.4.80.0070.03912.02
5.4.70.0060.03412.01
5.4.60.0030.03712.01
5.4.50.0030.03812.01
5.4.40.0060.03911.99
5.4.30.0040.03911.99
5.4.20.0050.03511.99
5.4.10.0030.03811.99
5.4.00.0040.03911.48
5.3.290.0050.04012.80
5.3.280.0050.03912.71
5.3.270.0100.03612.73
5.3.260.0040.04112.72
5.3.250.0070.04312.72
5.3.240.0070.03812.72
5.3.230.0030.04012.71
5.3.220.0050.03812.68
5.3.210.0070.03812.68
5.3.200.0060.03712.68
5.3.190.0100.04012.68
5.3.180.0060.03912.68
5.3.170.0100.03712.66
5.3.160.0050.03912.67
5.3.150.0070.03712.68
5.3.140.0050.03712.66
5.3.130.0060.04712.66
5.3.120.0070.04412.66
5.3.110.0070.03712.65
5.3.100.0080.03712.12
5.3.90.0100.03212.10
5.3.80.0050.04012.09
5.3.70.0070.03512.10
5.3.60.0060.03912.08
5.3.50.0070.03312.03
5.3.40.0050.03812.03
5.3.30.0070.03411.98
5.3.20.0080.03711.77
5.3.10.0040.03711.73
5.3.00.0050.03911.72
5.2.170.0060.0329.22
5.2.160.0040.0309.22
5.2.150.0060.0309.23
5.2.140.0040.0319.22
5.2.130.0070.0269.18
5.2.120.0040.0349.18
5.2.110.0080.0269.19
5.2.100.0060.0299.19
5.2.90.0070.0349.18
5.2.80.0040.0319.18
5.2.70.0050.0309.18
5.2.60.0000.0349.13
5.2.50.0020.0339.10
5.2.40.0040.0299.08
5.2.30.0040.0309.05
5.2.20.0010.0349.04
5.2.10.0030.0298.95
5.2.00.0050.0308.80
5.1.60.0060.0268.09
5.1.50.0060.0238.09
5.1.40.0060.0228.07
5.1.30.0060.0248.41
5.1.20.0020.0298.44
5.1.10.0050.0258.17
5.1.00.0060.0288.16
5.0.50.0040.0266.65
5.0.40.0030.0236.50
5.0.30.0060.0346.32
5.0.20.0070.0196.28
5.0.10.0050.0226.26
5.0.00.0030.0346.25
4.4.90.0060.0134.78
4.4.80.0020.0164.75
4.4.70.0030.0154.75
4.4.60.0010.0174.75
4.4.50.0040.0144.77
4.4.40.0030.0304.71
4.4.30.0050.0134.76
4.4.20.0030.0154.85
4.4.10.0040.0174.85
4.4.00.0000.0274.76
4.3.110.0040.0204.66
4.3.100.0010.0174.67
4.3.90.0040.0134.63
4.3.80.0030.0274.58
4.3.70.0020.0164.63
4.3.60.0030.0144.62
4.3.50.0030.0154.63
4.3.40.0040.0244.54
4.3.30.0050.0153.30
4.3.20.0020.0163.28
4.3.10.0010.0173.24
4.3.00.0100.0237.20

preferences:
40.84 ms | 401 KiB | 5 Q