3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { function __get($key) {return ($key === 'x') ? 'x' : '';} function __isset($key) {return TRUE;} } $c = new C; var_export(empty($c->x)); 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)
8.3.60.0120.00616.50
8.3.50.0070.01221.21
8.3.40.0070.00718.49
8.3.30.0030.01019.09
8.3.20.0000.00720.18
8.3.10.0050.00321.60
8.3.00.0100.00019.25
8.2.180.0070.01016.38
8.2.170.0100.01022.96
8.2.160.0030.01020.35
8.2.150.0040.01524.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0040.00422.11
8.2.110.0000.00822.25
8.2.100.0040.00817.97
8.2.90.0050.00319.22
8.2.80.0000.00917.97
8.2.70.0040.00417.37
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00419.59
8.2.30.0000.00818.05
8.2.20.0040.00417.72
8.2.10.0000.00717.98
8.2.00.0040.00417.68
8.1.280.0040.01125.92
8.1.270.0040.01422.14
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00322.81
8.1.230.0160.00017.64
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0070.00317.35
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0090.00018.59
8.1.160.0000.00721.94
8.1.150.0040.00418.88
8.1.140.0030.00517.39
8.1.130.0000.00717.79
8.1.120.0000.00717.36
8.1.110.0030.00517.41
8.1.100.0030.00317.43
8.1.90.0040.00417.39
8.1.80.0040.00417.27
8.1.70.0040.00417.27
8.1.60.0040.00417.57
8.1.50.0040.00417.39
8.1.40.0040.00417.51
8.1.30.0080.00017.65
8.1.20.0040.00417.63
8.1.10.0000.00717.53
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.44
8.0.270.0030.00317.24
8.0.260.0000.00617.10
8.0.250.0030.00316.93
8.0.240.0040.00416.87
8.0.230.0030.00316.78
8.0.220.0030.00316.84
8.0.210.0000.00716.78
8.0.200.0040.00416.84
8.0.190.0040.00416.87
8.0.180.0000.00716.75
8.0.170.0070.00316.79
8.0.160.0030.00616.89
8.0.150.0040.00416.75
8.0.140.0080.00016.64
8.0.130.0060.00013.17
8.0.120.0040.00416.74
8.0.110.0040.00416.82
8.0.100.0040.00416.88
8.0.90.0040.00416.78
8.0.80.0140.00716.83
8.0.70.0040.00416.71
8.0.60.0040.00416.93
8.0.50.0000.00816.80
8.0.30.0080.01216.90
8.0.20.0120.00517.40
8.0.10.0050.00316.84
8.0.00.0080.00816.67
7.4.330.0000.00515.00
7.4.320.0070.00016.63
7.4.300.0000.00616.57
7.4.290.0070.00016.51
7.4.280.0040.00416.58
7.4.270.0000.00716.48
7.4.260.0030.00516.57
7.4.250.0040.00416.39
7.4.240.0030.00316.49
7.4.230.0000.00716.59
7.4.220.0100.00716.51
7.4.210.0060.00816.66
7.4.200.0040.00416.59
7.4.160.0100.00616.37
7.4.150.0060.01317.40
7.4.140.0120.00917.86
7.4.130.0150.00416.46
7.4.120.0110.00816.51
7.4.110.0120.00616.55
7.4.100.0040.01616.59
7.4.90.0060.01116.51
7.4.80.0060.00919.39
7.4.70.0060.01216.59
7.4.60.0100.00716.57
7.4.50.0060.00016.37
7.4.40.0110.00616.44
7.4.30.0140.00416.35
7.4.00.0030.00915.14
7.3.330.0060.00013.22
7.3.320.0080.00013.32
7.3.310.0020.00516.15
7.3.300.0000.00716.34
7.3.290.0070.00716.29
7.3.280.0080.00816.27
7.3.270.0110.00617.40
7.3.260.0070.01316.30
7.3.250.0120.00516.43
7.3.240.0130.01216.33
7.3.230.0140.00316.43
7.3.210.0090.01216.30
7.3.200.0130.00319.39
7.3.190.0120.00616.55
7.3.180.0090.00616.41
7.3.170.0120.00916.63
7.3.160.0070.01016.37
7.3.120.0080.00614.56
7.3.110.0030.01414.64
7.3.100.0030.00914.80
7.3.90.0060.01014.89
7.3.80.0130.00014.87
7.3.70.0110.00414.71
7.3.60.0040.00814.80
7.3.50.0100.00314.89
7.3.40.0090.00614.68
7.3.30.0030.01314.86
7.3.20.0090.00616.60
7.3.10.0000.01316.68
7.3.00.0060.01016.56
7.2.330.0060.01116.60
7.2.320.0090.00916.44
7.2.310.0080.01116.71
7.2.300.0110.00616.30
7.2.290.0130.01016.60
7.2.240.0070.00714.82
7.2.230.0070.00714.97
7.2.220.0000.01415.18
7.2.210.0110.00415.16
7.2.200.0100.00714.61
7.2.190.0090.00615.11
7.2.180.0040.01115.14
7.2.170.0040.01114.88
7.2.160.0060.00914.72
7.2.150.0000.01316.50
7.2.140.0040.01116.71
7.2.130.0030.01416.89
7.2.120.0000.01016.67
7.2.110.0000.01616.61
7.2.100.0140.00016.62
7.2.90.0060.00916.89
7.2.80.0060.00616.71
7.2.70.0150.00016.71
7.2.60.0060.00616.77
7.2.50.0060.00616.82
7.2.40.0040.00816.86
7.2.30.0070.00716.79
7.2.20.0000.01716.75
7.2.10.0120.00016.95
7.2.00.0060.01117.95
7.1.330.0070.00715.78
7.1.320.0070.00715.39
7.1.310.0030.01115.75
7.1.300.0100.00315.44
7.1.290.0100.00315.68
7.1.280.0060.00515.72
7.1.270.0060.01015.66
7.1.260.0090.00315.88
7.1.250.0030.01015.40
7.1.200.0200.01115.05
7.1.100.0090.00317.81
7.1.70.0050.00516.92
7.1.60.0130.01019.32
7.1.50.0110.01416.86
7.1.00.0000.08022.48
7.0.200.0050.00316.79
7.0.140.0100.07022.10
7.0.60.0130.07719.89
7.0.50.0130.07317.84
7.0.40.0000.09720.28
7.0.30.0230.04720.06
7.0.20.0270.06020.21
7.0.10.0300.04320.15
7.0.00.0100.06020.21
5.6.280.0100.06320.99
5.6.210.0100.07320.57
5.6.200.0000.04718.17
5.6.190.0070.08320.67
5.6.180.3400.04020.67
5.6.170.0230.08020.55
5.6.160.0070.08320.46
5.6.150.0030.04018.15
5.6.140.0000.04318.24
5.6.130.0030.04718.14
5.6.120.0100.08020.99
5.6.110.0070.08720.96
5.6.100.0100.08321.07
5.6.90.0130.07020.97
5.6.80.0070.07720.41
5.6.70.3930.04320.42
5.5.350.0170.04320.41
5.5.340.0130.05317.97
5.5.330.0030.08720.32
5.5.320.0300.06320.19
5.5.310.0230.04720.34
5.5.300.0100.07318.08
5.5.290.0070.05718.03
5.5.280.0030.04020.80
5.5.270.0000.04720.87
5.5.260.0070.06320.96
5.5.250.0000.04320.50
5.5.240.0070.08020.37
5.4.450.1570.05019.31
5.4.440.0700.05719.24
5.4.430.0730.05019.57
5.4.420.0700.00019.21
5.4.410.0630.00019.62
5.4.400.0630.00019.24
5.4.390.0670.00019.21
5.4.380.0670.00019.21
5.4.370.0670.00019.05
5.4.360.0770.00019.07
5.4.350.0670.00019.05
5.4.340.0060.03412.02
5.4.320.0050.03812.50
5.4.310.0020.04512.50
5.4.300.0080.03612.50
5.4.290.0050.03812.50
5.4.280.0050.03612.39
5.4.270.0060.03612.39
5.4.260.0070.03712.39
5.4.250.0030.03912.39
5.4.240.0060.03512.39
5.4.230.0070.03812.39
5.4.220.0060.03512.39
5.4.210.0050.03912.39
5.4.200.0070.03712.39
5.4.190.0040.04212.38
5.4.180.0080.03612.38
5.4.170.0070.04412.39
5.4.160.0030.03912.39
5.4.150.0070.04312.39
5.4.140.0060.04312.07
5.4.130.0060.03812.06
5.4.120.0060.04012.01
5.4.110.0020.04212.01
5.4.100.0070.04012.01
5.4.90.0070.03912.02
5.4.80.0050.03712.01
5.4.70.0030.04312.00
5.4.60.0060.03612.00
5.4.50.0050.04012.01
5.4.40.0050.03412.00
5.4.30.0070.03212.00
5.4.20.0070.03612.00
5.4.10.0050.04811.99
5.4.00.0040.03811.48
5.3.290.0060.03912.80
5.3.280.0050.03812.71
5.3.270.0030.04112.72
5.3.260.0100.03312.72
5.3.250.0040.03812.72
5.3.240.0080.04212.72
5.3.230.0050.04312.71
5.3.220.0060.03712.68
5.3.210.0060.03712.68
5.3.200.0070.04112.68
5.3.190.0090.03712.68
5.3.180.0070.03812.67
5.3.170.0060.03612.67
5.3.160.0030.03912.68
5.3.150.0090.03412.68
5.3.140.0070.03712.66
5.3.130.0090.04312.66
5.3.120.0050.03812.66
5.3.110.0060.04412.66
5.3.100.0050.03612.13
5.3.90.0070.03912.10
5.3.80.0060.04012.09
5.3.70.0060.03512.09
5.3.60.0050.03612.09
5.3.50.0030.04012.03
5.3.40.0000.04412.03
5.3.30.0070.03211.98
5.3.20.0070.03311.77
5.3.10.0070.03511.73
5.3.00.0050.03911.72
5.2.170.0050.0299.22
5.2.160.0060.0349.22
5.2.150.0040.0339.22
5.2.140.0050.0369.22
5.2.130.0040.0339.18
5.2.120.0030.0309.18
5.2.110.0080.0289.19
5.2.100.0050.0389.18
5.2.90.0080.0279.18
5.2.80.0030.0329.17
5.2.70.0040.0319.18
5.2.60.0030.0389.13
5.2.50.0030.0369.10
5.2.40.0060.0279.07
5.2.30.0050.0309.05
5.2.20.0050.0289.04
5.2.10.0040.0298.94
5.2.00.0030.0328.80
5.1.60.0010.0268.09
5.1.50.0030.0268.09
5.1.40.0050.0248.07
5.1.30.0040.0288.42
5.1.20.0050.0268.44
5.1.10.0040.0288.17
5.1.00.0040.0378.17
5.0.50.0030.0276.64
5.0.40.0040.0246.50
5.0.30.0020.0356.32
5.0.20.0030.0256.28
5.0.10.0050.0216.26
5.0.00.0050.0296.25
4.4.90.0050.0204.78
4.4.80.0020.0174.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0030.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0244.84
4.4.10.0040.0174.85
4.4.00.0030.0324.76
4.3.110.0050.0144.66
4.3.100.0030.0154.66
4.3.90.0010.0164.63
4.3.80.0020.0244.58
4.3.70.0020.0204.63
4.3.60.0030.0164.63
4.3.50.0010.0174.62
4.3.40.0030.0244.54
4.3.30.0010.0163.30
4.3.20.0010.0233.29
4.3.10.0020.0163.24
4.3.00.0370.03012.20

preferences:
51.96 ms | 401 KiB | 5 Q