3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TestClass{ public $a = []; public function __set($name, $value) { $a[$name] = $value; } public function __get($name) { return $a[$name]; } } $test = new TestClass(); $test->a = new TestClass(); var_dump(isset($test->a));

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)
8.3.60.0070.00718.43
8.3.50.0120.00921.98
8.3.40.0080.00818.63
8.3.30.0030.01019.01
8.3.20.0040.00420.21
8.3.10.0080.00020.53
8.3.00.0050.00319.38
8.2.180.0070.01118.17
8.2.170.0100.00722.96
8.2.160.0120.00319.18
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00722.09
8.2.110.0030.00622.25
8.2.100.0100.00017.78
8.2.90.0080.00018.97
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0090.00018.22
8.2.30.0000.00717.97
8.2.20.0040.00417.69
8.2.10.0040.00417.86
8.2.00.0080.00017.59
8.1.280.0150.00625.92
8.1.270.0060.00323.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.76
8.1.230.0140.00018.90
8.1.220.0050.00317.74
8.1.210.0000.00718.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00918.34
8.1.160.0030.00621.95
8.1.150.0080.00018.83
8.1.140.0050.00217.30
8.1.130.0000.00717.88
8.1.120.0040.00417.43
8.1.110.0040.00417.41
8.1.100.0070.00017.46
8.1.90.0070.00317.45
8.1.80.0030.00317.28
8.1.70.0030.00317.27
8.1.60.0040.00417.50
8.1.50.0040.00417.48
8.1.40.0000.00717.45
8.1.30.0040.00417.48
8.1.20.0040.00417.57
8.1.10.0020.00517.60
8.1.00.0070.00017.52
8.0.300.0080.00018.77
8.0.290.0060.00316.75
8.0.280.0080.00018.25
8.0.270.0070.00016.79
8.0.260.0000.00817.11
8.0.250.0030.00516.76
8.0.240.0030.00316.86
8.0.230.0070.00016.89
8.0.220.0030.00316.89
8.0.210.0000.00716.81
8.0.200.0000.00716.88
8.0.190.0000.00716.84
8.0.180.0070.00016.90
8.0.170.0000.00716.78
8.0.160.0070.00016.75
8.0.150.0030.00516.81
8.0.140.0000.00716.82
8.0.130.0030.00313.20
8.0.120.0000.00816.77
8.0.110.0030.00516.85
8.0.100.0050.00216.72
8.0.90.0040.00416.70
8.0.80.0070.00716.77
8.0.70.0040.00416.87
8.0.60.0070.00016.77
8.0.50.0000.00816.84
8.0.30.0150.00716.88
8.0.20.0120.00817.40
8.0.10.0000.00716.81
8.0.00.0120.00916.61
7.4.330.0050.00015.00
7.4.320.0000.00616.52
7.4.300.0000.00916.57
7.4.290.0030.00316.45
7.4.280.0030.00316.41
7.4.270.0000.00716.47
7.4.260.0000.00716.54
7.4.250.0000.00716.51
7.4.240.0020.00516.47
7.4.230.0040.00416.29
7.4.220.0090.00916.38
7.4.210.0100.00916.46
7.4.200.0040.00416.56
7.4.160.0080.00816.43
7.4.150.0150.01517.40
7.4.140.0050.01417.86
7.4.130.0050.01516.28
7.4.120.0120.00616.43
7.4.110.0100.00716.43
7.4.100.0000.01816.31
7.4.90.0140.00316.45
7.4.80.0070.01119.39
7.4.70.0060.01016.50
7.4.60.0000.01516.53
7.4.50.0040.00416.57
7.4.40.0060.01016.56
7.4.30.0060.01316.47
7.4.00.0030.01414.76
7.3.330.0050.00013.23
7.3.320.0030.00413.20
7.3.310.0030.00316.27
7.3.300.0000.00616.18
7.3.290.0120.00316.22
7.3.280.0110.00516.19
7.3.270.0110.00717.40
7.3.260.0110.00616.20
7.3.250.0090.00916.47
7.3.240.0080.00816.25
7.3.230.0100.01116.44
7.3.210.0000.01816.34
7.3.200.0070.01419.39
7.3.190.0030.01716.27
7.3.180.0100.01016.17
7.3.170.0030.01316.27
7.3.160.0040.01216.25
7.3.120.0040.01514.89
7.3.110.0070.01014.81
7.3.100.0090.00614.72
7.3.90.0070.01014.73
7.3.80.0000.01314.93
7.3.70.0110.00414.71
7.3.60.0000.01014.68
7.3.50.0100.00714.68
7.3.40.0060.00914.66
7.3.30.0090.00014.76
7.3.20.0000.01216.77
7.3.10.0030.01316.69
7.3.00.0040.01116.57
7.2.330.0000.02416.55
7.2.320.0070.01016.38
7.2.310.0070.01116.60
7.2.300.0050.01116.56
7.2.290.0090.01216.73
7.2.250.0110.00714.89
7.2.240.0070.01115.21
7.2.230.0130.00614.65
7.2.220.0100.00314.95
7.2.210.0090.00615.01
7.2.200.0060.00915.17
7.2.190.0090.00615.13
7.2.180.0060.00914.95
7.2.170.0060.00915.11
7.2.60.0110.00416.78
7.2.50.0360.01116.36
7.1.330.0060.00615.75
7.1.320.0030.00615.61
7.1.310.0070.00715.74
7.1.300.0070.00715.45
7.1.290.0060.01315.60
7.1.280.0150.00015.32
7.1.270.0050.00515.67
7.1.260.0040.01215.60
7.1.200.0090.00315.53
7.1.70.0130.00316.82
7.1.60.0060.01619.32
7.1.50.0130.01016.97
7.1.00.0030.07722.33
7.0.200.0030.00916.40
7.0.140.0030.07322.18
7.0.60.0200.06019.84
7.0.50.0100.07717.86
7.0.40.0130.06720.30
7.0.30.0230.06720.30
7.0.20.0200.06020.27
7.0.10.0030.04320.33
7.0.00.0030.04720.23
5.6.280.0100.06721.14
5.6.210.0000.04720.61
5.6.200.0130.07718.18
5.6.190.0100.07720.33
5.6.180.0400.06320.55
5.6.170.0370.07320.52
5.6.160.0030.05720.50
5.6.150.0030.08318.15
5.6.140.0170.06318.24
5.6.130.0030.04318.16
5.6.120.0070.08020.74
5.6.110.0100.04721.02
5.6.100.0100.07320.96
5.6.90.0000.04721.00
5.6.80.0070.08020.41
5.5.350.0100.04720.48
5.5.340.0130.07318.03
5.5.330.0100.04020.57
5.5.320.0330.06020.25
5.5.310.0270.08020.26
5.5.300.0170.07018.10
5.5.290.0100.04317.95
5.5.280.0070.05320.99
5.5.270.0030.08720.67
5.5.260.0030.04720.87
5.5.250.0100.08020.59
5.5.240.0170.07320.26
5.4.450.0600.04019.46
5.4.440.0130.03319.55
5.4.430.0630.04319.52
5.4.420.0630.00019.41
5.4.410.0630.00019.25
5.4.400.0630.00019.21
5.4.390.0630.00019.06
5.4.380.0670.00019.01
5.4.370.0600.00019.07
5.4.360.0600.00019.13
5.4.350.0630.00019.09
5.4.340.0600.00019.27
5.4.320.0080.03612.50
5.4.310.0070.04012.50
5.4.300.0060.03712.50
5.4.290.0050.04112.50
5.4.280.0040.04012.40
5.4.270.0060.03612.40
5.4.260.0060.03812.40
5.4.250.0060.03812.39
5.4.240.0100.03812.40
5.4.230.0070.03612.39
5.4.220.0060.03612.39
5.4.210.0060.03512.39
5.4.200.0100.03312.39
5.4.190.0110.03112.39
5.4.180.0080.03512.39
5.4.170.0050.03712.39
5.4.160.0050.04012.39
5.4.150.0070.03512.39
5.4.140.0080.03512.07
5.4.130.0070.03912.06
5.4.120.0110.03012.02
5.4.110.0080.03812.02
5.4.100.0070.04012.01
5.4.90.0050.03712.02
5.4.80.0070.03512.01
5.4.70.0080.03712.01
5.4.60.0060.03412.01
5.4.50.0060.03512.01
5.4.40.0080.03912.00
5.4.30.0080.03811.99
5.4.20.0090.03212.00
5.4.10.0050.03512.00
5.4.00.0080.03611.49
5.3.290.0040.04312.80
5.3.280.0090.03612.71
5.3.270.0090.03912.72
5.3.260.0080.03812.72
5.3.250.0060.03812.71
5.3.240.0080.04012.72
5.3.230.0080.04012.71
5.3.220.0080.04512.68
5.3.210.0060.03912.68
5.3.200.0110.03312.68
5.3.190.0100.03712.68
5.3.180.0080.03412.67
5.3.170.0080.03812.67
5.3.160.0040.03912.67
5.3.150.0090.03512.68
5.3.140.0020.04212.66
5.3.130.0080.03712.66
5.3.120.0090.03612.66
5.3.110.0080.04112.66
5.3.100.0060.03612.12
5.3.90.0070.03612.10
5.3.80.0040.03912.09
5.3.70.0060.03612.09
5.3.60.0070.03712.08
5.3.50.0110.03812.02
5.3.40.0040.03812.02
5.3.30.0090.03811.98
5.3.20.0060.04211.76
5.3.10.0080.03911.73
5.3.00.0060.04311.71
5.2.170.0070.0309.21
5.2.160.0090.0319.21
5.2.150.0030.0369.21
5.2.140.0050.0369.21
5.2.130.0050.0329.17
5.2.120.0050.0299.17
5.2.110.0100.0299.18
5.2.100.0040.0299.17
5.2.90.0050.0349.17
5.2.80.0070.0329.17
5.2.70.0060.0359.17
5.2.60.0070.0369.13
5.2.50.0030.0329.09
5.2.40.0030.0389.07
5.2.30.0050.0319.05
5.2.20.0040.0309.03
5.2.10.0090.0338.94
5.2.00.0040.0348.80
5.1.60.0050.0258.08
5.1.50.0060.0298.08
5.1.40.0040.0308.06
5.1.30.0060.0368.41
5.1.20.0060.0378.43
5.1.10.0060.0288.16
5.1.00.0080.0238.16
5.0.50.0040.0196.64
5.0.40.0020.0206.50
5.0.30.0030.0336.30
5.0.20.0060.0246.28
5.0.10.0040.0216.26
5.0.00.0050.0296.25
4.4.90.0030.0194.78
4.4.80.0070.0114.75
4.4.70.0040.0234.76
4.4.60.0030.0224.76
4.4.50.0050.0174.77
4.4.40.0020.0264.70
4.4.30.0050.0154.76
4.4.20.0030.0174.84
4.4.10.0000.0184.85
4.4.00.0010.0274.76
4.3.110.0030.0164.67
4.3.100.0030.0154.66
4.3.90.0030.0184.63
4.3.80.0050.0224.58
4.3.70.0040.0184.63
4.3.60.0070.0184.62
4.3.50.0080.0114.63
4.3.40.0030.0244.54
4.3.30.0050.0133.30
4.3.20.0020.0163.28
4.3.10.0010.0183.23
4.3.00.0000.01313.59

preferences:
45.18 ms | 401 KiB | 5 Q