3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __get($var) { echo "__GET\n"; if ($var === 'foo') { return 'bar!'; } return null; } public function __isset($var) { echo "__ISSET\n"; if ($var === 'foo') { return true; } return false; } } $fooInst = new Foo(); $empty = empty($fooInst->foo) ? "empty" : "not empty"; print "direct call: $empty \n"; $val = $fooInst->foo; $empty = empty($val) ? "empty" : "not empty"; print "indirect call: $empty\n";

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)
8.3.60.0100.00318.20
8.3.50.0070.01021.02
8.3.40.0040.01118.89
8.3.30.0030.01720.03
8.3.20.0080.00020.47
8.3.10.0080.00021.03
8.3.00.0040.00423.70
8.2.180.0150.00916.38
8.2.170.0150.00422.96
8.2.160.0070.00720.22
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00021.07
8.2.110.0070.00419.30
8.2.100.0070.00417.91
8.2.90.0080.00019.12
8.2.80.0050.00318.05
8.2.70.0080.00017.63
8.2.60.0000.00817.92
8.2.50.0000.00818.07
8.2.40.0040.00418.34
8.2.30.0070.00019.49
8.2.20.0000.00817.61
8.2.10.0020.00517.74
8.2.00.0000.00717.55
8.1.280.0240.00025.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.88
8.1.230.0040.00721.03
8.1.220.0070.00018.77
8.1.210.0040.00418.99
8.1.200.0060.00317.23
8.1.190.0070.00017.63
8.1.180.0070.00018.10
8.1.170.0030.00618.50
8.1.160.0040.00418.73
8.1.150.0060.00318.63
8.1.140.0040.00417.25
8.1.130.0000.00717.70
8.1.120.0000.00717.38
8.1.110.0040.00417.30
8.1.100.0070.00017.34
8.1.90.0000.00717.38
8.1.80.0040.00417.42
8.1.70.0000.00717.36
8.1.60.0030.00617.46
8.1.50.0040.00417.48
8.1.40.0040.00417.41
8.1.30.0040.00417.62
8.1.20.0080.00017.60
8.1.10.0050.00317.56
8.1.00.0070.00017.48
8.0.300.0000.00719.90
8.0.290.0040.00417.03
8.0.280.0080.00018.55
8.0.270.0000.00717.31
8.0.260.0060.00016.88
8.0.250.0030.00316.95
8.0.240.0000.00816.93
8.0.230.0000.00716.85
8.0.220.0000.00716.93
8.0.210.0070.00016.75
8.0.200.0000.00616.92
8.0.190.0040.00416.85
8.0.180.0070.00016.80
8.0.170.0080.00016.95
8.0.160.0000.00716.78
8.0.150.0040.00416.85
8.0.140.0080.00316.84
8.0.130.0030.00313.38
8.0.120.0040.00416.68
8.0.110.0040.00416.81
8.0.100.0000.00716.83
8.0.90.0040.00416.79
8.0.80.0140.00316.93
8.0.70.0050.00316.95
8.0.60.0050.00216.83
8.0.50.0000.00716.83
8.0.30.0110.01117.02
8.0.20.0110.00817.40
8.0.10.0040.00416.75
8.0.00.0090.01016.74
7.4.330.0050.00016.71
7.4.320.0030.00316.49
7.4.300.0000.00716.54
7.4.290.0000.00716.48
7.4.280.0070.00016.48
7.4.270.0000.00716.47
7.4.260.0050.00013.25
7.4.250.0030.00516.36
7.4.240.0070.00016.39
7.4.230.0030.00316.60
7.4.220.0130.01016.45
7.4.210.0060.01016.59
7.4.200.0000.00716.33
7.4.190.0070.00016.75
7.4.160.0130.00416.59
7.4.150.0070.01017.40
7.4.140.0100.01117.86
7.4.130.0090.01016.47
7.4.120.0120.00516.51
7.4.110.0030.01516.42
7.4.100.0120.00616.48
7.4.90.0060.01316.58
7.4.80.0130.00419.39
7.4.70.0090.01216.56
7.4.60.0130.00316.36
7.4.50.0040.00416.39
7.4.40.0060.00622.77
7.4.30.0070.01116.55
7.4.00.0030.01215.10
7.3.330.0030.00313.16
7.3.320.0000.00513.06
7.3.310.0030.00316.33
7.3.300.0030.00316.30
7.3.290.0070.00716.29
7.3.280.0060.01316.32
7.3.270.0090.00917.40
7.3.260.0150.00818.24
7.3.250.0060.01016.36
7.3.240.0120.00616.57
7.3.230.0070.01016.56
7.3.210.0060.01016.35
7.3.200.0010.01619.39
7.3.190.0080.00816.51
7.3.180.0090.01216.57
7.3.170.0000.01716.35
7.3.160.0120.00616.42
7.3.120.0100.00714.84
7.3.10.0180.00616.30
7.3.00.0040.01316.04
7.2.330.0140.00316.77
7.2.320.0120.00916.75
7.2.310.0090.00916.48
7.2.300.0070.01016.45
7.2.290.0110.00516.42
7.2.130.0100.00716.65
7.2.120.0100.01016.18
7.2.110.0090.00616.29
7.2.100.0110.00716.57
7.2.90.0070.00716.45
7.2.80.0060.00616.24
7.2.70.0080.00816.96
7.2.60.0070.00816.34
7.2.50.0060.01316.31
7.2.40.0110.00816.50
7.2.30.0110.00416.71
7.2.20.0070.01016.22
7.2.10.0100.00816.31
7.2.00.0070.00818.00
7.1.250.0160.00315.11
7.1.200.0110.00715.46
7.1.100.0000.01117.70
7.1.70.0100.00016.79
7.1.60.0070.01719.17
7.1.50.0060.00616.70
7.1.00.0000.06022.35
7.0.200.0280.00716.89
7.0.140.0070.07322.18
7.0.100.0400.07719.91
7.0.90.0370.08019.91
7.0.80.0270.06320.01
7.0.70.0230.08319.82
7.0.60.0270.08319.93
7.0.50.0270.07720.36
7.0.40.0130.07020.07
7.0.30.0070.08320.12
7.0.20.0070.04020.07
7.0.10.0070.08020.13
7.0.00.0030.09320.05
5.6.280.0000.07721.04
5.6.250.0030.04320.60
5.6.240.0070.08720.55
5.6.230.0030.08020.69
5.6.220.0070.07320.63
5.6.210.0070.08020.76
5.6.200.0170.05721.10
5.6.190.0070.07021.04
5.6.180.0100.04721.05
5.6.170.0030.08720.95
5.6.160.0200.06721.05
5.6.150.0070.04321.18
5.6.140.0100.04321.09
5.6.130.0170.07321.18
5.6.120.0130.03020.96
5.6.110.0070.03721.08
5.6.100.0070.04721.07
5.6.90.0130.07020.92
5.6.80.0100.07320.48
5.6.70.0130.06720.43
5.6.60.0170.06720.43
5.6.50.0200.07020.46
5.6.40.0070.04720.40
5.6.30.0100.07320.39
5.6.20.0170.06020.31
5.6.10.0070.08020.31
5.6.00.0100.08320.42
5.5.380.0100.07320.52
5.5.370.0030.05020.43
5.5.360.0070.08320.57
5.5.350.0070.06320.34
5.5.340.0130.07720.87
5.5.330.0130.07320.91
5.5.320.0130.08020.93
5.5.310.0100.05320.79
5.5.300.0170.07020.92
5.5.290.0070.08020.94
5.5.280.0070.05020.90
5.5.270.0000.08320.83
5.5.260.0100.08020.77
5.5.250.0030.04020.71
5.5.240.0100.07720.23
5.5.230.0030.04020.30
5.5.220.0100.07720.21
5.5.210.0100.05720.21
5.5.200.0070.07720.19
5.5.190.0130.04320.25
5.5.180.0000.06720.29
5.5.160.0170.06720.25
5.5.150.0100.07020.18
5.5.140.0030.08320.11
5.5.130.0070.06320.28
5.5.120.0030.08020.16
5.5.110.0100.07320.16
5.5.100.0100.07720.05
5.5.90.0170.07020.09
5.5.80.0130.06720.15
5.5.70.0070.08320.16
5.5.60.0270.05720.09
5.5.50.0100.07320.07
5.5.40.0030.05020.10
5.5.30.0130.04320.14
5.5.20.0000.04320.02
5.5.10.0130.04020.05
5.5.00.0070.04320.13
5.4.450.0070.04019.23
5.4.440.0070.03719.49
5.4.430.0070.07719.44
5.4.420.0030.03719.37
5.4.410.0000.03719.24
5.4.400.0030.03719.25
5.4.390.0030.07319.13
5.4.380.0030.07318.95
5.4.370.0030.03718.90
5.4.360.0000.06319.00
5.4.350.0030.08018.95
5.4.340.0070.04719.18
5.4.320.0100.04319.03
5.4.310.0230.02718.88
5.4.300.0100.04019.13
5.4.290.0130.06718.90
5.4.280.0070.07719.03
5.4.270.0100.04019.02
5.4.260.0000.05019.23
5.4.250.0070.05719.11
5.4.240.0100.07319.17
5.4.230.0100.07019.12
5.4.220.0030.08319.23
5.4.210.0100.05719.22
5.4.200.0070.06719.11
5.4.190.0070.03719.17
5.4.180.0070.03319.01
5.4.170.0070.03319.02
5.4.160.0030.04019.19
5.4.150.0070.03719.16
5.4.140.0030.03716.28
5.4.130.0070.03316.26
5.4.120.0030.04016.34
5.4.110.0100.03016.50
5.4.100.0070.05316.43
5.4.90.0030.03316.51
5.4.80.0070.06016.37
5.4.70.0070.04016.36
5.4.60.0070.06016.46
5.4.50.0070.05716.46
5.4.40.0000.03716.38
5.4.30.0070.04316.43
5.4.20.0030.03316.23
5.4.10.0070.03716.41
5.4.00.0030.03315.57
5.3.290.0100.04314.61
5.3.280.0030.04714.62
5.3.270.0000.04014.69
5.3.260.0070.04014.71
5.3.250.0030.04714.68
5.3.240.0070.03314.61
5.3.230.0070.04014.72
5.3.220.0030.04014.59
5.3.210.0070.03314.68
5.3.200.0100.03014.62
5.3.190.0030.06714.50
5.3.180.0000.04314.70
5.3.170.0030.03314.59
5.3.160.0030.03714.63
5.3.150.0100.07314.50
5.3.140.0070.06014.59
5.3.130.0100.03314.57
5.3.120.0070.03314.56
5.3.110.0030.05014.52
5.3.100.0000.04013.99
5.3.90.0030.03013.95
5.3.80.0000.03314.07
5.3.70.0070.03714.14
5.3.60.0070.03314.01
5.3.50.0030.04014.04
5.3.40.0030.03713.96
5.3.30.0070.03013.97
5.3.20.0070.04013.60
5.3.10.0000.04313.67
5.3.00.0000.03713.71
5.2.170.0030.03013.17
5.2.160.0030.02313.17
5.2.150.0000.03013.17
5.2.140.0000.07013.17
5.2.130.0000.03013.17
5.2.120.0070.04013.17
5.2.110.0000.03013.17
5.2.100.0030.02713.17
5.2.90.0000.03313.17
5.2.80.0000.03713.17
5.2.70.0030.03013.17
5.2.60.0000.03013.17
5.2.50.0030.03013.17
5.2.40.0000.03013.17
5.2.30.0000.03713.17
5.2.20.0000.03013.17
5.2.10.0000.03013.17
5.2.00.0030.03313.17
5.1.60.0030.02313.17
5.1.50.0000.02313.17
5.1.40.0000.04013.17
5.1.30.0000.02713.17
5.1.20.0000.03013.17
5.1.10.0070.03713.17
5.1.00.0030.05013.17
5.0.50.0000.05013.17
5.0.40.0100.04013.17
5.0.30.0130.05013.17
5.0.20.0030.04313.17
5.0.10.0000.03713.17
5.0.00.0030.06713.17
4.4.90.0000.01713.17
4.4.80.0030.01313.17
4.4.70.0000.01713.17
4.4.60.0000.01313.17
4.4.50.0030.01313.17
4.4.40.0100.01313.17
4.4.30.0000.01713.17
4.4.20.0000.03013.17
4.4.10.0000.04013.17
4.4.00.0030.05713.17
4.3.110.0030.03313.17
4.3.100.0030.03313.17
4.3.90.0000.03713.17
4.3.80.0030.03313.17
4.3.70.0100.01313.17
4.3.60.0030.03013.17
4.3.50.0030.03013.17
4.3.40.0030.04313.17
4.3.30.0100.02713.17
4.3.20.0000.03313.17
4.3.10.0030.02713.17
4.3.00.0030.02313.17

preferences:
44.62 ms | 401 KiB | 5 Q