3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P { static $a=9; function __get($var) { return self::$var; } function __isset($var) { } } var_dump(isset(P::$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)
8.3.60.0140.00718.31
8.3.50.0080.01021.14
8.3.40.0110.00418.85
8.3.30.0100.00320.06
8.3.20.0020.00520.16
8.3.10.0000.00720.92
8.3.00.0040.00422.40
8.2.180.0150.00316.50
8.2.170.0140.00722.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0110.00419.41
8.2.110.0030.00619.09
8.2.100.0110.00417.70
8.2.90.0070.00019.17
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0090.00018.04
8.2.50.0090.00018.07
8.2.40.0040.00418.21
8.2.30.0000.00719.35
8.2.20.0040.00417.46
8.2.10.0030.00517.54
8.2.00.0030.00617.55
8.1.280.0110.00625.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.84
8.1.230.0000.01120.85
8.1.220.0090.00018.77
8.1.210.0070.00419.10
8.1.200.0060.00317.22
8.1.190.0080.00017.39
8.1.180.0120.00018.10
8.1.170.0030.00618.58
8.1.160.0000.00818.76
8.1.150.0080.00018.45
8.1.140.0080.00017.39
8.1.130.0040.00417.75
8.1.120.0000.00717.44
8.1.110.0000.00717.38
8.1.100.0000.00717.26
8.1.90.0040.00417.35
8.1.80.0000.00717.31
8.1.70.0030.00317.28
8.1.60.0030.00617.40
8.1.50.0060.00317.35
8.1.40.0000.00717.43
8.1.30.0040.00417.60
8.1.20.0000.00817.60
8.1.10.0030.00517.34
8.1.00.0030.00617.29
8.0.300.0040.00419.98
8.0.290.0000.00716.93
8.0.280.0070.00018.39
8.0.270.0070.00017.11
8.0.260.0030.00316.76
8.0.250.0000.00716.87
8.0.240.0050.00316.80
8.0.230.0040.00416.92
8.0.220.0030.00316.86
8.0.210.0050.00216.79
8.0.200.0030.00316.76
8.0.190.0000.00716.91
8.0.180.0040.00416.88
8.0.170.0030.00516.82
8.0.160.0040.00416.65
8.0.150.0040.00416.80
8.0.140.0040.00416.80
8.0.130.0000.00613.25
8.0.120.0040.00416.64
8.0.110.0030.00516.71
8.0.100.0040.00416.69
8.0.90.0040.00416.85
8.0.80.0050.01116.88
8.0.70.0040.00416.71
8.0.60.0040.00416.89
8.0.50.0000.00816.65
8.0.30.0050.01417.05
8.0.20.0120.00817.40
8.0.10.0000.00717.05
8.0.00.0090.00916.70
7.4.330.0000.00516.84
7.4.320.0030.00316.48
7.4.300.0000.00716.54
7.4.290.0030.00316.52
7.4.280.0030.00316.45
7.4.270.0000.00716.57
7.4.260.0050.00013.27
7.4.250.0070.00016.39
7.4.240.0020.00516.46
7.4.230.0030.00316.29
7.4.220.0140.01216.59
7.4.210.0090.00516.44
7.4.200.0040.00416.65
7.4.190.0000.00716.48
7.4.160.0090.00616.44
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0090.00816.31
7.4.120.0050.01316.43
7.4.110.0030.01616.35
7.4.100.0070.01016.46
7.4.90.0060.01216.60
7.4.80.0060.01219.39
7.4.70.0030.01316.50
7.4.60.0130.00616.50
7.4.50.0040.00416.29
7.4.40.0070.00722.77
7.4.30.0040.01316.41
7.4.00.0040.01115.04
7.3.330.0000.00513.23
7.3.320.0030.00313.18
7.3.310.0040.00416.24
7.3.300.0000.00616.11
7.3.290.0070.00716.24
7.3.280.0080.01116.18
7.3.270.0030.01417.40
7.3.260.0080.01118.24
7.3.250.0050.01416.41
7.3.240.0100.00716.63
7.3.230.0100.00716.39
7.3.210.0030.01316.49
7.3.200.0130.00719.39
7.3.190.0130.00316.38
7.3.180.0160.00016.32
7.3.170.0030.01316.42
7.3.160.0060.01216.45
7.3.120.0030.01414.87
7.2.330.0110.00716.16
7.2.320.0100.01316.37
7.2.310.0000.02016.47
7.2.300.0080.00816.59
7.2.290.0090.00616.36
7.2.00.0100.01018.08
7.1.100.0040.00817.98
7.1.70.0100.01016.95
7.1.60.0150.01119.17
7.1.50.0030.01916.52
7.1.00.0030.06322.35
7.0.200.0000.00716.41
7.0.140.0070.07022.00
7.0.100.0100.08019.93
7.0.90.0030.07720.00
7.0.80.0100.07320.01
7.0.70.0100.08019.93
7.0.60.0130.08019.95
7.0.50.0100.07720.29
7.0.40.0100.08319.95
7.0.30.0070.08720.14
7.0.20.0100.08020.19
7.0.10.0030.08320.16
7.0.00.0070.05320.07
5.6.280.0000.07721.15
5.6.250.0030.08320.63
5.6.240.0030.08320.52
5.6.230.0170.07020.64
5.6.220.0030.08320.59
5.6.210.0030.05020.76
5.6.200.0070.08321.09
5.6.190.0070.08721.02
5.6.180.0070.07021.14
5.6.170.0030.06320.97
5.6.160.0070.04021.14
5.6.150.0100.07721.03
5.6.140.0200.06721.08
5.6.130.0100.08021.11
5.6.120.0170.06321.17
5.6.110.0130.08321.06
5.6.100.0200.07321.17
5.6.90.0130.07321.15
5.6.80.0230.05320.35
5.6.70.0030.05320.39
5.6.60.0070.05320.31
5.6.50.0070.03320.52
5.6.40.0070.03720.54
5.6.30.0130.03020.44
5.6.20.0070.04320.45
5.6.10.0070.04020.41
5.6.00.0070.05020.35
5.5.380.0130.09320.51
5.5.370.0100.06320.43
5.5.360.0130.06720.45
5.5.350.0100.07320.48
5.5.340.0030.08020.93
5.5.330.0070.07720.93
5.5.320.0070.04720.77
5.5.310.0200.07320.93
5.5.300.0070.08320.90
5.5.290.0100.08720.89
5.5.280.0000.07320.92
5.5.270.0130.06020.90
5.5.260.0100.08020.89
5.5.250.0100.07020.71
5.5.240.0070.03720.18
5.5.230.0070.03720.30
5.5.220.0070.03720.14
5.5.210.0130.05020.25
5.5.200.0130.03320.22
5.5.190.0130.03020.24
5.5.180.0030.04720.13
5.5.160.0000.05320.27
5.5.150.0100.03320.18
5.5.140.0030.07720.13
5.5.130.0030.04020.18
5.5.120.0030.04020.18
5.5.110.0070.05320.11
5.5.100.0030.04020.18
5.5.90.0030.03720.08
5.5.80.0000.06020.12
5.5.70.0000.04720.09
5.5.60.0000.04020.01
5.5.50.0030.03720.15
5.5.40.0070.04020.06
5.5.30.0070.04720.05
5.5.20.0070.03720.15
5.5.10.0030.03720.13
5.5.00.0000.05020.03
5.4.450.0100.07019.38
5.4.440.0130.07319.35
5.4.430.0100.06719.35
5.4.420.0030.08019.50
5.4.410.0070.07719.29
5.4.400.0030.04019.21
5.4.390.0030.04019.10
5.4.380.0070.03719.02
5.4.370.0170.04018.90
5.4.360.0100.03018.95
5.4.350.0070.03319.05
5.4.340.0030.03718.88
5.4.320.0130.02719.04
5.4.310.0070.03319.12
5.4.300.0000.04019.02
5.4.290.0070.03319.07
5.4.280.0070.06318.84
5.4.270.0070.03319.05
5.4.260.0070.03319.04
5.4.250.0100.03319.02
5.4.240.0000.04018.90
5.4.230.0070.03318.95
5.4.220.0070.04318.86
5.4.210.0000.04019.12
5.4.200.0070.05718.95
5.4.190.0070.03318.84
5.4.180.0000.04018.88
5.4.170.0000.04319.15
5.4.160.0070.03719.09
5.4.150.0030.04019.14
5.4.140.0100.06016.46
5.4.130.0000.03716.43
5.4.120.0070.03316.41
5.4.110.0000.03716.50
5.4.100.0070.03316.39
5.4.90.0030.03716.33
5.4.80.0030.03316.41
5.4.70.0000.04016.34
5.4.60.0070.03016.45
5.4.50.0000.06716.45
5.4.40.0070.06316.54
5.4.30.0100.04016.48
5.4.20.0030.04316.33
5.4.10.0030.07016.50
5.4.00.0130.04715.84
5.3.290.0030.04314.59
5.3.280.0070.03314.58
5.3.270.0070.03314.63
5.3.260.0000.04714.67
5.3.250.0000.04014.71
5.3.240.0070.03314.61
5.3.230.0030.03714.73
5.3.220.0030.03714.62
5.3.210.0030.04314.66
5.3.200.0000.04014.67
5.3.190.0030.03714.54
5.3.180.0100.04014.67
5.3.170.0100.04014.65
5.3.160.0070.03314.57
5.3.150.0130.06714.65
5.3.140.0170.04014.70
5.3.130.0100.07714.49
5.3.120.0000.06714.60
5.3.110.0000.06714.68
5.3.100.0030.04314.09
5.3.90.0130.07014.04
5.3.80.0030.07714.04
5.3.70.0030.07713.91
5.3.60.0030.07314.05
5.3.50.0130.07013.92
5.3.40.0100.07014.01
5.3.30.0070.07013.98
5.3.20.0030.07313.71
5.3.10.0070.07013.63
5.3.00.0030.07013.54
5.2.170.0100.04312.11
5.2.160.0070.03312.11
5.2.150.0030.06312.11
5.2.140.0100.06012.11
5.2.130.0030.06012.11
5.2.120.0070.03712.11
5.2.110.0030.06712.11
5.2.100.0000.03312.11
5.2.90.0100.05712.11
5.2.80.0100.06012.11
5.2.70.0030.06312.11
5.2.60.0200.04712.11
5.2.50.0000.06012.11
5.2.40.0000.06712.11
5.2.30.0030.06012.11
5.2.20.0000.06712.11
5.2.10.0100.05712.11
5.2.00.0030.04012.11
5.1.60.0030.05312.11
5.1.50.0070.04012.11
5.1.40.0030.05012.11
5.1.30.0030.05012.11
5.1.20.0030.05712.11
5.1.10.0000.05712.11
5.1.00.0030.05712.11
5.0.50.0000.02712.11
5.0.40.0030.04012.11
5.0.30.0000.04012.11
5.0.20.0030.03712.11
5.0.10.0100.02312.11
5.0.00.0030.06312.11
4.4.90.0030.03312.11
4.4.80.0030.03312.11
4.4.70.0030.02312.11
4.4.60.0070.03012.11
4.4.50.0030.03312.11
4.4.40.0000.05312.11
4.4.30.0070.03012.11
4.4.20.0070.01312.11
4.4.10.0030.03312.11
4.4.00.0000.06012.11
4.3.110.0030.03312.11
4.3.100.0070.03012.11
4.3.90.0030.02012.11
4.3.80.0030.03012.11
4.3.70.0000.03712.11
4.3.60.0000.02012.11
4.3.50.0000.02012.11
4.3.40.0170.02012.11
4.3.30.0000.03012.11
4.3.20.0000.03012.11
4.3.10.0000.03312.11
4.3.00.0000.02012.11

preferences:
38.05 ms | 401 KiB | 5 Q