3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P { static $a=9; public $az; function __get($var) { return self::$var; } function __isset($var) { echo 'AAAAA'; return true; } } $P=new P; var_dump(isset(P::$azx));

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)
8.3.40.0090.00918.59
8.3.30.0070.00720.05
8.3.20.0040.00420.37
8.3.10.0080.00021.05
8.3.00.0080.00022.20
8.2.170.0030.01022.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0030.00620.77
8.2.110.0060.00319.27
8.2.100.0150.00017.78
8.2.90.0050.00319.22
8.2.80.0040.00418.04
8.2.70.0030.00617.50
8.2.60.0080.00018.03
8.2.50.0050.00318.07
8.2.40.0090.00018.21
8.2.30.0000.00819.34
8.2.20.0040.00417.53
8.2.10.0050.00217.74
8.2.00.0030.00517.68
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.91
8.1.230.0050.00520.84
8.1.220.0000.00818.77
8.1.210.0050.00520.72
8.1.200.0060.00317.35
8.1.190.0050.00317.63
8.1.180.0030.00618.10
8.1.170.0040.00418.59
8.1.160.0070.00018.81
8.1.150.0040.00418.70
8.1.140.0040.00417.33
8.1.130.0030.00317.82
8.1.120.0000.00717.49
8.1.110.0000.00717.35
8.1.100.0040.00417.49
8.1.90.0040.00417.42
8.1.80.0000.00717.48
8.1.70.0000.00717.44
8.1.60.0060.00317.48
8.1.50.0000.00917.42
8.1.40.0030.00517.57
8.1.30.0090.00017.59
8.1.20.0040.00417.61
8.1.10.0040.00417.49
8.1.00.0040.00417.42
8.0.300.0000.00819.85
8.0.290.0000.00717.04
8.0.280.0000.00718.45
8.0.270.0070.00017.19
8.0.260.0030.00716.73
8.0.250.0040.00416.84
8.0.240.0040.00417.02
8.0.230.0030.00317.00
8.0.220.0070.00016.76
8.0.210.0040.00416.75
8.0.200.0040.00416.84
8.0.190.0040.00416.86
8.0.180.0000.00816.93
8.0.170.0020.00516.86
8.0.160.0050.00216.83
8.0.150.0030.00516.85
8.0.140.0000.00916.90
8.0.130.0040.00413.32
8.0.120.0030.00516.74
8.0.110.0030.00616.81
8.0.100.0000.00716.78
8.0.90.0000.00816.89
8.0.80.0060.01316.95
8.0.70.0000.00716.70
8.0.60.0070.00016.69
8.0.50.0040.00416.92
8.0.30.0050.01416.94
8.0.20.0110.00817.40
8.0.10.0040.00416.95
8.0.00.0090.00916.62
7.4.330.0050.00016.73
7.4.320.0030.00316.50
7.4.300.0030.00316.45
7.4.290.0070.00016.55
7.4.280.0030.00316.45
7.4.270.0000.00816.37
7.4.260.0050.00013.26
7.4.250.0050.00316.47
7.4.240.0020.00516.52
7.4.230.0030.00316.59
7.4.220.0030.01516.57
7.4.210.0060.00816.62
7.4.200.0070.00016.59
7.4.190.0060.00016.45
7.4.160.0120.00416.50
7.4.150.0090.00917.40
7.4.140.0100.00917.86
7.4.130.0070.01016.52
7.4.120.0120.00916.47
7.4.110.0140.00316.51
7.4.100.0130.00316.40
7.4.90.0030.01316.39
7.4.80.0060.01019.39
7.4.70.0090.01216.54
7.4.60.0060.01316.27
7.4.50.0000.00816.33
7.4.40.0060.00622.77
7.4.30.0030.01316.16
7.4.00.0030.01314.80
7.3.330.0050.00013.12
7.3.320.0000.00513.19
7.3.310.0030.00316.05
7.3.300.0000.00716.26
7.3.290.0030.01116.21
7.3.280.0080.01216.23
7.3.270.0110.00817.40
7.3.260.0050.01218.24
7.3.250.0050.01216.32
7.3.240.0110.00716.22
7.3.230.0070.01016.39
7.3.210.0080.00816.36
7.3.200.0190.00419.39
7.3.190.0080.00816.20
7.3.180.0140.00716.27
7.3.170.0100.00616.27
7.3.160.0050.01116.40
7.3.120.0030.01014.61
7.2.330.0070.01016.34
7.2.320.0070.01016.41
7.2.310.0100.01316.47
7.2.300.0160.00716.72
7.2.290.0070.01016.63
7.2.80.0090.00616.57
7.2.60.0070.01016.66
7.2.00.0080.00418.75
7.1.200.0040.00715.41
7.1.100.0080.00617.93
7.1.70.0070.00016.84
7.1.60.0130.01019.17
7.1.50.0030.01016.53
7.1.00.0030.03322.28
7.0.200.0050.00316.64
7.0.140.0030.07721.98
7.0.100.0030.08019.89
7.0.90.0030.06019.91
7.0.80.0070.07720.15
7.0.70.0030.08019.98
7.0.60.0070.06019.78
7.0.50.0070.04720.38
7.0.40.0030.04320.08
7.0.30.0030.05320.13
7.0.20.0070.07720.18
7.0.10.0070.07020.12
7.0.00.0170.08019.95
5.6.250.0070.08320.60
5.6.240.0170.04020.70
5.6.230.0070.07720.61
5.6.220.0000.05320.66
5.6.210.0000.05320.49
5.6.200.0070.04320.94
5.6.190.0070.07021.07
5.6.180.0130.06321.15
5.6.170.0200.06721.11
5.6.160.0070.03720.97
5.6.150.0070.03721.04
5.6.140.0030.06720.94
5.6.130.0070.04021.13
5.6.120.0030.05321.18
5.6.110.0170.05021.10
5.6.100.0170.07021.07
5.6.90.0070.04721.09
5.6.80.0070.05320.42
5.6.70.0130.05020.35
5.6.60.0070.04720.46
5.6.50.0100.03720.48
5.6.40.0030.07720.44
5.6.30.0070.07720.37
5.6.20.0070.04320.37
5.6.10.0130.07020.53
5.6.00.0030.07020.36
5.5.380.0100.06720.43
5.5.370.0030.08020.41
5.5.360.0070.10020.39
5.5.350.0000.08320.39
5.5.340.0230.08020.91
5.5.330.0170.03020.80
5.5.320.0030.06720.93
5.5.310.0030.04020.89
5.5.300.0070.04320.77
5.5.290.0070.07720.82
5.5.280.0070.04020.77
5.5.270.0070.08320.88
5.5.260.0100.06320.83
5.5.250.0000.08320.69
5.5.240.0170.07020.26
5.5.230.0170.06720.27
5.5.220.0170.07019.99
5.5.210.0070.04320.24
5.5.200.0100.08020.23
5.5.190.0070.07720.20
5.5.180.0100.05020.21
5.5.160.0130.07320.22
5.5.150.0030.08020.15
5.5.140.0100.03320.12
5.5.130.0270.03020.15
5.5.120.0030.04019.99
5.5.110.0130.06720.12
5.5.100.0100.04320.08
5.5.90.0030.04720.07
5.5.80.0030.08020.13
5.5.70.0070.07320.06
5.5.60.0100.03319.93
5.5.50.0070.03720.16
5.5.40.0070.06720.09
5.5.30.0130.03320.07
5.5.20.0030.06720.05
5.5.10.0100.07720.13
5.5.00.0070.06720.07
5.4.450.0130.06019.56
5.4.440.0030.06719.22
5.4.430.0070.07319.41
5.4.420.0030.04719.20
5.4.410.0100.08019.40
5.4.400.0100.04018.85
5.4.390.0030.08018.94
5.4.380.0070.08018.88
5.4.370.0070.05318.95
5.4.360.0200.06019.22
5.4.350.0000.06319.25
5.4.340.0070.03718.88
5.4.320.0030.08318.95
5.4.310.0070.04019.23
5.4.300.0030.05719.16
5.4.290.0070.07719.00
5.4.280.0000.08019.04
5.4.270.0070.05018.85
5.4.260.0000.06719.03
5.4.250.0100.05719.07
5.4.240.0070.06019.02
5.4.230.0100.07019.14
5.4.220.0030.04019.03
5.4.210.0230.06019.13
5.4.200.0030.05019.13
5.4.190.0000.07019.04
5.4.180.0100.06718.94
5.4.170.0170.06719.22
5.4.160.0000.08319.02
5.4.150.0130.02719.14
5.4.140.0130.06716.34
5.4.130.0070.03016.51
5.4.120.0000.06716.18
5.4.110.0030.08016.44
5.4.100.0100.07016.43
5.4.90.0030.03316.46
5.4.80.0000.06716.45
5.4.70.0070.05716.37
5.4.60.0100.06716.36
5.4.50.0030.07016.32
5.4.40.0100.03016.45
5.4.30.0030.03316.30
5.4.20.0070.07016.43
5.4.10.0000.03716.50
5.4.00.0030.07015.86
5.3.290.0000.07714.66
5.3.280.0100.06314.71
5.3.270.0070.07714.66
5.3.260.0200.06314.56
5.3.250.0070.06714.59
5.3.240.0100.07314.67
5.3.230.0070.03314.58
5.3.220.0030.08314.58
5.3.210.0100.07314.67
5.3.200.0000.04314.69
5.3.190.0100.07314.50
5.3.180.0130.06714.52
5.3.170.0170.06314.67
5.3.160.0130.02314.61
5.3.150.0100.07014.59
5.3.140.0030.07014.61
5.3.130.0000.06714.67
5.3.120.0130.07014.64
5.3.110.0100.06314.52
5.3.100.0100.05014.01
5.3.90.0230.03714.15
5.3.80.0070.05714.04
5.3.70.0000.07713.90
5.3.60.0070.07013.94
5.3.50.0170.05713.84
5.3.40.0100.07313.98
5.3.30.0000.07013.97
5.3.20.0070.05013.78
5.3.10.0100.04313.63
5.3.00.0070.05713.64
5.2.170.0030.06312.64
5.2.160.0100.05312.64
5.2.150.0030.03012.64
5.2.140.0000.04012.64
5.2.130.0070.05312.64
5.2.120.0030.05312.64
5.2.110.0070.04712.64
5.2.100.0000.04312.64
5.2.90.0000.03712.64
5.2.80.0070.03712.64
5.2.70.0030.03712.64
5.2.60.0070.06012.64
5.2.50.0000.05312.64
5.2.40.0070.02712.64
5.2.30.0100.06012.64
5.2.20.0030.03712.64
5.2.10.0130.03312.64
5.2.00.0000.04712.64
5.1.60.0030.02712.64
5.1.50.0070.02712.64
5.1.40.0030.02712.64
5.1.30.0100.02012.64
5.1.20.0000.04012.64
5.1.10.0100.03312.64
5.1.00.0000.05312.64
5.0.50.0000.04712.64
5.0.40.0100.03312.64
5.0.30.0030.06712.64
5.0.20.0100.02012.64
5.0.10.0070.04012.64
5.0.00.0070.03012.64
4.4.90.0030.02012.64
4.4.80.0000.02712.64
4.4.70.0000.01712.64
4.4.60.0070.03012.64
4.4.50.0030.03012.64
4.4.40.0030.05012.64
4.4.30.0000.01712.64
4.4.20.0000.02012.64
4.4.10.0030.02312.64
4.4.00.0070.04712.64
4.3.110.0030.03012.64
4.3.100.0000.02712.64
4.3.90.0030.03012.64
4.3.80.0000.05712.64
4.3.70.0030.02312.64
4.3.60.0000.02012.64
4.3.50.0070.02312.64
4.3.40.0030.04012.64
4.3.30.0000.03312.64
4.3.20.0000.01712.64
4.3.10.0000.03312.64
4.3.00.0000.03012.64

preferences:
36.88 ms | 400 KiB | 5 Q