3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $avar; } class B extends A { public function hasAVar(){ return property_exists($this, 'avar'); } } $b = new B(); var_dump($b->hasAVar());

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
8.3.50.0080.01022.85
8.3.40.0040.01118.59
8.3.30.0070.00718.91
8.3.20.0060.00320.29
8.3.10.0040.00423.52
8.3.00.0050.00319.26
8.2.180.0090.00916.50
8.2.170.0100.01022.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0040.00421.22
8.2.110.0040.00422.25
8.2.100.0070.00417.91
8.2.90.0000.00719.05
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0030.00517.55
8.2.50.0000.00818.07
8.2.40.0000.00819.64
8.2.30.0040.00417.98
8.2.20.0040.00417.53
8.2.10.0020.00517.98
8.2.00.0050.00217.67
8.1.280.0130.00325.92
8.1.270.0060.00323.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.68
8.1.230.0040.00818.81
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0050.00221.82
8.1.150.0000.00718.83
8.1.140.0060.00317.35
8.1.130.0030.00317.88
8.1.120.0080.00017.32
8.1.110.0000.00817.28
8.1.100.0050.00517.35
8.1.90.0070.00317.39
8.1.80.0030.00617.40
8.1.70.0030.00317.38
8.1.60.0060.00317.56
8.1.50.0090.00017.48
8.1.40.0060.00317.41
8.1.30.0030.00517.67
8.1.20.0040.00417.59
8.1.10.0050.00217.39
8.1.00.0040.00417.30
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0030.00517.14
8.0.260.0030.00317.11
8.0.250.0000.00716.92
8.0.240.0040.00416.78
8.0.230.0020.00516.86
8.0.220.0000.00716.70
8.0.210.0000.00616.82
8.0.200.0000.00616.86
8.0.190.0040.00416.87
8.0.180.0060.00316.80
8.0.170.0040.00416.82
8.0.160.0040.00416.84
8.0.150.0000.00716.74
8.0.140.0090.00016.81
8.0.130.0000.00613.21
8.0.120.0040.00416.83
8.0.110.0040.00416.76
8.0.100.0000.00716.84
8.0.90.0000.00716.87
8.0.80.0100.01016.82
8.0.70.0040.00416.81
8.0.60.0000.00716.87
8.0.50.0000.00716.89
8.0.30.0110.00816.98
8.0.20.0070.01217.40
8.0.10.0040.00416.84
8.0.00.0110.01016.54
7.4.330.0000.00515.00
7.4.320.0000.00616.39
7.4.300.0030.00316.49
7.4.290.0000.00816.61
7.4.280.0040.00616.59
7.4.270.0050.00316.64
7.4.260.0060.00316.35
7.4.250.0040.00416.40
7.4.240.0040.00416.47
7.4.230.0030.00316.68
7.4.220.0090.00916.70
7.4.210.0110.00316.47
7.4.200.0000.00716.60
7.4.160.0040.01216.58
7.4.150.0140.00417.40
7.4.140.0070.00917.86
7.4.130.0140.00616.54
7.4.120.0130.00416.51
7.4.110.0070.01016.34
7.4.100.0130.00316.56
7.4.90.0050.01116.45
7.4.80.0030.01319.39
7.4.70.0080.01016.59
7.4.60.0080.00716.61
7.4.50.0000.00816.49
7.4.40.0100.00716.36
7.4.30.0110.00516.40
7.4.00.0040.01315.03
7.3.330.0020.00213.14
7.3.320.0030.00313.21
7.3.310.0050.00216.24
7.3.300.0000.00716.09
7.3.290.0100.01016.29
7.3.280.0080.00816.23
7.3.270.0130.00317.40
7.3.260.0140.00716.45
7.3.250.0050.01616.20
7.3.240.0080.00816.19
7.3.230.0200.00416.39
7.3.210.0120.00616.22
7.3.200.0120.00919.39
7.3.190.0040.01316.11
7.3.180.0100.00516.16
7.3.170.0090.00616.27
7.3.160.0110.00716.30
7.3.120.0060.01314.55
7.3.110.0040.01214.70
7.3.100.0030.00714.52
7.3.90.0030.00614.53
7.3.80.0090.00314.75
7.3.70.0030.00714.65
7.3.60.0080.00414.77
7.3.50.0030.00614.59
7.3.40.0030.00914.67
7.3.30.0000.01514.63
7.3.20.0000.01216.42
7.3.10.0080.00316.38
7.3.00.0050.00616.42
7.2.330.0100.00716.64
7.2.320.0070.01116.57
7.2.310.0000.01616.75
7.2.300.0090.00816.50
7.2.290.0070.01016.33
7.2.250.0110.00714.83
7.2.240.0070.01014.70
7.2.230.0060.00914.61
7.2.220.0100.00614.50
7.2.210.0080.00814.67
7.2.200.0150.00014.96
7.2.190.0060.01014.76
7.2.180.0070.00714.61
7.2.170.0030.00615.01
7.2.130.0040.00716.70
7.2.120.0060.00616.84
7.2.110.0030.00916.66
7.2.100.0060.00616.64
7.2.90.0080.00416.99
7.2.80.0070.00416.77
7.2.70.0070.00716.73
7.2.60.0030.00916.69
7.2.50.0030.01016.80
7.2.40.0030.00816.70
7.2.30.0110.00016.90
7.2.20.0080.00416.87
7.2.10.0040.00716.77
7.2.00.0070.00718.11
7.1.330.0060.01015.89
7.1.320.0070.00715.50
7.1.310.0070.00715.72
7.1.300.0030.01015.84
7.1.290.0040.00815.75
7.1.280.0000.01215.71
7.1.270.0070.00715.41
7.1.260.0040.00815.56
7.1.250.0070.00315.80
7.1.100.0030.00717.96
7.1.70.0030.00517.28
7.1.60.0100.01419.40
7.1.50.0070.01616.64
7.1.00.0000.09022.37
7.0.200.0680.00714.68
7.0.140.0000.07322.18
7.0.60.0030.08719.95
7.0.50.0070.05717.92
7.0.40.0030.05720.13
7.0.30.0530.07020.21
7.0.20.0470.05720.12
7.0.10.0070.04320.25
7.0.00.0130.08020.07
5.6.280.0030.07321.04
5.6.210.0130.07720.67
5.6.200.0070.08018.18
5.6.190.0000.04320.58
5.6.180.0230.04720.33
5.6.170.0330.04720.61
5.6.160.0100.08320.61
5.6.150.0100.03718.29
5.6.140.0100.05018.21
5.6.130.0000.07018.18
5.6.120.0100.05021.04
5.6.110.0030.04020.89
5.6.100.0070.08321.01
5.6.90.0170.07321.02
5.6.80.0130.04720.39
5.5.350.0000.08720.39
5.5.340.0100.07718.03
5.5.330.0030.04320.34
5.5.320.0470.07020.34
5.5.310.0270.04720.30
5.5.300.0030.04018.04
5.5.290.0070.07717.98
5.5.280.0100.07320.98
5.5.270.0000.07320.80
5.5.260.0070.09020.89
5.5.250.0170.08020.60
5.5.240.0200.07020.35
5.4.450.0200.04719.17
5.4.440.0500.04019.30
5.4.430.0570.03719.32
5.4.420.0300.04719.27
5.4.410.0430.04019.03
5.4.400.0670.04319.15
5.4.390.0230.04318.98
5.4.380.0370.06718.79
5.4.370.0330.04718.63
5.4.360.0430.05318.79
5.4.350.0430.07018.56
5.4.340.0230.05718.78
5.4.320.0080.03912.50
5.4.310.0050.03912.49
5.4.300.0060.03612.50
5.4.290.0060.03812.50
5.4.280.0070.03812.40
5.4.270.0050.03912.39
5.4.260.0080.03612.40
5.4.250.0050.03912.39
5.4.240.0100.03212.39
5.4.230.0070.03912.38
5.4.220.0100.04912.39
5.4.210.0070.03512.39
5.4.200.0060.03812.39
5.4.190.0090.03212.39
5.4.180.0070.03412.38
5.4.170.0050.04612.39
5.4.160.0100.03912.39
5.4.150.0060.04012.39
5.4.140.0110.03712.07
5.4.130.0080.03612.06
5.4.120.0050.03612.02
5.4.110.0060.03512.01
5.4.100.0060.03512.01
5.4.90.0030.04712.01
5.4.80.0060.03712.01
5.4.70.0090.03112.01
5.4.60.0100.03112.01
5.4.50.0070.03712.01
5.4.40.0060.03912.00
5.4.30.0060.03711.99
5.4.20.0060.03511.99
5.4.10.0060.03311.99
5.4.00.0070.03411.48
5.3.290.0030.04112.80
5.3.280.0050.03712.71
5.3.270.0030.04112.72
5.3.260.0070.03712.72
5.3.250.0080.03412.72
5.3.240.0070.03712.72
5.3.230.0050.04012.71
5.3.220.0070.03412.68
5.3.210.0050.04812.68
5.3.200.0130.04112.68
5.3.190.0070.05312.68
5.3.180.0140.03812.67
5.3.170.0090.03312.67
5.3.160.0080.03412.67
5.3.150.0090.03412.68
5.3.140.0100.03212.66
5.3.130.0050.03912.66
5.3.120.0080.03712.66
5.3.110.0060.03912.66
5.3.100.0040.03812.12
5.3.90.0040.03812.10
5.3.80.0040.03712.09
5.3.70.0030.03812.08
5.3.60.0040.03712.07
5.3.50.0030.03812.02
5.3.40.0090.03712.02
5.3.30.0070.03211.98
5.3.20.0060.03411.76
5.3.10.0050.03511.73
5.3.00.0090.03211.71
5.2.170.0060.0289.21
5.2.160.0050.0289.21
5.2.150.0030.0339.21
5.2.140.0050.0309.21
5.2.130.0030.0309.17
5.2.120.0030.0309.17
5.2.110.0050.0289.18
5.2.100.0060.0279.18
5.2.90.0040.0369.18
5.2.80.0060.0299.18
5.2.70.0040.0319.17
5.2.60.0050.0319.12
5.2.50.0060.0389.09
5.2.40.0040.0319.07
5.2.30.0070.0279.05
5.2.20.0090.0249.03
5.2.10.0050.0318.94
5.2.00.0070.0298.80
5.1.60.0010.0278.09
5.1.50.0080.0218.09
5.1.40.0030.0258.06
5.1.30.0040.0268.41
5.1.20.0050.0258.43
5.1.10.0040.0268.16
5.1.00.0040.0268.16
5.0.50.0030.0216.64
5.0.40.0080.0156.50
5.0.30.0020.0326.31
5.0.20.0020.0206.28
5.0.10.0060.0176.26
5.0.00.0040.0376.25
4.4.90.0020.0164.78
4.4.80.0020.0164.75
4.4.70.0010.0184.76
4.4.60.0080.0174.75
4.4.50.0050.0214.77
4.4.40.0060.0324.71
4.4.30.0050.0204.76
4.4.20.0060.0204.84
4.4.10.0040.0234.85
4.4.00.0030.0344.75
4.3.110.0030.0304.67
4.3.100.0040.0174.66
4.3.90.0030.0184.64
4.3.80.0040.0234.58
4.3.70.0010.0194.63
4.3.60.0030.0154.63
4.3.50.0030.0174.63
4.3.40.0020.0264.54
4.3.30.0000.0173.30
4.3.20.0010.0163.28
4.3.10.0030.0153.24
4.3.00.0000.01315.62

preferences:
52.64 ms | 400 KiB | 5 Q