3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $shit = 'this'; public function bar() { $name = 'this'; var_dump($$name); $$name = 'herpderp'; var_dump($$name); var_dump($this->shit); } } $d = new Foo; $d->bar();

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)
8.3.60.0160.00616.75
8.3.50.0140.00221.91
8.3.40.0040.01118.84
8.3.30.0030.01519.04
8.3.20.0070.00020.34
8.3.10.0030.00523.64
8.3.00.0050.00319.26
8.2.180.0150.00618.39
8.2.170.0070.00722.96
8.2.160.0150.00018.96
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0050.00319.83
8.2.110.0060.00322.25
8.2.100.0120.00319.45
8.2.90.0050.00319.09
8.2.80.0060.00317.97
8.2.70.0090.00317.63
8.2.60.0030.00517.80
8.2.50.0000.00818.07
8.2.40.0050.00517.91
8.2.30.0080.00018.25
8.2.20.0050.00317.73
8.2.10.0000.00818.03
8.2.00.0000.00817.86
8.1.280.0110.00425.92
8.1.270.0000.01423.97
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00023.91
8.1.230.0110.00019.23
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0060.00317.38
8.1.190.0040.00417.35
8.1.180.0060.00319.01
8.1.170.0100.00018.46
8.1.160.0040.00422.05
8.1.150.0040.00418.60
8.1.140.0040.00417.29
8.1.130.0000.00717.80
8.1.120.0000.00817.37
8.1.110.0000.00817.46
8.1.100.0070.00017.43
8.1.90.0040.00417.47
8.1.80.0080.00017.37
8.1.70.0000.00717.45
8.1.60.0030.00517.46
8.1.50.0080.00017.34
8.1.40.0000.00717.54
8.1.30.0100.00017.65
8.1.20.0050.00317.71
8.1.10.0040.00717.58
8.1.00.0080.00017.44
8.0.300.0080.00018.77
8.0.290.0040.00417.28
8.0.280.0000.00718.36
8.0.270.0030.00317.12
8.0.260.0030.00317.18
8.0.250.0000.00717.02
8.0.240.0040.00416.96
8.0.230.0000.00717.02
8.0.220.0080.00016.85
8.0.210.0040.00416.95
8.0.200.0000.00716.88
8.0.190.0030.00516.89
8.0.180.0070.00317.02
8.0.170.0000.00816.86
8.0.160.0030.00416.88
8.0.150.0000.00816.93
8.0.140.0040.00416.86
8.0.130.0050.00013.41
8.0.120.0000.00816.89
8.0.110.0000.00816.83
8.0.100.0040.00416.80
8.0.90.0000.00716.98
8.0.80.0120.00317.00
8.0.70.0030.00616.89
8.0.60.0030.00516.85
8.0.50.0040.00416.74
8.0.30.0110.00817.17
8.0.20.0150.00317.40
8.0.10.0040.00416.85
8.0.00.0090.00816.67
7.4.330.0050.00015.00
7.4.320.0000.00616.42
7.4.300.0070.00016.41
7.4.290.0040.00416.48
7.4.280.0000.00616.49
7.4.270.0030.00316.56
7.4.260.0000.00716.51
7.4.250.0000.00716.55
7.4.240.0020.00516.59
7.4.230.0030.00316.40
7.4.220.0070.01116.62
7.4.210.0070.00716.53
7.4.200.0030.00316.66
7.4.190.0000.00716.66
7.4.160.0040.01216.64
7.4.150.0150.01117.40
7.4.140.0050.01317.86
7.4.130.0130.00816.63
7.4.120.0080.00916.57
7.4.110.0100.00716.59
7.4.100.0030.01416.46
7.4.90.0080.00816.41
7.4.80.0160.00619.39
7.4.70.0100.00616.47
7.4.60.0140.00616.41
7.4.50.0040.00416.35
7.4.40.0130.00316.48
7.4.30.0100.00616.72
7.4.00.0120.00414.81
7.3.330.0030.00313.35
7.3.320.0000.00613.41
7.3.310.0000.00816.31
7.3.300.0070.00016.42
7.3.290.0100.01016.39
7.3.280.0110.00816.37
7.3.270.0170.00017.40
7.3.260.0170.00016.34
7.3.250.0120.00816.58
7.3.240.0060.01516.57
7.3.230.0080.00816.41
7.3.210.0040.01316.57
7.3.200.0080.00816.36
7.3.190.0110.00716.54
7.3.180.0100.00716.43
7.3.170.0100.01016.56
7.3.160.0070.01016.46
7.3.120.0120.00515.05
7.3.110.0060.01214.84
7.3.100.0060.00615.10
7.3.90.0040.01114.93
7.3.80.0060.00914.86
7.3.70.0060.00314.73
7.3.60.0090.00014.91
7.3.50.0000.01014.84
7.3.40.0070.01014.83
7.3.30.0130.00014.64
7.3.20.0030.01016.67
7.3.10.0070.00716.64
7.3.00.0060.00516.42
7.2.330.0070.01016.70
7.2.320.0100.00816.79
7.2.310.0140.00316.38
7.2.300.0060.01016.51
7.2.290.0090.01316.44
7.2.250.0100.00914.96
7.2.240.0030.01414.70
7.2.230.0090.00614.92
7.2.220.0070.01015.13
7.2.210.0030.01415.10
7.2.200.0040.00814.95
7.2.190.0070.01014.99
7.2.180.0120.00615.06
7.2.170.0040.01514.96
7.2.60.0030.01316.49
7.2.00.0030.01019.34
7.1.330.0040.01115.92
7.1.320.0000.01215.82
7.1.310.0000.01415.57
7.1.300.0110.00415.73
7.1.290.0100.00715.57
7.1.280.0070.01015.90
7.1.270.0000.01315.72
7.1.260.0070.00415.56
7.1.200.0040.01115.60
7.1.70.0030.01017.07
7.1.60.0070.00317.25
7.1.50.0280.01034.63
7.1.00.0030.07722.44
7.0.200.0070.01016.54
7.0.140.0000.07322.15
7.0.70.0070.08321.77
7.0.60.0030.08721.66
7.0.50.0070.05322.07
7.0.40.0000.05719.95
7.0.30.0100.07720.13
7.0.20.0030.05320.09
7.0.10.0030.08020.07
7.0.00.0070.08020.00
5.6.280.0030.07321.04
5.6.220.0030.05020.62
5.6.210.0000.07020.75
5.6.200.0070.07720.94
5.6.190.0170.04321.10
5.6.180.0030.06321.05
5.6.170.0130.07721.09
5.6.160.0030.04721.05
5.6.150.0070.08720.99
5.6.140.0030.08721.13
5.6.130.0100.05321.02
5.6.120.0070.07021.10
5.6.110.0100.05020.95
5.6.100.0000.08321.10
5.6.90.0000.06021.15
5.6.80.0170.06320.48
5.6.70.0130.07020.42
5.6.60.0170.07320.54
5.6.50.0070.06320.52
5.6.40.0070.05320.47
5.6.30.0030.07320.41
5.6.20.0000.08720.49
5.6.10.0070.07320.28
5.6.00.0000.07320.39
5.5.360.0000.08320.42
5.5.350.0000.08020.43
5.5.340.0070.07320.64
5.5.330.0100.05320.64
5.5.320.0030.08720.77
5.5.310.0070.08020.78
5.5.300.0030.08720.82
5.5.290.0030.09020.84
5.5.280.0170.07020.64
5.5.270.0030.08320.63
5.5.260.0000.05720.92
5.5.250.0070.04020.71
5.5.240.0030.08320.21
5.5.230.0070.05720.17
5.5.220.0130.07320.23
5.5.210.0030.07720.16
5.5.200.0070.07320.20
5.5.190.0100.06720.11
5.5.180.0100.05020.23
5.5.160.0030.05320.00
5.5.150.0100.07720.15
5.5.140.0000.05320.15
5.5.130.0070.08319.96
5.5.120.0030.08320.25
5.5.110.0070.08320.21
5.5.100.0100.03020.13
5.5.90.0000.04720.09
5.5.80.0070.08019.97
5.5.70.0070.06320.04
5.5.60.0000.07719.96
5.5.50.0030.03720.07
5.5.40.0000.07720.14
5.5.30.0030.07720.02
5.5.20.0030.05320.04
5.5.10.0070.08720.13
5.5.00.0030.07019.97
5.4.450.0000.09019.56
5.4.440.0030.08019.50
5.4.430.0100.05719.37
5.4.420.0070.04719.29
5.4.410.0030.07019.24
5.4.400.0030.05319.13
5.4.390.0070.06019.18
5.4.380.0030.06018.90
5.4.370.0030.07318.92
5.4.360.0100.06019.23
5.4.350.0070.06719.01
5.4.340.0070.05719.14
5.4.320.0030.07319.05
5.4.310.0000.07718.92
5.4.300.0000.06719.12
5.4.290.0000.05319.13
5.4.280.0100.03319.12
5.4.270.0000.04318.90
5.4.260.0030.04318.90
5.4.250.0070.04319.04
5.4.240.0100.07019.04
5.4.230.0000.08019.04
5.4.220.0030.04718.90
5.4.210.0000.04018.93
5.4.200.0000.07319.17
5.4.190.0000.04718.86
5.4.180.0000.06718.84
5.4.170.0030.08319.16
5.4.160.0070.07719.01
5.4.150.0030.07318.93
5.4.140.0100.03316.41
5.4.130.0030.04016.51
5.4.120.0100.03016.39
5.4.110.0030.07316.46
5.4.100.0130.05316.43
5.4.90.0000.08016.43
5.4.80.0030.05016.48
5.4.70.0030.04016.49
5.4.60.0030.07716.47
5.4.50.0000.05316.24
5.4.40.0070.07016.30
5.4.30.0000.07316.48
5.4.20.0030.07316.40
5.4.10.0030.07316.29
5.4.00.0070.06715.87
5.3.290.0030.07714.77
5.3.280.0000.07714.68
5.3.270.0030.07714.59
5.3.260.0070.08014.64
5.3.250.0000.06314.72
5.3.240.0070.04314.63
5.3.230.0070.07714.58
5.3.220.0030.07714.67
5.3.210.0030.07314.63
5.3.200.0070.07014.68
5.3.190.0070.07314.49
5.3.180.0070.07714.68
5.3.170.0030.08014.68
5.3.160.0070.07314.57
5.3.150.0000.07314.57
5.3.140.0000.05714.52
5.3.130.0030.07314.56
5.3.120.0000.05714.52
5.3.110.0030.07014.46
5.3.100.0030.07714.05
5.3.90.0000.07714.13
5.3.80.0070.05014.11
5.3.70.0000.04314.02
5.3.60.0000.03714.12
5.3.50.0030.03313.96
5.3.40.0000.03713.93
5.3.30.0030.03314.02
5.3.20.0030.03713.75
5.3.10.0000.05313.76
5.3.00.0000.03713.64
5.2.170.0030.03012.53
5.2.160.0000.05012.53
5.2.150.0030.02712.53
5.2.140.0000.03012.53
5.2.130.0000.03012.53
5.2.120.0000.03012.53
5.2.110.0000.02712.53
5.2.100.0000.03012.53
5.2.90.0000.02712.53
5.2.80.0070.02312.53
5.2.70.0030.02312.53
5.2.60.0000.03012.53
5.2.50.0030.02712.53
5.2.40.0000.02712.53
5.2.30.0000.03012.53
5.2.20.0030.02712.53
5.2.10.0000.03712.53
5.2.00.0000.03712.53
5.1.60.0000.02312.53
5.1.50.0000.03012.53
5.1.40.0000.02312.53
5.1.30.0000.02712.53
5.1.20.0030.02712.53
5.1.10.0000.02712.53
5.1.00.0030.03012.53
5.0.50.0000.03312.53
5.0.40.0030.04312.53
5.0.30.0000.07012.53
5.0.20.0070.03312.53
5.0.10.0030.02012.53
5.0.00.0070.05312.53
4.4.90.0030.02012.53
4.4.80.0000.01312.53
4.4.70.0000.01312.53
4.4.60.0000.01312.53
4.4.50.0000.01712.53
4.4.40.0030.02312.53
4.4.30.0000.01312.53
4.4.20.0000.01712.53
4.4.10.0000.03712.53
4.4.00.0000.04312.53
4.3.110.0030.02312.53
4.3.100.0000.04012.53
4.3.90.0000.02012.53
4.3.80.0000.02712.53
4.3.70.0070.02012.53
4.3.60.0000.01712.53
4.3.50.0030.01312.53
4.3.40.0000.02312.53
4.3.30.0030.02312.53
4.3.20.0000.01712.53
4.3.10.0000.01712.53
4.3.00.0030.01312.53

preferences:
36.68 ms | 401 KiB | 5 Q