3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function __construct() { $this->a = "hello"; $this->b = "hi"; $this->val = "howdy"; $val = "a"; echo $this->a; // outputs "hello" echo "\n"; $val = "b"; echo $this->{$val}; // outputs "hi" echo "\n"; echo $this->val; //outputs "howdy" echo "\n"; echo $this->{"val"}; } } $foo = new foo();

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)
8.3.60.0080.00616.88
8.3.50.0070.00922.90
8.3.40.0170.00318.84
8.3.30.0090.01219.25
8.3.20.0040.00420.15
8.3.10.0080.00023.61
8.3.00.0080.00019.26
8.2.180.0040.01118.68
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0060.00924.66
8.2.130.0030.00626.16
8.2.120.0080.00020.89
8.2.110.0000.00820.33
8.2.100.0030.00918.03
8.2.90.0040.00418.86
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0000.00717.93
8.2.50.0050.00318.07
8.2.40.0050.00318.09
8.2.30.0070.00019.31
8.2.20.0040.00417.59
8.2.10.0070.00017.99
8.2.00.0070.00017.73
8.1.280.0130.01025.92
8.1.270.0040.01123.79
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00021.92
8.1.230.0070.00318.98
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0110.00317.25
8.1.190.0030.00617.48
8.1.180.0040.00418.10
8.1.170.0060.00318.50
8.1.160.0080.00022.01
8.1.150.0050.00318.92
8.1.140.0050.00217.45
8.1.130.0000.00717.78
8.1.120.0000.00817.36
8.1.110.0050.00317.38
8.1.100.0040.00417.43
8.1.90.0050.00217.31
8.1.80.0030.00517.38
8.1.70.0000.00717.41
8.1.60.0030.00617.55
8.1.50.0000.00817.59
8.1.40.0030.00517.49
8.1.30.0000.00817.63
8.1.20.0040.00417.69
8.1.10.0030.00617.52
8.1.00.0000.00717.53
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.46
8.0.270.0000.00717.18
8.0.260.0030.00317.13
8.0.250.0070.00016.94
8.0.240.0040.00416.95
8.0.230.0000.00716.87
8.0.220.0000.00716.86
8.0.210.0040.00416.82
8.0.200.0030.00316.93
8.0.190.0040.00416.83
8.0.180.0000.00716.90
8.0.170.0040.00416.94
8.0.160.0040.00416.93
8.0.150.0030.00316.83
8.0.140.0090.00016.83
8.0.130.0000.00513.36
8.0.120.0040.00416.86
8.0.110.0040.00416.87
8.0.100.0030.00316.82
8.0.90.0000.00716.88
8.0.80.0130.00316.84
8.0.70.0040.00416.78
8.0.60.0040.00416.95
8.0.50.0040.00416.81
8.0.30.0100.00817.13
8.0.20.0100.00917.40
8.0.10.0020.00516.91
8.0.00.0120.00816.71
7.4.330.0030.00315.04
7.4.320.0000.00616.54
7.4.300.0060.00016.51
7.4.290.0070.00016.60
7.4.280.0040.00416.48
7.4.270.0000.00716.51
7.4.260.0030.00616.56
7.4.250.0070.00016.55
7.4.240.0000.00716.48
7.4.230.0030.00316.67
7.4.220.0090.00916.52
7.4.210.0150.00316.52
7.4.200.0070.00016.49
7.4.160.0080.00816.42
7.4.150.0090.01017.40
7.4.140.0140.00617.86
7.4.130.0090.01316.49
7.4.120.0080.00816.49
7.4.110.0030.01316.34
7.4.100.0060.01016.44
7.4.90.0110.00616.26
7.4.80.0090.00919.39
7.4.70.0040.01316.51
7.4.60.0090.01016.49
7.4.50.0050.00316.37
7.4.40.0130.00316.50
7.4.30.0090.00616.64
7.4.00.0070.00714.78
7.3.330.0000.00513.23
7.3.320.0030.00313.43
7.3.310.0040.00416.36
7.3.300.0030.00316.38
7.3.290.0060.00916.31
7.3.280.0080.01016.34
7.3.270.0030.01417.40
7.3.260.0090.01016.22
7.3.250.0110.00916.36
7.3.240.0060.01016.66
7.3.230.0120.00916.39
7.3.210.0040.01216.25
7.3.200.0100.01416.54
7.3.190.0100.00716.51
7.3.180.0140.00616.49
7.3.170.0060.01116.71
7.3.160.0120.00616.38
7.2.330.0090.00916.38
7.2.320.0070.01016.45
7.2.310.0150.00916.30
7.2.300.0110.01116.61
7.2.290.0130.00316.56
7.2.80.0080.00616.68
7.2.60.0000.01016.81
7.2.00.0080.00419.54
7.1.200.0000.00915.72
7.1.100.0040.00717.99
7.1.70.0060.00316.83
7.1.60.0070.01819.46
7.1.50.0100.01416.95
7.1.00.0070.08722.37
7.0.200.0050.00516.82
7.0.140.0070.06721.95
7.0.60.0030.07719.92
7.0.50.0030.07717.96
7.0.40.0030.04720.18
7.0.30.0300.07320.17
7.0.20.0170.04320.23
7.0.10.0070.08020.24
7.0.00.0070.07720.08
5.6.280.0100.06320.91
5.6.210.0000.04720.47
5.6.200.0100.08018.15
5.6.190.0070.04020.39
5.6.180.0330.05320.61
5.6.170.0170.04320.48
5.6.160.0030.05320.71
5.6.150.0070.08718.22
5.6.140.0100.04718.17
5.6.130.0100.08018.18
5.6.120.0130.08021.14
5.6.110.0030.07721.04
5.6.100.0070.07321.14
5.6.90.0030.04321.00
5.6.80.0070.07720.51
5.5.350.0300.07020.52
5.5.340.0100.06317.94
5.5.330.0130.08020.44
5.5.320.0170.06720.34
5.5.310.0230.04720.34
5.5.300.0000.05317.98
5.5.290.0100.08017.98
5.5.280.0100.07720.81
5.5.270.0070.04020.75
5.5.260.0130.07720.96
5.5.250.0070.06720.70
5.5.240.0070.07320.26
5.4.450.0300.04319.41
5.4.440.0400.04719.48
5.4.430.0170.04019.30
5.4.420.0200.04019.54
5.4.410.0400.04019.18
5.4.400.0300.03718.96
5.4.390.0300.03719.16
5.4.380.0370.05018.57
5.4.370.0070.05718.82
5.4.360.0500.06018.69
5.4.350.0270.05718.57
5.4.340.0230.06018.52
5.4.320.0050.03912.50
5.4.310.0090.03712.50
5.4.300.0060.03912.50
5.4.290.0020.04712.50
5.4.280.0060.04012.39
5.4.270.0050.04612.39
5.4.260.0080.04312.39
5.4.250.0120.04512.39
5.4.240.0090.04312.39
5.4.230.0060.03712.39
5.4.220.0100.04012.39
5.4.210.0050.03812.38
5.4.200.0090.03712.38
5.4.190.0060.04112.38
5.4.180.0070.03812.38
5.4.170.0070.04012.39
5.4.160.0070.03612.39
5.4.150.0100.04012.39
5.4.140.0050.03912.07
5.4.130.0050.04012.06
5.4.120.0070.04212.02
5.4.110.0090.04112.01
5.4.100.0100.03512.01
5.4.90.0100.04112.02
5.4.80.0080.03912.01
5.4.70.0070.04212.01
5.4.60.0100.03612.00
5.4.50.0090.03612.01
5.4.40.0070.03512.00
5.4.30.0040.03811.99
5.4.20.0080.04712.00
5.4.10.0060.03812.00
5.4.00.0040.04111.48
5.3.290.0100.04512.80
5.3.280.0080.03912.71
5.3.270.0080.03812.72
5.3.260.0070.04012.71
5.3.250.0070.03712.72
5.3.240.0050.04212.72
5.3.230.0080.03712.71
5.3.220.0060.04212.68
5.3.210.0070.04012.68
5.3.200.0070.04012.68
5.3.190.0080.03812.68
5.3.180.0070.03712.68
5.3.170.0070.03912.67
5.3.160.0090.03812.68
5.3.150.0040.03912.67
5.3.140.0080.03912.66
5.3.130.0100.03612.66
5.3.120.0080.03712.66
5.3.110.0110.03512.66
5.3.100.0050.03812.11
5.3.90.0060.04212.10
5.3.80.0110.04012.09
5.3.70.0070.03912.09
5.3.60.0040.03912.07
5.3.50.0060.03712.02
5.3.40.0050.04612.02
5.3.30.0050.03611.98
5.3.20.0060.04011.76
5.3.10.0090.03611.73
5.3.00.0060.03911.71
5.2.170.0030.0349.22
5.2.160.0040.0359.22
5.2.150.0060.0299.22
5.2.140.0050.0319.22
5.2.130.0040.0349.18
5.2.120.0080.0379.18
5.2.110.0070.0359.18
5.2.100.0080.0279.18
5.2.90.0050.0299.18
5.2.80.0090.0299.17
5.2.70.0080.0309.17
5.2.60.0050.0309.13
5.2.50.0080.0369.10
5.2.40.0050.0319.07
5.2.30.0090.0359.05
5.2.20.0050.0319.03
5.2.10.0100.0308.94
5.2.00.0090.0288.80
5.1.60.0080.0298.08
5.1.50.0060.0228.08
5.1.40.0060.0298.07
5.1.30.0050.0268.41
5.1.20.0010.0318.43
5.1.10.0100.0218.16
5.1.00.0040.0278.16
5.0.50.0060.0216.64
5.0.40.0030.0226.50
5.0.30.0060.0316.31
5.0.20.0040.0206.27
5.0.10.0030.0246.25
5.0.00.0060.0296.25
4.4.90.0030.0184.78
4.4.80.0020.0194.75
4.4.70.0040.0184.76
4.4.60.0020.0184.75
4.4.50.0040.0184.77
4.4.40.0080.0234.71
4.4.30.0020.0204.76
4.4.20.0040.0184.84
4.4.10.0040.0174.85
4.4.00.0050.0454.76
4.3.110.0010.0184.66
4.3.100.0040.0204.66
4.3.90.0040.0184.63
4.3.80.0000.0314.59
4.3.70.0030.0144.63
4.3.60.0040.0214.63
4.3.50.0020.0184.63
4.3.40.0020.0264.54
4.3.30.0020.0163.30
4.3.20.0030.0243.28
4.3.10.0060.0263.24
4.3.00.0270.03016.04

preferences:
44.93 ms | 401 KiB | 5 Q