3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function __construct() { $sally->a = "hello"; $sally->b = "hi"; $sally->val = "howdy"; $val = 'a'; echo $sally->{$val}; // outputs "hello" echo "\n"; $val = "b"; echo $sally->{$val}; // outputs "hi" echo "\n"; echo $sally->val; //outputs "howdy" echo "\n"; echo $sally->{"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)
8.3.60.0150.00318.43
8.3.50.0130.00522.05
8.3.40.0110.00718.85
8.3.30.0110.00419.17
8.3.20.0070.00020.16
8.3.10.0080.00023.70
8.3.00.0030.00619.20
8.2.180.0040.01816.75
8.2.170.0080.00822.96
8.2.160.0100.00320.51
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0030.00519.48
8.2.110.0030.00622.16
8.2.100.0080.00417.72
8.2.90.0030.00519.22
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0000.00819.82
8.2.30.0040.00418.29
8.2.20.0030.00519.52
8.2.10.0020.00518.02
8.2.00.0000.00817.56
8.1.280.0130.00725.92
8.1.270.0030.00624.01
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00324.01
8.1.230.0110.00018.99
8.1.220.0050.00317.79
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0040.00418.34
8.1.160.0050.00322.01
8.1.150.0040.00418.43
8.1.140.0040.00417.32
8.1.130.0030.00517.68
8.1.120.0030.00317.39
8.1.110.0030.00517.39
8.1.100.0040.00417.30
8.1.90.0000.00817.30
8.1.80.0000.00817.40
8.1.70.0100.00017.32
8.1.60.0000.00817.46
8.1.50.0040.00417.50
8.1.40.0050.00517.57
8.1.30.0000.00917.65
8.1.20.0040.00417.71
8.1.10.0070.00017.61
8.1.00.0070.00017.50
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0080.00018.38
8.0.270.0030.00317.08
8.0.260.0030.00317.19
8.0.250.0070.00016.84
8.0.240.0000.00716.84
8.0.230.0040.00416.83
8.0.220.0000.00716.99
8.0.210.0040.00416.88
8.0.200.0000.00716.99
8.0.190.0030.00516.93
8.0.180.0040.00416.91
8.0.170.0000.00716.91
8.0.160.0030.00316.86
8.0.150.0040.00416.72
8.0.140.0080.00316.78
8.0.130.0060.00013.31
8.0.120.0040.00416.75
8.0.110.0050.00316.86
8.0.100.0060.00316.95
8.0.90.0000.00816.86
8.0.80.0160.00616.89
8.0.70.0080.00017.02
8.0.60.0050.00216.93
8.0.50.0050.00216.94
8.0.30.0110.00716.89
8.0.20.0160.00517.40
8.0.10.0050.00316.82
8.0.00.0130.00716.72
7.4.330.0050.00015.14
7.4.320.0030.00316.52
7.4.300.0030.00316.50
7.4.290.0070.00016.48
7.4.280.0000.00816.62
7.4.270.0000.00716.48
7.4.260.0000.00716.59
7.4.250.0040.00416.46
7.4.240.0010.00616.57
7.4.230.0000.00716.60
7.4.220.0150.00916.46
7.4.210.0070.00716.52
7.4.200.0070.00016.49
7.4.160.0000.01616.50
7.4.150.0070.01117.40
7.4.140.0140.00817.86
7.4.130.0070.01216.49
7.4.120.0140.00316.49
7.4.110.0170.00016.48
7.4.100.0030.01416.64
7.4.90.0110.00616.65
7.4.80.0120.00819.39
7.4.70.0130.00416.40
7.4.60.0170.00016.54
7.4.50.0000.00816.36
7.4.40.0130.00316.67
7.4.30.0070.01016.36
7.4.00.0070.01115.08
7.3.330.0050.00013.43
7.3.320.0030.00313.42
7.3.310.0040.00416.41
7.3.300.0030.00316.37
7.3.290.0120.00816.41
7.3.280.0090.00816.44
7.3.270.0100.00717.40
7.3.260.0130.00716.32
7.3.250.0100.01016.47
7.3.240.0170.00016.35
7.3.230.0090.00916.57
7.3.210.0060.01016.33
7.3.200.0070.01019.39
7.3.190.0140.00816.45
7.3.180.0070.01316.46
7.3.170.0100.00916.40
7.3.160.0110.00416.59
7.3.120.0070.01014.90
7.2.330.0130.01016.77
7.2.320.0130.01016.69
7.2.310.0120.00616.57
7.2.300.0150.00416.58
7.2.290.0140.00716.74
7.2.60.0100.00316.98
7.1.200.0110.00815.48
7.1.70.0030.00917.13
7.1.60.0090.01619.70
7.1.50.0070.01716.92
7.1.00.0100.07022.31
7.0.200.0060.00316.86
7.0.140.0100.06722.15
7.0.100.0170.04021.70
7.0.90.0130.04320.09
7.0.80.0070.04019.91
7.0.70.0070.04019.89
7.0.60.0000.04319.74
7.0.50.0100.04720.31
7.0.40.0000.04320.04
7.0.30.0000.04720.00
7.0.20.0130.04020.18
7.0.10.0030.04720.08
7.0.00.0130.03720.17
5.6.280.0030.07321.10
5.6.250.0030.04020.70
5.6.240.0070.03720.61
5.6.230.0200.02720.67
5.6.220.0000.04320.63
5.6.210.0030.04020.42
5.6.200.0000.04721.01
5.6.190.0000.04721.04
5.6.180.0000.04321.12
5.6.170.0070.03721.03
5.6.160.0070.04021.10
5.6.150.0000.04721.07
5.6.140.0100.03321.05
5.6.130.0070.04020.91
5.6.120.0030.04320.96
5.6.110.0070.04021.04
5.6.100.0070.04021.02
5.6.90.0100.03721.00
5.6.80.0030.04020.32
5.6.70.0000.04320.32
5.6.60.0130.06720.45
5.6.50.0030.08320.46
5.6.40.0100.07020.53
5.6.30.0030.07020.37
5.6.20.0030.04020.32
5.6.10.0070.08020.37
5.6.00.0030.04320.51
5.5.380.0030.04020.33
5.5.370.0030.04320.45
5.5.360.0000.04720.26
5.5.350.0070.03720.37
5.5.340.0070.03720.73
5.5.330.0070.04020.88
5.5.320.0030.04020.87
5.5.310.0070.04020.77
5.5.300.0030.04020.87
5.5.290.0070.04020.86
5.5.280.0100.03720.64
5.5.270.0070.05320.88
5.5.260.0030.04320.92
5.5.250.0030.04020.68
5.5.240.0030.05020.28
5.5.230.0100.08020.24
5.5.220.0070.07020.20
5.5.210.0130.05320.26
5.5.200.0130.05320.27
5.5.190.0170.03020.27
5.5.180.0030.04320.21
5.5.160.0070.06720.18
5.5.150.0030.04019.99
5.5.140.0030.06020.11
5.5.130.0130.06320.18
5.5.120.0030.05719.99
5.5.110.0100.07320.24
5.5.100.0100.07019.98
5.5.90.0070.07720.16
5.5.80.0030.08020.00
5.5.70.0130.06320.02
5.5.60.0030.07320.09
5.5.50.0030.06020.15
5.5.40.0070.06719.94
5.5.30.0030.05720.15
5.5.20.0030.04020.04
5.5.10.0070.07719.97
5.5.00.0100.06720.08
5.4.450.0030.04019.56
5.4.440.0030.04019.55
5.4.430.0000.05019.36
5.4.420.0030.04019.41
5.4.410.0030.04019.40
5.4.400.0100.07719.13
5.4.390.0130.07019.23
5.4.380.0000.04018.90
5.4.370.0100.07319.25
5.4.360.0100.05719.04
5.4.350.0030.04019.09
5.4.340.0130.03319.10
5.4.320.0130.03719.02
5.4.310.0100.03019.05
5.4.300.0000.06719.16
5.4.290.0030.07319.05
5.4.280.0000.04018.94
5.4.270.0030.04019.21
5.4.260.0130.07319.04
5.4.250.0030.06019.22
5.4.240.0000.05719.06
5.4.230.0030.07319.20
5.4.220.0030.03719.11
5.4.210.0030.06719.04
5.4.200.0130.07318.89
5.4.190.0100.07018.89
5.4.180.0030.06019.02
5.4.170.0170.05319.15
5.4.160.0100.03019.00
5.4.150.0000.04018.93
5.4.140.0130.06316.42
5.4.130.0100.07016.41
5.4.120.0030.03316.42
5.4.110.0070.04016.34
5.4.100.0030.07016.33
5.4.90.0130.05316.36
5.4.80.0130.06016.33
5.4.70.0130.04716.48
5.4.60.0070.03316.42
5.4.50.0030.03316.24
5.4.40.0030.03316.49
5.4.30.0200.04316.39
5.4.20.0130.05716.45
5.4.10.0130.06316.39
5.4.00.0070.06715.86
5.3.290.0100.05714.73
5.3.280.0000.08014.74
5.3.270.0130.02714.67
5.3.260.0030.08014.65
5.3.250.0030.07314.53
5.3.240.0100.07314.74
5.3.230.0100.07314.53
5.3.220.0070.04014.61
5.3.210.0070.07014.62
5.3.200.0000.04314.63
5.3.190.0030.06714.62
5.3.180.0000.08014.63
5.3.170.0070.06014.69
5.3.160.0000.06714.55
5.3.150.0100.03014.70
5.3.140.0070.06714.62
5.3.130.0100.05714.61
5.3.120.0030.04314.54
5.3.110.0070.03314.59
5.3.100.0100.06014.02
5.3.90.0100.04714.15
5.3.80.0030.07013.91
5.3.70.0100.06014.13
5.3.60.0030.04714.14
5.3.50.0000.07314.08
5.3.40.0070.03313.97
5.3.30.0030.06013.84
5.3.20.0030.07713.76
5.3.10.0070.03313.66
5.3.00.0030.07013.63
5.2.170.0030.03012.71
5.2.160.0070.06012.71
5.2.150.0030.03012.71
5.2.140.0030.03012.71
5.2.130.0070.05012.71
5.2.120.0030.02712.71
5.2.110.0000.06312.71
5.2.100.0000.06012.71
5.2.90.0100.05012.71
5.2.80.0030.05712.71
5.2.70.0000.03312.71
5.2.60.0030.05712.71
5.2.50.0070.05712.71
5.2.40.0070.06012.71
5.2.30.0030.05312.71
5.2.20.0030.02712.71
5.2.10.0000.06312.71
5.2.00.0030.06012.71
5.1.60.0000.04312.71
5.1.50.0000.04712.71
5.1.40.0070.04312.71
5.1.30.0030.04712.71
5.1.20.0070.05712.71
5.1.10.0030.03312.71
5.1.00.0030.03012.71
5.0.50.0030.04312.71
5.0.40.0070.02712.71
5.0.30.0030.06712.71
5.0.20.0030.02312.71
5.0.10.0070.02312.71
5.0.00.0070.06012.71
4.4.90.0030.03312.71
4.4.80.0070.03312.71
4.4.70.0000.02312.71
4.4.60.0000.01712.71
4.4.50.0000.01712.71
4.4.40.0070.05312.71
4.4.30.0000.04012.71
4.4.20.0000.02012.71
4.4.10.0000.02312.71
4.4.00.0070.05312.71
4.3.110.0000.02312.71
4.3.100.0000.01712.71
4.3.90.0000.02312.71
4.3.80.0030.02712.71
4.3.70.0030.03012.71
4.3.60.0000.03312.71
4.3.50.0000.03712.71
4.3.40.0000.02712.71
4.3.30.0000.02312.71
4.3.20.0030.03012.71
4.3.10.0000.02712.71
4.3.00.0000.03312.71

preferences:
38.74 ms | 401 KiB | 5 Q