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 "\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)
8.3.60.0070.00718.43
8.3.50.0140.00822.05
8.3.40.0150.00618.97
8.3.30.0120.00619.11
8.3.20.0030.00520.21
8.3.10.0080.00022.10
8.3.00.0060.00322.45
8.2.180.0140.00716.73
8.2.170.0070.00722.96
8.2.160.0070.00719.21
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0040.01126.16
8.2.120.0000.01117.62
8.2.110.0040.00422.27
8.2.100.0110.00019.57
8.2.90.0090.00019.23
8.2.80.0000.00818.03
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0060.00319.92
8.2.30.0040.00418.07
8.2.20.0000.00817.59
8.2.10.0000.00717.73
8.2.00.0040.00417.73
8.1.280.0170.00325.92
8.1.270.0060.00321.93
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.86
8.1.230.0040.00719.14
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0000.00817.51
8.1.180.0040.00418.74
8.1.170.0060.00318.59
8.1.160.0030.00322.24
8.1.150.0000.00718.63
8.1.140.0080.00017.44
8.1.130.0030.00617.71
8.1.120.0030.00317.37
8.1.110.0000.00717.46
8.1.100.0030.00317.39
8.1.90.0040.00417.44
8.1.80.0040.00417.39
8.1.70.0000.00717.46
8.1.60.0000.00817.48
8.1.50.0000.00717.54
8.1.40.0050.00217.50
8.1.30.0000.00817.44
8.1.20.0040.00417.59
8.1.10.0050.00317.48
8.1.00.0000.00817.54
8.0.300.0070.00018.77
8.0.290.0030.00317.18
8.0.280.0040.00418.43
8.0.270.0070.00017.12
8.0.260.0000.00616.70
8.0.250.0000.00716.84
8.0.240.0030.00316.98
8.0.230.0030.00316.84
8.0.220.0000.00616.78
8.0.210.0000.00816.88
8.0.200.0000.00716.83
8.0.190.0090.00016.90
8.0.180.0030.00516.80
8.0.170.0080.00016.86
8.0.160.0040.00416.91
8.0.150.0000.00716.94
8.0.140.0000.00816.88
8.0.130.0040.00413.30
8.0.120.0000.00816.88
8.0.110.0040.00416.86
8.0.100.0030.00516.70
8.0.90.0040.00416.68
8.0.80.0070.01416.89
8.0.70.0000.00816.71
8.0.60.0050.00316.89
8.0.50.0050.00216.68
8.0.30.0080.01117.15
8.0.20.0150.00317.40
8.0.10.0040.00416.99
8.0.00.0080.00816.70
7.4.330.0050.00015.09
7.4.320.0070.00016.49
7.4.300.0060.00016.59
7.4.290.0000.00716.53
7.4.280.0030.00316.58
7.4.270.0040.00416.56
7.4.260.0080.00016.57
7.4.250.0040.00416.38
7.4.240.0020.00516.48
7.4.230.0000.00716.61
7.4.220.0120.00616.58
7.4.210.0070.00916.58
7.4.200.0000.00716.47
7.4.190.0040.00416.65
7.4.160.0100.00716.31
7.4.150.0140.00317.40
7.4.140.0090.01117.86
7.4.130.0140.00316.29
7.4.120.0080.00816.50
7.4.110.0130.00916.29
7.4.100.0100.01316.42
7.4.90.0080.00816.48
7.4.80.0080.00819.39
7.4.70.0100.00716.48
7.4.60.0090.00916.39
7.4.50.0030.00316.24
7.4.40.0060.00622.77
7.4.30.0100.00616.32
7.4.10.0040.01414.84
7.4.00.0090.00415.04
7.3.330.0050.00013.35
7.3.320.0000.00513.31
7.3.310.0030.00316.32
7.3.300.0000.00716.23
7.3.290.0130.00716.37
7.3.280.0050.01016.36
7.3.270.0030.01917.40
7.3.260.0090.00916.59
7.3.250.0090.00916.53
7.3.240.0130.00316.32
7.3.230.0120.00916.39
7.3.210.0150.00316.30
7.3.200.0100.00719.39
7.3.190.0090.00916.52
7.3.180.0130.00716.34
7.3.170.0140.00716.55
7.3.160.0090.00616.63
7.3.130.0080.00614.76
7.3.120.0060.00814.74
7.3.110.0110.00714.68
7.3.100.0040.01114.66
7.3.90.0030.01314.99
7.3.80.0090.00015.09
7.3.70.0070.00714.87
7.3.60.0070.00414.80
7.3.50.0050.00514.77
7.3.40.0050.00414.77
7.3.30.0030.01014.94
7.3.20.0070.00316.61
7.3.10.0000.01516.43
7.3.00.0000.01316.55
7.2.330.0060.01216.80
7.2.320.0090.00916.50
7.2.310.0090.01416.58
7.2.300.0060.00916.62
7.2.290.0070.01016.47
7.2.260.0000.01815.25
7.2.250.0090.00914.95
7.2.240.0100.00314.49
7.2.230.0000.01215.25
7.2.220.0000.00914.79
7.2.210.0080.00414.94
7.2.200.0030.00714.67
7.2.190.0070.00314.70
7.2.180.0040.01114.82
7.2.170.0060.00615.05
7.2.160.0080.00415.25
7.2.150.0060.00616.66
7.2.140.0000.01416.96
7.2.130.0030.01016.66
7.2.120.0000.01017.05
7.2.110.0030.01216.88
7.2.100.0070.01117.00
7.2.90.0080.00816.69
7.2.80.0110.00316.80
7.2.70.0000.01716.87
7.2.60.0140.00216.88
7.2.50.0070.00817.00
7.2.40.0080.00817.05
7.2.30.0040.01116.97
7.2.20.0060.01216.84
7.2.10.0040.00716.91
7.2.00.0080.00816.87
7.1.330.0070.00715.71
7.1.320.0040.00415.65
7.1.310.0000.01115.84
7.1.300.0060.00615.80
7.1.290.0070.00415.67
7.1.280.0070.00715.73
7.1.270.0040.00415.71
7.1.260.0060.00615.43
7.1.250.0060.00315.61
7.1.240.0040.00715.49
7.1.230.0060.00615.66
7.1.220.0110.00315.69
7.1.210.0060.00615.52
7.1.200.0040.00715.73
7.1.190.0030.00915.71
7.1.180.0060.00315.63
7.1.170.0060.00315.88
7.1.160.0070.00715.83
7.1.150.0040.00715.63
7.1.140.0060.00315.34
7.1.130.0040.01115.55
7.1.120.0070.00315.69
7.1.110.0060.00915.77
7.1.100.0040.00415.71
7.1.90.0000.01515.74
7.1.80.0100.00615.87
7.1.70.0040.00816.48
7.1.60.0050.01317.72
7.1.50.0080.01016.34
7.1.40.0040.00815.70
7.1.30.0040.01115.34
7.1.20.0030.00715.64
7.1.10.0080.00315.66
7.1.00.0050.04118.90
7.0.330.0060.00615.27
7.0.320.0060.00615.31
7.0.310.0060.00615.44
7.0.300.0060.00915.34
7.0.290.0040.00715.37
7.0.280.0000.01015.16
7.0.270.0050.00515.33
7.0.260.0070.00715.14
7.0.250.0090.00315.50
7.0.240.0070.00715.44
7.0.230.0070.01115.47
7.0.220.0070.01015.38
7.0.210.0030.00715.48
7.0.200.0060.00616.13
7.0.190.0030.00915.42
7.0.180.0040.01115.40
7.0.170.0060.00615.52
7.0.160.0090.00315.24
7.0.150.0060.00915.28
7.0.140.0060.04018.79
7.0.130.0030.00615.32
7.0.120.0100.00315.48
7.0.110.0100.03517.70
7.0.100.0050.04917.60
7.0.90.0030.03217.54
7.0.80.0050.04917.58
7.0.70.0100.04217.53
7.0.60.0130.03817.55
7.0.50.0080.03317.77
7.0.40.0120.04216.69
7.0.30.0070.02316.87
7.0.20.0070.04316.84
7.0.10.0070.04416.77
7.0.00.0090.04716.81
5.6.400.0030.00714.39
5.6.390.0040.00814.17
5.6.380.0000.01114.55
5.6.370.0040.01114.68
5.6.360.0060.00614.34
5.6.350.0040.00814.27
5.6.340.0000.00814.18
5.6.330.0040.00414.42
5.6.320.0100.00314.48
5.6.310.0030.01014.46
5.6.300.0000.01414.62
5.6.290.0070.01014.31
5.6.280.0030.03817.66
5.6.270.0060.00314.49
5.6.260.0040.01114.29
5.6.250.0030.04417.38
5.6.240.0090.04217.59
5.6.230.0060.04317.58
5.6.220.0050.03517.57
5.6.210.0030.05117.48
5.6.200.0050.04817.64
5.6.190.0120.03817.64
5.6.180.0080.04317.78
5.6.170.0110.04317.77
5.6.160.0030.04517.74
5.6.150.0050.04217.68
5.6.140.0060.04517.88
5.6.130.0080.04317.74
5.6.120.0080.04317.71
5.6.110.0020.03217.63
5.6.100.0050.04517.61
5.6.90.0090.03017.79
5.6.80.0090.04217.41
5.6.70.0030.04517.26
5.6.60.0080.04417.21
5.6.50.0100.03717.17
5.6.40.0060.04317.23
5.6.30.0030.04317.17
5.6.20.0090.04017.39
5.6.10.0120.03517.34
5.6.00.0050.02817.26
5.5.380.0070.03617.29
5.5.370.0040.02417.33
5.5.360.0070.03017.40
5.5.350.0070.04717.49
5.5.340.0030.04917.37
5.5.330.0070.04617.61
5.5.320.0110.03017.39
5.5.310.0050.02517.49
5.5.300.0060.02517.46
5.5.290.0100.04117.70
5.5.280.0020.04817.66
5.5.270.0100.04017.66
5.5.260.0070.04417.41
5.5.250.0120.03817.40
5.5.240.0080.04017.09
5.5.230.0110.04117.24
5.5.220.0060.04017.26
5.5.210.0080.04117.17
5.5.200.0070.04016.97
5.5.190.0070.04117.16
5.5.180.0050.04617.21
5.5.170.0030.01014.09
5.5.160.0060.04217.14
5.5.150.0060.02117.17
5.5.140.0070.04717.28
5.5.130.0070.04417.07
5.5.120.0030.04717.32
5.5.110.0110.03917.04
5.5.100.0050.02517.17
5.5.90.0030.04717.07
5.5.80.0080.04017.13
5.5.70.0100.02817.05
5.5.60.0050.02817.12
5.5.50.0070.04217.09
5.5.40.0070.02316.93
5.5.30.0100.04217.28
5.5.20.0070.04717.19
5.5.10.0100.04016.97
5.5.00.0080.03017.06
5.4.450.0100.04115.70
5.4.440.0100.03815.66
5.4.430.0030.04715.77
5.4.420.0030.04215.62
5.4.410.0070.04015.54
5.4.400.0050.03915.57
5.4.390.0050.04215.47
5.4.380.0030.04215.47
5.4.370.0090.03815.49
5.4.360.0120.03015.43
5.4.350.0120.03615.61
5.4.340.0080.02015.56
5.4.330.0000.00611.90
5.4.320.0040.04015.62
5.4.310.0090.03115.49
5.4.300.0070.04215.61
5.4.290.0070.03715.44
5.4.280.0110.03615.45
5.4.270.0050.04115.54
5.4.260.0050.03615.45
5.4.250.0060.03715.61
5.4.240.0070.02415.45
5.4.230.0070.03915.54
5.4.220.0080.03815.49
5.4.210.0070.03715.58
5.4.200.0120.03515.46
5.4.190.0050.04215.42
5.4.180.0070.03515.45
5.4.170.0090.02515.45
5.4.160.0100.03815.52
5.4.150.0070.03515.41
5.4.140.0030.03814.22
5.4.130.0060.04014.24
5.4.120.0070.03414.12
5.4.110.0070.04014.16
5.4.100.0060.04014.16
5.4.90.0030.04114.24
5.4.80.0050.04014.07
5.4.70.0130.03114.22
5.4.60.0100.03414.18
5.4.50.0030.04314.19
5.4.40.0150.03114.07
5.4.30.0020.04414.19
5.4.20.0030.02714.22
5.4.10.0030.03814.19
5.4.00.0050.03713.85
5.3.290.0060.04213.33
5.3.280.0030.02713.26
5.3.270.0050.03613.26
5.3.260.0090.03813.32
5.3.250.0060.03813.25
5.3.240.0090.03013.25
5.3.230.0100.03213.32
5.3.220.0100.03313.25
5.3.210.0020.04213.28
5.3.200.0050.03513.24
5.3.190.0030.03313.23
5.3.180.0050.04113.24
5.3.170.0010.04313.23
5.3.160.0050.04113.29
5.3.150.0030.04013.29
5.3.140.0060.03013.21
5.3.130.0030.04613.22
5.3.120.0030.02613.23
5.3.110.0050.04513.23
5.3.100.0080.03512.97
5.3.90.0080.03712.97
5.3.80.0100.03412.96
5.3.70.0080.03712.89
5.3.60.0030.04312.96
5.3.50.0060.03612.92
5.3.40.0060.03412.91
5.3.30.0050.03812.91
5.3.20.0020.03012.80
5.3.10.0070.03712.71
5.3.00.0070.04112.80
5.2.170.0030.03011.14
5.2.160.0070.05711.21
5.2.150.0030.04311.27
5.2.140.0070.05711.15
5.2.130.0070.05310.95
5.2.120.0000.06011.05
5.2.110.0100.05011.07
5.2.100.0030.06311.33
5.2.90.0100.05311.20
5.2.80.0070.06311.16
5.2.70.0070.06011.10
5.2.60.0070.06011.18
5.2.50.0000.06711.16
5.2.40.0070.05311.01
5.2.30.0100.03011.20
5.2.20.0070.05311.08
5.2.10.0030.06310.85
5.2.00.0030.06310.77
5.1.60.0030.05310.05
5.1.50.0070.0539.97
5.1.40.0070.0479.95
5.1.30.0030.05710.31
5.1.20.0030.03010.43
5.1.10.0030.05710.06
5.1.00.0130.04310.06
5.0.50.0000.0278.61
5.0.40.0030.0478.48
5.0.30.0000.0638.20
5.0.20.0070.0378.35
5.0.10.0030.0338.16
5.0.00.0070.0638.32
4.4.90.0030.0337.91
4.4.80.0030.0207.91
4.4.70.0000.0407.91
4.4.60.0100.0307.91
4.4.50.0030.0337.91
4.4.40.0000.0537.91
4.4.30.0030.0377.91
4.4.20.0000.0377.91
4.4.10.0000.0377.91
4.4.00.0000.0537.91
4.3.110.0030.0307.91
4.3.100.0030.0337.91
4.3.90.0000.0407.91
4.3.80.0000.0577.91
4.3.70.0070.0307.91
4.3.60.0030.0337.91
4.3.50.0030.0377.91
4.3.40.0030.0537.91
4.3.30.0030.0337.91
4.3.20.0000.0377.91
4.3.10.0000.0307.91
4.3.00.0030.0177.91

preferences:
39.36 ms | 401 KiB | 5 Q