3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 1; $a = 2; function foo(&$x) { return function () use (&$x) { return $x; }; } $y = foo($a); $z = foo($x); var_dump($y(), $z()); $x = 2; var_dump($y(), $z());

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)
8.3.60.0110.00718.43
8.3.50.0110.00821.08
8.3.40.0140.00418.88
8.3.30.0000.01419.17
8.3.20.0040.00420.34
8.3.10.0040.00421.87
8.3.00.0040.00422.39
8.2.180.0060.00918.54
8.2.170.0040.01122.96
8.2.160.0070.01119.09
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0080.00019.54
8.2.110.0100.00022.03
8.2.100.0070.00417.91
8.2.90.0050.00317.97
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0000.00817.89
8.2.50.0110.00018.07
8.2.40.0000.00717.97
8.2.30.0000.00718.05
8.2.20.0000.00817.61
8.2.10.0040.00417.80
8.2.00.0030.01017.79
8.1.280.0130.00725.92
8.1.270.0040.00418.25
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00322.02
8.1.230.0040.00720.93
8.1.220.0000.00817.74
8.1.210.0050.00318.95
8.1.200.0040.00417.35
8.1.190.0000.00717.40
8.1.180.0080.00018.63
8.1.170.0080.00018.49
8.1.160.0080.00022.05
8.1.150.0000.00718.69
8.1.140.0060.00317.46
8.1.130.0000.00817.88
8.1.120.0040.00417.53
8.1.110.0000.00917.50
8.1.100.0000.00817.45
8.1.90.0040.00417.44
8.1.80.0000.00717.52
8.1.70.0000.00717.42
8.1.60.0060.00317.57
8.1.50.0000.00717.43
8.1.40.0050.00317.53
8.1.30.0000.00917.61
8.1.20.0000.00817.68
8.1.10.0040.00417.48
8.1.00.0050.00517.51
8.0.300.0050.00219.85
8.0.290.0040.00416.75
8.0.280.0040.00418.31
8.0.270.0000.00717.16
8.0.260.0040.00416.69
8.0.250.0000.00717.04
8.0.240.0080.00016.98
8.0.230.0040.00416.95
8.0.220.0030.00316.93
8.0.210.0000.00616.75
8.0.200.0050.00216.91
8.0.190.0040.00416.84
8.0.180.0030.00416.92
8.0.170.0040.00416.91
8.0.160.0040.00416.77
8.0.150.0030.00416.80
8.0.140.0030.00316.77
8.0.130.0000.00613.27
8.0.120.0000.00816.85
8.0.110.0040.00416.81
8.0.100.0040.00416.69
8.0.90.0040.00416.91
8.0.80.0100.01016.89
8.0.70.0040.00416.91
8.0.60.0000.00816.68
8.0.50.0000.00716.77
8.0.30.0120.00617.08
8.0.20.0150.00317.40
8.0.10.0070.00016.96
8.0.00.0060.01216.62
7.4.330.0050.00015.00
7.4.320.0000.00616.45
7.4.300.0040.00416.46
7.4.290.0060.00316.40
7.4.280.0030.00516.42
7.4.270.0070.00016.43
7.4.260.0070.00016.41
7.4.250.0000.00716.38
7.4.240.0020.00516.47
7.4.230.0080.00016.50
7.4.220.0140.00716.59
7.4.210.0060.01016.64
7.4.200.0040.00416.39
7.4.190.0000.00716.56
7.4.160.0120.00916.39
7.4.150.0090.00917.40
7.4.140.0130.00817.86
7.4.130.0160.00316.45
7.4.120.0090.00716.46
7.4.110.0060.01716.41
7.4.100.0100.01016.52
7.4.90.0100.00716.55
7.4.80.0130.00319.39
7.4.70.0160.00616.41
7.4.60.0120.00616.63
7.4.50.0000.00816.37
7.4.40.0030.00922.77
7.4.30.0100.00716.61
7.4.00.0110.00414.99
7.3.330.0020.00213.16
7.3.320.0000.00513.31
7.3.310.0030.00316.18
7.3.300.0000.00616.34
7.3.290.0130.00616.20
7.3.280.0100.00816.26
7.3.270.0130.00317.40
7.3.260.0060.01516.47
7.3.250.0060.01416.44
7.3.240.0100.00716.30
7.3.230.0100.01016.44
7.3.210.0110.00616.52
7.3.200.0060.01219.39
7.3.190.0120.00916.66
7.3.180.0000.02016.54
7.3.170.0000.01616.48
7.3.160.0070.00716.48
7.3.120.0060.01014.94
7.3.00.0090.00616.53
7.2.330.0090.00916.68
7.2.320.0100.01316.72
7.2.310.0090.00916.67
7.2.300.0030.01316.64
7.2.290.0130.00316.72
7.2.130.0100.00616.93
7.2.120.0120.00316.86
7.2.110.0140.00316.57
7.2.100.0060.00616.79
7.2.90.0060.00616.71
7.2.80.0090.00616.85
7.2.70.0060.01017.02
7.2.60.0030.01016.58
7.2.50.0070.00717.05
7.2.40.0040.01116.94
7.2.30.0080.00416.89
7.2.20.0070.00716.72
7.2.10.0080.00417.02
7.2.00.0050.00718.02
7.1.250.0100.00715.50
7.1.240.0030.00715.84
7.1.230.0000.01415.47
7.1.220.0070.01115.57
7.1.210.0030.00915.37
7.1.200.0070.00715.68
7.1.190.0080.00415.68
7.1.180.0000.01315.48
7.1.170.0030.01015.66
7.1.160.0130.00315.65
7.1.150.0040.01115.64
7.1.140.0070.00715.75
7.1.130.0030.01015.70
7.1.120.0080.00415.49
7.1.110.0000.01115.53
7.1.100.0040.00816.82
7.1.90.0030.01015.71
7.1.80.0000.01315.43
7.1.70.0050.00716.24
7.1.60.0070.00917.84
7.1.50.0080.00616.40
7.1.40.0090.00315.68
7.1.30.0080.00315.48
7.1.20.0060.00615.49
7.1.10.0060.00915.68
7.1.00.0060.03418.94
7.0.330.0090.00415.34
7.0.320.0070.00315.10
7.0.310.0070.00315.24
7.0.300.0040.01115.03
7.0.290.0000.00915.18
7.0.280.0070.00715.05
7.0.270.0100.00315.29
7.0.260.0030.00915.29
7.0.250.0100.00315.33
7.0.240.0060.00615.38
7.0.230.0070.00315.23
7.0.220.0090.00315.21
7.0.210.0110.00315.22
7.0.200.0070.00415.94
7.0.190.0070.01115.30
7.0.180.0080.00415.19
7.0.170.0000.01315.20
7.0.160.0080.00415.21
7.0.150.0060.00315.26
7.0.140.0050.03818.63
7.0.130.0100.00315.22
7.0.120.0100.00315.21
7.0.110.0030.00915.29
7.0.100.0040.00714.96
7.0.90.0060.00615.02
7.0.80.0040.00915.27
7.0.70.0060.00615.17
7.0.60.0030.02317.46
7.0.50.0050.04216.48
7.0.40.0090.02016.71
7.0.30.0230.03816.73
7.0.20.0100.03616.74
7.0.10.0180.04316.78
7.0.00.0070.02316.68
5.6.380.0070.00714.29
5.6.370.0040.01114.19
5.6.360.0000.01314.45
5.6.350.0060.00914.36
5.6.340.0000.01414.18
5.6.330.0060.00613.90
5.6.320.0000.01214.19
5.6.310.0070.00714.04
5.6.300.0100.00314.40
5.6.290.0120.00314.48
5.6.280.0070.04817.57
5.6.270.0000.00814.13
5.6.260.0030.01214.55
5.6.250.0050.00514.40
5.6.240.0100.00314.44
5.6.230.0090.00614.27
5.6.220.0040.00714.20
5.6.210.0080.03317.54
5.6.200.0060.02316.24
5.6.190.0080.03317.44
5.6.180.1920.02617.51
5.6.170.0200.03817.20
5.6.160.0030.02517.29
5.6.150.0000.03516.18
5.6.140.0030.03416.36
5.6.130.0060.04216.18
5.6.120.0030.05017.47
5.6.110.0070.03517.57
5.6.100.0030.05217.74
5.6.90.0030.04517.75
5.6.80.0080.04217.50
5.6.70.0170.02117.17
5.6.60.0070.00714.07
5.6.50.0030.01014.17
5.6.40.0140.00014.00
5.6.30.0070.00713.95
5.6.20.0000.00914.07
5.6.10.0040.00714.17
5.6.00.0100.00314.16
5.5.380.0050.00511.18
5.5.370.0080.00411.28
5.5.360.0030.00311.28
5.5.350.0110.01615.84
5.5.340.0050.04214.58
5.5.330.0030.03315.74
5.5.320.0100.03015.86
5.5.310.0150.03815.79
5.5.300.0020.02514.64
5.5.290.0030.04014.57
5.5.280.0030.04415.96
5.5.270.0060.02516.12
5.5.260.0030.04516.15
5.5.250.0090.03215.90
5.5.240.0050.04715.72
5.5.230.0060.00611.18
5.5.220.0040.00711.18
5.5.210.0050.00511.18
5.5.200.0000.00911.18
5.5.190.0060.00611.18
5.5.180.0030.00711.18
5.5.170.0000.00711.18
5.5.160.0000.00811.18
5.5.150.0000.00911.18
5.5.140.0050.00511.18
5.5.130.0030.00711.22
5.5.120.0000.00711.18
5.5.110.0000.00711.18
5.5.100.0040.00411.18
5.5.90.0060.00011.18
5.5.80.0040.00711.18
5.5.70.0030.00711.18
5.5.60.0080.00311.18
5.5.50.0040.00411.18
5.5.40.0030.00511.18
5.5.30.0000.01111.18
5.5.20.0040.00811.18
5.5.10.0040.00411.18
5.5.00.0040.00811.18
5.4.450.0370.02715.26
5.4.440.0200.03815.28
5.4.430.0320.02815.18
5.4.420.0350.02815.17
5.4.410.0050.03015.26
5.4.400.0210.02614.96
5.4.390.0250.02714.95
5.4.380.0190.02814.96
5.4.370.0140.02214.96
5.4.360.0080.02714.84
5.4.350.0050.01911.60
5.4.340.0070.02311.60
5.4.330.0040.00411.18
5.4.320.0070.02011.84
5.4.310.0050.02111.84
5.4.300.0050.02311.84
5.4.290.0110.01811.84
5.4.280.0020.02411.79
5.4.270.0050.02111.79
5.4.260.0090.02311.79
5.4.250.0080.04015.03
5.4.240.0070.02614.97
5.4.230.0000.03214.89
5.4.220.0130.02715.08
5.4.210.0110.03214.97
5.4.200.0070.03615.11
5.4.190.0080.02314.95
5.4.180.0090.02714.89
5.4.170.0110.02314.94
5.4.160.0030.03115.04
5.4.150.0050.02815.02
5.4.140.0050.02813.76
5.4.130.0070.02513.88
5.4.120.0050.02813.77
5.4.110.0090.02513.90
5.4.100.0160.02113.87
5.4.90.0060.02513.80
5.4.80.0080.02713.78
5.4.70.0040.03213.82
5.4.60.0120.02113.83
5.4.50.0090.02413.76
5.4.40.0050.03813.87
5.4.30.0120.02113.83
5.4.20.0110.03213.71
5.4.10.0090.02913.79
5.4.00.0050.02913.47
5.3.290.0060.02011.99
5.3.280.0050.02912.96
5.3.270.0070.03012.81
5.3.260.0030.02812.92
5.3.250.0080.02512.88
5.3.240.0080.03112.93
5.3.230.0050.02812.96
5.3.220.0080.02512.86
5.3.210.0070.02712.92
5.3.200.0080.02712.91
5.3.190.0110.02212.94
5.3.180.0130.02012.92
5.3.170.0100.02912.91
5.3.160.0030.03112.91
5.3.150.0050.02712.88
5.3.140.0030.02812.91
5.3.130.0050.04112.93
5.3.120.0030.03212.98
5.3.110.0070.03212.85
5.3.100.0030.03012.65
5.3.90.0040.02712.64
5.3.80.0030.04212.60
5.3.70.0030.02712.60
5.3.60.0020.02812.54
5.3.50.0030.02812.48
5.3.40.0070.03212.61
5.3.30.0050.02812.59
5.3.20.0050.02512.44
5.3.10.0100.01812.50
5.3.00.0030.02912.50
5.2.170.0000.03511.19
5.2.160.0020.02611.20
5.2.150.0010.03111.19
5.2.140.0050.03411.20
5.2.130.0030.02211.18
5.2.120.0030.02111.18
5.2.110.0070.02011.24
5.2.100.0020.02211.12
5.2.90.0050.03111.24
5.2.80.0000.02711.04
5.2.70.0020.02511.18
5.2.60.0060.02011.11
5.2.50.0050.02211.02
5.2.40.0050.02211.09
5.2.30.0100.02211.11
5.2.20.0020.02511.09
5.2.10.0000.02711.02
5.2.00.0070.02210.90
5.1.60.0020.02710.71
5.1.50.0050.02510.61
5.1.40.0020.02910.62
5.1.30.0050.01810.74
5.1.20.0030.02010.68
5.1.10.0040.02010.64
5.1.00.0030.02010.63
5.0.50.0020.0179.85
5.0.40.0020.0179.82
5.0.30.0050.0209.73
5.0.20.0040.0129.76
5.0.10.0080.0109.79
5.0.00.0030.0219.70
4.4.90.0000.0149.12
4.4.80.0020.0149.12
4.4.70.0030.0109.12
4.4.60.0000.0179.12
4.4.50.0030.0119.12
4.4.40.0020.0179.12
4.4.30.0000.0179.12
4.4.20.0040.0129.12
4.4.10.0070.0079.12
4.4.00.0000.0199.12
4.3.110.0050.0119.12
4.3.100.0020.0179.12
4.3.90.0010.0119.12
4.3.80.0040.0159.12
4.3.70.0000.0139.12
4.3.60.0030.0089.12
4.3.50.0050.0109.12
4.3.40.0050.0149.12
4.3.30.0000.0149.12
4.3.20.0020.0129.12
4.3.10.0030.0149.12
4.3.00.0020.0178.87

preferences:
45.99 ms | 401 KiB | 5 Q