3v4l.org

run code in 300+ PHP versions simultaneously
<?php global $a; $a = 'a'; function foo() { var_dump($a); } 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)
8.3.40.0120.00318.66
8.3.30.0140.00318.84
8.3.20.0030.00620.25
8.3.10.0060.00321.96
8.3.00.0040.00422.57
8.2.170.0170.00322.96
8.2.160.0140.00019.21
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.25
8.2.110.0030.00622.25
8.2.100.0120.00019.58
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0050.00517.80
8.2.50.0030.00518.07
8.2.40.0000.00718.22
8.2.30.0070.00017.86
8.2.20.0000.00717.52
8.2.10.0050.00317.58
8.2.00.0030.00617.71
8.1.270.0030.00622.19
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00023.87
8.1.230.0040.00719.10
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00517.30
8.1.180.0000.00818.60
8.1.170.0030.00518.46
8.1.160.0040.00422.18
8.1.150.0080.00018.60
8.1.140.0000.00917.31
8.1.130.0070.00017.72
8.1.120.0000.00717.41
8.1.110.0040.00417.42
8.1.100.0080.00017.35
8.1.90.0040.00417.46
8.1.80.0000.00817.40
8.1.70.0000.00717.35
8.1.60.0070.00017.46
8.1.50.0040.00417.40
8.1.40.0050.00317.41
8.1.30.0000.00817.64
8.1.20.0050.00417.46
8.1.10.0030.00517.31
8.1.00.0000.00717.34
8.0.300.0050.00218.77
8.0.290.0000.00817.05
8.0.280.0000.00818.36
8.0.270.0030.00317.10
8.0.260.0030.00316.80
8.0.250.0070.00016.98
8.0.240.0070.00016.94
8.0.230.0000.00816.95
8.0.220.0040.00416.86
8.0.210.0040.00416.78
8.0.200.0030.00316.91
8.0.190.0080.00016.95
8.0.180.0070.00016.77
8.0.170.0000.00716.90
8.0.160.0040.00416.86
8.0.150.0050.00216.83
8.0.140.0000.00716.79
8.0.130.0030.00313.30
8.0.120.0000.00916.83
8.0.110.0090.00016.75
8.0.100.0000.00716.75
8.0.90.0000.00716.83
8.0.80.0070.00716.80
8.0.70.0030.00516.83
8.0.60.0030.00316.90
8.0.50.0040.00416.93
8.0.30.0160.00316.83
8.0.20.0160.00117.40
8.0.10.0040.00416.98
8.0.00.0100.00716.76
7.4.330.0030.00315.00
7.4.320.0000.00616.43
7.4.300.0000.00616.52
7.4.290.0000.00816.50
7.4.280.0060.00616.59
7.4.270.0030.00516.43
7.4.260.0040.00416.61
7.4.250.0040.00416.50
7.4.240.0050.00216.51
7.4.230.0030.00516.66
7.4.220.0070.01016.49
7.4.210.0080.00716.56
7.4.200.0000.00716.66
7.4.190.0070.00016.44
7.4.160.0120.00316.34
7.4.150.0110.00617.40
7.4.140.0140.01417.86
7.4.130.0100.00716.48
7.4.120.0080.01016.39
7.4.110.0000.01616.71
7.4.100.0060.01616.66
7.4.90.0090.01916.46
7.4.80.0030.01319.39
7.4.70.0060.01416.33
7.4.60.0100.00716.42
7.4.50.0040.00416.52
7.4.40.0060.00922.77
7.4.30.0060.01816.61
7.4.10.0100.01015.19
7.4.00.0090.00814.78
7.3.330.0000.00513.36
7.3.320.0000.00513.29
7.3.310.0070.00016.39
7.3.300.0070.00016.16
7.3.290.0040.01116.27
7.3.280.0050.01016.26
7.3.270.0060.01117.40
7.3.260.0100.01416.31
7.3.250.0060.01116.38
7.3.240.0090.00916.25
7.3.230.0100.00616.43
7.3.210.0030.01416.22
7.3.200.0110.01119.39
7.3.190.0080.01216.56
7.3.180.0080.00816.36
7.3.170.0030.01716.33
7.3.160.0060.00916.35
7.3.130.0030.01714.69
7.3.120.0070.01014.96
7.3.110.0060.01014.55
7.3.100.0080.00414.93
7.3.90.0070.00314.71
7.3.80.0030.00614.41
7.3.70.0030.01014.84
7.3.60.0070.00414.51
7.3.50.0060.00614.69
7.3.40.0070.00714.80
7.3.30.0110.00414.60
7.3.20.0080.00416.68
7.3.10.0040.00716.57
7.3.00.0070.00316.51
7.2.330.0070.01116.22
7.2.320.0070.01516.29
7.2.310.0130.01016.64
7.2.300.0060.01016.15
7.2.290.0060.01216.63
7.2.260.0150.00614.65
7.2.250.0100.01015.04
7.2.240.0070.00714.91
7.2.230.0110.00714.95
7.2.220.0030.00714.89
7.2.210.0090.00014.84
7.2.200.0030.01014.81
7.2.190.0060.00614.57
7.2.180.0060.00914.84
7.2.170.0030.01214.90
7.2.160.0040.00714.78
7.2.150.0060.00616.90
7.2.140.0030.00916.86
7.2.130.0000.01016.86
7.2.120.0060.00616.85
7.2.110.0090.00616.75
7.2.100.0060.00316.76
7.2.90.0070.00416.93
7.2.80.0040.00816.51
7.2.70.0060.00916.57
7.2.60.0080.00716.56
7.2.50.0060.00916.76
7.2.40.0090.00316.72
7.2.30.0070.00716.52
7.2.20.0030.01016.82
7.2.10.0090.00016.73
7.2.00.0070.00317.95
7.1.330.0070.00715.77
7.1.320.0030.00715.79
7.1.310.0060.00615.75
7.1.300.0080.00815.45
7.1.290.0070.00715.73
7.1.280.0040.00715.52
7.1.270.0000.01415.76
7.1.260.0090.00315.75
7.1.250.0100.00315.64
7.1.240.0040.00415.73
7.1.230.0030.00715.47
7.1.220.0000.01115.63
7.1.210.0040.00415.84
7.1.200.0060.00715.81
7.1.190.0070.01015.86
7.1.180.0090.00615.62
7.1.170.0060.00615.67
7.1.160.0030.01015.66
7.1.150.0070.00315.77
7.1.140.0030.00615.47
7.1.130.0060.00615.73
7.1.120.0030.00515.75
7.1.110.0110.00315.90
7.1.100.0030.01115.84
7.1.90.0030.00615.62
7.1.80.0040.00715.66
7.1.70.0080.00516.45
7.1.60.0030.00816.40
7.1.50.0100.00916.29
7.1.40.0030.01015.44
7.1.30.0070.00715.60
7.1.20.0030.01015.72
7.1.10.0100.00615.84
7.1.00.0060.03919.01
7.0.330.0030.00615.33
7.0.320.0000.01015.29
7.0.310.0030.01015.35
7.0.300.0030.00615.39
7.0.290.0090.00315.17
7.0.280.0040.00715.08
7.0.270.0090.00315.34
7.0.260.0070.00715.44
7.0.250.0000.01015.13
7.0.240.0070.00715.36
7.0.230.0040.01115.37
7.0.220.0030.01015.10
7.0.210.0090.00315.29
7.0.200.0040.00616.01
7.0.190.0000.01015.05
7.0.180.0090.00315.33
7.0.170.0030.00615.32
7.0.160.0060.00915.07
7.0.150.0030.00615.10
7.0.140.0020.04218.77
7.0.130.0040.00415.32
7.0.120.0070.00715.37
7.0.110.0000.01515.36
7.0.100.0030.01415.40
7.0.90.0030.01315.52
7.0.80.0060.00315.28
7.0.70.0100.00315.43
7.0.60.0080.03417.75
7.0.50.0020.02616.62
7.0.40.0070.02816.68
7.0.30.0220.02816.76
7.0.20.0180.03916.83
7.0.10.0150.03816.85
7.0.00.0070.04016.79
5.6.400.0030.01014.43
5.6.390.0060.00614.05
5.6.380.0040.00814.20
5.6.370.0000.00814.54
5.6.360.0040.00414.11
5.6.350.0070.00714.10
5.6.340.0050.00514.05
5.6.330.0030.01414.07
5.6.320.0030.00913.91
5.6.310.0060.00614.02
5.6.300.0030.00913.94
5.6.290.0070.00713.98
5.6.280.0050.03917.60
5.6.270.0040.01514.22
5.6.260.0060.01214.12
5.6.250.0100.00714.28
5.6.240.0070.01014.43
5.6.230.0000.01514.24
5.6.220.0030.01114.14
5.6.210.0080.04017.33
5.6.200.0130.04216.16
5.6.190.0080.04817.57
5.6.180.1720.02517.37
5.6.170.0160.03017.43
5.6.160.0140.03517.47
5.6.150.0050.04616.21
5.6.140.0070.04516.20
5.6.130.0030.02816.15
5.6.120.0140.03717.69
5.6.110.0100.02517.41
5.6.100.0110.04217.52
5.6.90.0050.04817.63
5.6.80.0100.01817.39
5.6.70.0180.02717.23
5.6.60.0100.00313.96
5.6.50.0090.00314.25
5.6.40.0070.00313.88
5.6.30.0030.00614.18
5.6.20.0000.01114.25
5.6.10.0070.00714.22
5.6.00.0060.00314.07
5.5.380.0040.00413.89
5.5.370.0060.00613.70
5.5.360.0050.00913.91
5.5.350.0040.04917.29
5.5.340.0090.04215.90
5.5.330.0070.02317.32
5.5.320.0170.04217.12
5.5.310.0110.02217.06
5.5.300.0000.02815.90
5.5.290.0080.03616.04
5.5.280.0100.03817.48
5.5.270.0030.02817.47
5.5.260.0100.04217.44
5.5.250.0080.03617.17
5.5.240.0070.04216.88
5.5.230.0100.00313.98
5.5.220.0000.01413.64
5.5.210.0080.00313.71
5.5.200.0030.00614.19
5.5.190.0070.00714.22
5.5.180.0030.01314.10
5.5.170.0040.00714.14
5.5.160.0000.00814.07
5.5.150.0040.01113.92
5.5.140.0040.01013.88
5.5.130.0070.00714.02
5.5.120.0030.01013.77
5.5.110.0060.00914.07
5.5.100.0090.00713.82
5.5.90.0120.00413.88
5.5.80.0030.00713.86
5.5.70.0100.00713.90
5.5.60.0080.00514.07
5.5.50.0030.01213.85
5.5.40.0060.00913.87
5.5.30.0030.01014.08
5.5.20.0040.01113.82
5.5.10.0100.00713.71
5.5.00.0000.01213.89
5.4.450.0400.03515.23
5.4.440.0300.03815.31
5.4.430.0060.03315.22
5.4.420.0070.03015.24
5.4.410.0090.03415.25
5.4.400.0380.00414.87
5.4.390.0400.00414.72
5.4.380.0220.02314.81
5.4.370.0320.03414.78
5.4.360.0450.02614.66
5.4.350.0410.02814.81
5.4.340.0420.03114.73
5.4.330.0030.00910.89
5.4.320.0020.02311.60
5.4.310.0050.02811.58
5.4.300.0050.02111.70
5.4.290.0060.02211.51
5.4.280.0050.02211.54
5.4.270.0090.02411.51
5.4.260.0070.03014.81
5.4.250.0050.03814.92
5.4.240.0060.03114.78
5.4.230.0070.03215.03
5.4.220.0070.04314.99
5.4.210.0100.03814.91
5.4.200.0120.03514.84
5.4.190.0110.03014.71
5.4.180.0050.02914.82
5.4.170.0080.03914.76
5.4.160.0020.03314.77
5.4.150.0070.03014.91
5.4.140.0080.02713.65
5.4.130.0030.03113.77
5.4.120.0020.03213.61
5.4.110.0110.02313.68
5.4.100.0100.02513.57
5.4.90.0030.03313.74
5.4.80.0080.03913.68
5.4.70.0110.02513.81
5.4.60.0110.02313.62
5.4.50.0080.02813.78
5.4.40.0080.02413.73
5.4.30.0070.02513.66
5.4.20.0120.03013.67
5.4.10.0030.03313.73
5.4.00.0050.03013.34
5.3.290.0050.02911.58
5.3.280.0100.03012.50
5.3.270.0140.03612.68
5.3.260.0030.03312.63
5.3.250.0030.03012.55
5.3.240.0050.03012.53
5.3.230.0090.02412.51
5.3.220.0100.02812.62
5.3.210.0080.02712.55
5.3.200.0080.03512.51
5.3.190.0110.03012.54
5.3.180.0070.03412.56
5.3.170.0060.02812.61
5.3.160.0050.02912.60
5.3.150.0100.02412.60
5.3.140.0030.03012.64
5.3.130.0100.03212.52
5.3.120.0070.03512.54
5.3.110.0070.03112.55
5.3.100.0050.03212.19
5.3.90.0120.02512.36
5.3.80.0060.02912.14
5.3.70.0050.03312.18
5.3.60.0080.02512.26
5.3.50.0080.03512.19
5.3.40.0050.03012.25
5.3.30.0030.03512.17
5.3.20.0030.03912.05
5.3.10.0020.03312.04
5.3.00.0100.02812.04
5.2.170.0030.04711.22
5.2.160.0070.04710.96
5.2.150.0070.04711.13
5.2.140.0230.04311.09
5.2.130.0130.03311.08
5.2.120.0100.03311.27
5.2.110.0030.05711.31
5.2.100.0070.03710.99
5.2.90.0070.04011.18
5.2.80.0070.04011.17
5.2.70.0030.04011.15
5.2.60.0070.04011.04
5.2.50.0030.06310.99
5.2.40.0070.04711.08
5.2.30.0100.03310.92
5.2.20.0030.05711.13
5.2.10.0030.04010.96
5.2.00.0070.04710.70
5.1.60.0070.03010.09
5.1.50.0030.0439.93
5.1.40.0030.03710.04
5.1.30.0030.05010.43
5.1.20.0100.04710.46
5.1.10.0070.03010.10
5.1.00.0030.03310.14
5.0.50.0000.0338.60
5.0.40.0030.0408.43
5.0.30.0070.0438.26
5.0.20.0030.0278.21
5.0.10.0070.0278.33
5.0.00.0100.0478.15
4.4.90.0030.0206.81
4.4.80.0030.0206.81
4.4.70.0100.0136.81
4.4.60.0070.0176.81
4.4.50.0000.0336.81
4.4.40.0000.0376.81
4.4.30.0070.0176.81
4.4.20.0030.0206.81
4.4.10.0000.0236.81
4.4.00.0030.0306.81
4.3.110.0030.0206.81
4.3.100.0070.0176.81
4.3.90.0100.0206.81
4.3.80.0000.0336.81
4.3.70.0070.0276.81
4.3.60.0030.0306.81
4.3.50.0000.0236.81
4.3.40.0000.0336.81
4.3.30.0000.0236.81
4.3.20.0000.0236.81
4.3.10.0000.0276.81
4.3.00.0200.0139.25

preferences:
39.38 ms | 400 KiB | 5 Q