3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(?string $one = "asd", ?string $two = "zxc"): void { var_dump($one, $two); } a(null, "zap");

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)
8.3.70.0120.00318.18
8.3.60.0110.01118.43
8.3.50.0140.00418.20
8.3.40.0120.00318.71
8.3.30.0080.00818.39
8.3.20.0030.00618.50
8.3.10.0090.00021.80
8.3.00.0050.00223.53
8.2.180.0130.00616.32
8.2.170.0070.00722.96
8.2.160.0140.00018.83
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00420.75
8.2.120.0040.00426.35
8.2.110.0000.00821.13
8.2.100.0070.00417.72
8.2.90.0050.00317.50
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0000.00718.09
8.2.50.0030.00618.10
8.2.40.0050.00220.54
8.2.30.0000.00720.43
8.2.20.0040.00417.92
8.2.10.0000.00817.83
8.2.00.0050.00317.78
8.1.280.0140.00725.92
8.1.270.0040.00424.01
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00020.85
8.1.230.0090.00317.52
8.1.220.0040.00817.74
8.1.210.0050.00318.77
8.1.200.0050.00517.23
8.1.190.0050.00318.88
8.1.180.0050.00318.10
8.1.170.0000.00818.48
8.1.160.0040.00418.74
8.1.150.0000.00718.68
8.1.140.0040.00418.67
8.1.130.0030.00320.30
8.1.120.0000.00717.35
8.1.110.0070.00017.29
8.1.100.0030.00617.26
8.1.90.0040.00417.38
8.1.80.0080.00017.25
8.1.70.0070.00017.29
8.1.60.0090.00017.34
8.1.50.0000.00817.50
8.1.40.0030.00617.47
8.1.30.0000.00817.47
8.1.20.0030.00517.60
8.1.10.0000.00817.38
8.1.00.0070.00317.20
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0040.00418.36
8.0.270.0030.00317.09
8.0.260.0030.00321.93
8.0.250.0000.00616.70
8.0.240.0000.00716.83
8.0.230.0070.00016.76
8.0.220.0070.00016.63
8.0.210.0000.00716.65
8.0.200.0070.00016.71
8.0.190.0030.00616.81
8.0.180.0060.00316.67
8.0.170.0040.00416.82
8.0.160.0040.00416.64
8.0.150.0030.00416.63
8.0.140.0030.00316.64
8.0.130.0000.00713.22
8.0.120.0050.00216.77
8.0.110.0000.00716.61
8.0.100.0080.00016.70
8.0.90.0040.00416.70
8.0.80.0060.00916.72
8.0.70.0000.00816.72
8.0.60.0050.00316.78
8.0.50.0080.00016.78
8.0.30.0110.00717.04
8.0.20.0120.01117.40
8.0.10.0050.00216.90
8.0.00.0080.01116.38
7.4.330.0050.00015.55
7.4.320.0030.00316.38
7.4.300.0020.00516.55
7.4.290.0040.00416.54
7.4.280.0050.00316.52
7.4.270.0040.00416.55
7.4.260.0030.00316.32
7.4.250.0070.00016.40
7.4.240.0000.00716.48
7.4.230.0030.00316.51
7.4.220.0040.00416.32
7.4.210.0110.00416.44
7.4.200.0030.00316.46
7.4.160.0090.00716.54
7.4.140.0120.00717.86
7.4.130.0160.00616.55
7.4.120.0110.00816.37
7.4.110.0060.01016.63
7.4.100.0000.01616.42
7.4.90.0120.00616.48
7.4.80.0040.01319.39
7.4.70.0120.00916.38
7.4.60.0090.00616.38
7.4.50.0110.00716.37
7.4.40.0110.01116.50
7.4.10.0060.01315.04
7.4.00.0090.00714.88
7.3.330.0000.00513.09
7.3.320.0030.00313.20
7.3.310.0030.00316.21
7.3.300.0000.00716.28
7.3.290.0090.00916.30
7.3.280.0270.00716.19
7.3.260.0090.01116.44
7.3.240.0090.01116.29
7.3.230.0080.00916.20
7.3.210.0140.00616.49
7.3.200.0030.01416.25
7.3.190.0140.00516.46
7.3.180.0070.01016.28
7.3.170.0090.00616.38
7.3.160.0080.00816.25
7.3.130.0140.00414.51
7.3.120.0090.01014.62
7.3.110.0130.00314.72
7.3.100.0070.00814.79
7.3.90.0080.00714.75
7.3.80.0030.01014.54
7.3.70.0020.01414.46
7.3.60.0060.00614.75
7.3.50.0070.00514.64
7.3.40.0040.00714.72
7.3.30.0010.01114.56
7.3.20.0070.00516.63
7.3.10.0030.01216.55
7.3.00.0050.00816.64
7.2.330.0080.00916.55
7.2.320.0080.01216.45
7.2.310.0130.01016.38
7.2.300.0130.00716.12
7.2.290.0100.01016.61
7.2.260.0100.00614.77
7.2.250.0020.01714.59
7.2.240.0120.00714.64
7.2.230.0090.00714.98
7.2.220.0100.00314.60
7.2.210.0020.01214.88
7.2.200.0050.00714.90
7.2.190.0050.00514.60
7.2.180.0020.01214.66
7.2.170.0030.01414.97
7.2.160.0030.01014.56
7.2.150.0000.01516.89
7.2.140.0090.00616.57
7.2.130.0030.01016.90
7.2.120.0030.01216.83
7.2.110.0150.00016.90
7.2.100.0720.00715.50
7.2.90.0600.00815.39
7.2.80.1280.00515.75
7.2.70.0680.00615.85
7.2.60.0990.00715.57
7.2.50.0830.00515.69
7.2.40.1160.01015.74
7.2.30.0840.00815.59
7.2.20.0850.00715.74
7.2.10.0890.00715.71
7.2.00.0780.00815.64
7.1.330.0050.00915.92
7.1.320.0050.00615.72
7.1.310.0030.01215.72
7.1.300.0080.00315.66
7.1.290.0080.00715.75
7.1.280.0060.01015.67
7.1.270.0050.00715.77
7.1.260.0040.00815.79
7.1.250.0150.00015.88
7.1.240.0040.00415.71
7.1.230.0090.00615.50
7.1.220.0700.00614.67
7.1.210.0780.00714.50
7.1.200.0760.00614.71
7.1.190.0740.01014.77
7.1.180.0640.00514.67
7.1.170.0820.00814.70
7.1.160.0770.00814.67
7.1.150.1070.00914.86
7.1.140.0850.00914.57
7.1.130.0980.00814.79
7.1.120.0610.00514.69
7.1.110.0810.00914.90
7.1.100.0830.00814.81
7.1.90.0920.00814.81
7.1.80.1320.00514.82
7.1.70.1120.00614.61
7.1.60.1360.00623.69
7.1.50.1170.01323.56
7.1.40.1040.00923.72
7.1.30.1020.01123.74
7.1.20.1100.01023.58
7.1.10.1380.00714.64
7.1.00.0920.00514.86
7.0.330.0070.00715.27
7.0.320.0030.01215.40
7.0.310.0070.00415.29
7.0.300.0090.00615.32
7.0.290.0100.00715.19
7.0.280.0120.00015.27
7.0.270.0070.01015.33
7.0.260.0070.00715.34
7.0.250.0030.01315.26
7.0.240.0050.00315.45
7.0.230.0000.01014.96
7.0.220.0030.00715.49
7.0.210.0030.00515.20
7.0.200.0040.00415.39
7.0.190.0000.00915.42
7.0.180.0040.00815.39
7.0.170.0040.00415.24
7.0.160.0070.00715.48
7.0.150.0040.00415.44
7.0.140.0030.01015.23
7.0.130.0030.00615.32
7.0.120.0090.00615.39
7.0.110.0000.01615.30
7.0.100.0040.00815.23
7.0.90.0000.01015.32
7.0.80.0080.00015.23
7.0.70.0040.00715.42
7.0.60.0060.01215.24
7.0.50.0030.01015.09
7.0.40.0070.01013.43
7.0.30.0090.00013.37
7.0.20.0040.00713.23
7.0.10.0030.01313.35
7.0.00.0090.00313.23
5.6.400.0030.00914.24
5.6.390.0000.01514.13
5.6.380.0060.00813.96
5.6.370.0040.01114.11
5.6.360.0060.00614.09
5.6.350.0090.00314.34
5.6.340.0000.01214.00
5.6.330.0110.00713.87
5.6.320.0100.00314.34
5.6.310.0090.00314.32
5.6.300.0090.00614.11
5.6.290.0060.01014.19
5.6.280.0000.01413.92
5.6.270.0090.00614.24
5.6.260.0050.00514.37
5.6.250.0000.01113.96
5.6.240.0000.00914.20
5.6.230.0040.00414.29
5.6.220.0000.01514.06
5.6.210.0100.00714.10
5.6.200.0060.01213.96
5.6.190.0000.01113.95
5.6.180.0060.01014.12
5.6.170.0100.00314.09
5.6.160.0070.00714.25
5.6.150.0090.00314.11
5.6.140.0000.01414.18
5.6.130.0040.01114.02
5.6.120.0030.00514.22
5.6.110.0030.00914.33
5.6.100.0100.00014.14
5.6.90.0030.01014.06
5.6.80.0030.00513.77
5.6.70.0090.00614.00
5.6.60.0070.00413.89
5.6.50.0030.01314.00
5.6.40.0050.00513.74
5.6.30.0040.00714.17
5.6.20.0000.00914.16
5.6.10.0070.00714.01
5.6.00.0070.00714.02

preferences:
56.94 ms | 401 KiB | 5 Q