3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($b, $c = null){ var_dump($b); var_dump($c); } test(); test("oi", null);

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)
8.3.40.0060.00918.86
8.3.30.0080.00818.85
8.3.20.0080.00020.33
8.3.10.0080.00023.69
8.3.00.0030.00619.65
8.2.170.0080.00622.96
8.2.160.0070.01119.03
8.2.150.0080.00824.18
8.2.140.0040.00424.66
8.2.130.0050.00319.45
8.2.120.0040.00426.35
8.2.110.0040.00420.57
8.2.100.0040.00817.82
8.2.90.0080.00019.09
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0040.00417.68
8.2.50.0030.00618.10
8.2.40.0040.00420.61
8.2.30.0000.00821.02
8.2.20.0040.00418.03
8.2.10.0040.00418.04
8.2.00.0040.00418.05
8.1.270.0080.00023.84
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00922.13
8.1.230.0030.00719.01
8.1.220.0030.00717.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0040.00418.67
8.1.160.0040.00419.00
8.1.150.0040.00420.46
8.1.140.0040.00419.45
8.1.130.0000.00718.68
8.1.120.0050.00217.23
8.1.110.0060.00317.19
8.1.100.0040.00417.18
8.1.90.0040.00417.30
8.1.80.0030.00517.29
8.1.70.0070.00017.21
8.1.60.0070.00017.59
8.1.50.0060.00317.35
8.1.40.0120.00017.45
8.1.30.0040.00417.49
8.1.20.0000.00817.58
8.1.10.0030.00517.52
8.1.00.0000.00817.29
8.0.300.0040.00419.88
8.0.290.0000.00816.75
8.0.280.0000.00718.39
8.0.270.0070.00017.24
8.0.260.0000.00616.75
8.0.250.0030.00316.89
8.0.240.0040.00416.98
8.0.230.0030.00316.89
8.0.220.0040.00416.88
8.0.210.0030.00316.86
8.0.200.0000.00717.00
8.0.190.0070.00016.97
8.0.180.0030.00616.83
8.0.170.0070.00016.94
8.0.160.0070.00316.80
8.0.150.0000.00716.94
8.0.140.0040.00416.75
8.0.130.0000.00513.36
8.0.120.0040.00416.82
8.0.110.0040.00416.73
8.0.100.0080.00016.77
8.0.90.0040.00416.86
8.0.80.0090.01316.92
8.0.70.0040.00416.95
8.0.60.0080.00016.77
8.0.50.0050.00316.72
8.0.30.0070.01117.13
8.0.20.0150.01517.41
8.0.10.0000.00716.84
8.0.00.0190.00416.62
7.4.330.0050.00015.55
7.4.320.0000.00716.38
7.4.300.0030.00316.50
7.4.290.0030.00716.48
7.4.280.0060.00016.56
7.4.270.0030.00316.43
7.4.260.0030.00316.37
7.4.250.0030.00316.47
7.4.240.0000.00716.36
7.4.230.0000.00716.54
7.4.220.0110.00816.48
7.4.210.0140.00716.61
7.4.200.0030.00316.64
7.4.160.0100.00616.56
7.4.150.0070.01017.40
7.4.140.0080.01217.86
7.4.130.0150.00316.38
7.4.120.0110.00716.56
7.4.110.0060.01316.39
7.4.100.0110.01416.46
7.4.90.0060.01216.38
7.4.80.0090.00919.39
7.4.70.0030.01316.27
7.4.60.0070.00716.60
7.4.50.0040.01116.33
7.4.40.0060.01516.37
7.4.30.0140.00616.32
7.4.00.0040.01114.90
7.3.330.0030.00313.36
7.3.320.0000.00513.12
7.3.310.0070.00016.31
7.3.300.0070.00016.35
7.3.290.0050.00916.27
7.3.280.0070.01116.31
7.3.270.0100.01417.40
7.3.260.0070.01016.56
7.3.250.0070.00916.45
7.3.240.0090.01216.32
7.3.230.0160.00316.31
7.3.210.0130.00316.57
7.3.200.0060.01116.41
7.3.190.0130.00316.61
7.3.180.0060.00916.41
7.3.170.0110.00516.60
7.3.160.0090.00916.52
7.3.120.0050.01314.87
7.3.110.0040.01314.71
7.3.100.0080.00614.84
7.3.90.0010.01114.95
7.3.80.0080.00314.81
7.3.70.0030.00614.65
7.3.60.0050.00914.78
7.3.50.0030.00814.75
7.3.40.0080.00714.83
7.3.30.0030.00814.86
7.3.20.0050.00816.53
7.3.10.0060.00816.61
7.3.00.0040.01016.67
7.2.330.0080.00816.62
7.2.320.0100.00716.60
7.2.310.0090.00916.62
7.2.300.0100.01016.66
7.2.290.0150.00616.66
7.2.250.0070.00715.05
7.2.240.0060.01014.89
7.2.230.0090.00514.95
7.2.220.0060.00914.88
7.2.210.0060.00714.72
7.2.200.0050.01014.70
7.2.190.0050.00714.86
7.2.180.0050.01014.93
7.2.170.0040.00814.92
7.2.160.0070.01014.96
7.2.150.0030.01016.59
7.2.140.0090.00616.56
7.2.130.0030.01316.76
7.2.120.0090.00716.50
7.2.110.0060.00516.77
7.2.100.0110.00016.82
7.2.90.0020.01216.81
7.2.80.0030.00816.60
7.2.70.0070.00916.71
7.2.60.0030.01116.58
7.2.50.0100.00416.71
7.2.40.0070.00716.83
7.2.30.0020.01416.87
7.2.20.0000.01216.84
7.2.10.0030.00716.67
7.2.00.0080.00717.58
7.1.330.0070.00715.68
7.1.320.0050.01015.70
7.1.310.0110.00715.45
7.1.300.0020.00915.53
7.1.290.0070.00715.59
7.1.280.0050.00815.69
7.1.270.0030.00915.59
7.1.260.0080.00315.59
7.1.250.0050.00615.71
7.1.240.0040.00415.63
7.1.230.0040.00715.62
7.1.220.0040.01115.65
7.1.210.0040.01115.58
7.1.200.0050.00815.52
7.1.190.0000.00915.53
7.1.180.0000.01215.46
7.1.170.0140.00015.73
7.1.160.0050.00315.76
7.1.150.0100.00615.56
7.1.140.0000.01615.58
7.1.130.0030.00515.68
7.1.120.0000.01515.80
7.1.110.0040.01115.38
7.1.100.0070.00616.75
7.1.90.0100.00615.54
7.1.80.0100.00715.80
7.1.70.0090.00816.23
7.1.60.0050.01116.21
7.1.50.0070.00716.31
7.1.40.0090.00816.08
7.1.30.0120.00515.92
7.1.20.0120.00416.06
7.1.10.0100.00316.04
7.1.00.0080.00616.07
7.0.330.0070.01015.55
7.0.320.0060.00615.13
7.0.310.0000.01015.11
7.0.300.0030.01015.34
7.0.290.0040.00715.35
7.0.280.0040.00415.22
7.0.270.0000.01615.37
7.0.260.0030.00515.14
7.0.250.0100.00315.13
7.0.240.0030.00915.05
7.0.230.0030.00915.43
7.0.220.0060.00615.39
7.0.210.0000.00815.49
7.0.200.0100.00316.05
7.0.190.0110.00415.90
7.0.180.0080.00515.79
7.0.170.0100.00415.78
7.0.160.0020.01015.89
7.0.150.0090.00215.86
7.0.140.0090.00515.86
7.0.130.0080.00515.86
7.0.120.0090.00515.90
7.0.110.0110.00215.72
7.0.100.0060.01015.81
7.0.90.0090.00615.76
7.0.80.0080.00516.03
7.0.70.0070.00615.75
7.0.60.0080.00915.66
7.0.50.0110.00615.89
7.0.40.0040.00614.28
7.0.30.0040.00714.28
7.0.20.0030.00914.28
7.0.10.0090.00214.28
7.0.00.0020.00914.28
5.6.400.0040.00714.31
5.6.390.0070.00714.10
5.6.380.0040.00414.05
5.6.370.0000.01514.13
5.6.360.0000.01414.13
5.6.350.0100.00314.24
5.6.340.0060.00314.18
5.6.330.0100.00314.40
5.6.320.0090.00314.08
5.6.310.0000.01514.09
5.6.300.0100.00314.21
5.6.290.0000.01514.32
5.6.280.0060.00614.14
5.6.270.0040.00814.05
5.6.260.0030.00614.27
5.6.250.0030.01014.41
5.6.240.0090.00014.02
5.6.230.0090.00314.12
5.6.220.0000.01414.20
5.6.210.0080.00314.13
5.6.200.0000.01514.11
5.6.190.0030.00714.07
5.6.180.0060.00914.24
5.6.170.0000.01013.96
5.6.160.0090.00614.01
5.6.150.0150.00014.18
5.6.140.0080.00714.40
5.6.130.0070.00714.20
5.6.120.0030.01014.09
5.6.110.0070.00313.91
5.6.100.0120.00314.07
5.6.90.0060.00614.06
5.6.80.0120.00613.89
5.6.70.0030.00913.96
5.6.60.0080.00814.11
5.6.50.0000.00814.01
5.6.40.0070.00414.08
5.6.30.0070.00714.08
5.6.20.0040.00813.79
5.6.10.0080.00814.24
5.6.00.0000.01413.98

preferences:
41.26 ms | 400 KiB | 5 Q