3v4l.org

run code in 300+ PHP versions simultaneously
<?php function myfunction(&$first = null, $second = null) { var_dump($first, $second); } myfunction($null, "something");

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)
8.4.120.0110.00923.90
8.4.110.0150.00518.98
8.4.100.0140.00417.40
8.4.90.0130.00718.23
8.4.80.0070.00217.51
8.4.70.0140.01117.64
8.4.60.0130.00718.99
8.4.50.0040.00520.32
8.4.40.0080.00017.36
8.4.30.0080.01117.29
8.4.20.0070.01319.42
8.4.10.0030.00617.47
8.3.250.0100.00918.68
8.3.240.0060.01417.13
8.3.230.0110.00716.48
8.3.220.0040.00517.29
8.3.210.0060.00418.17
8.3.200.0060.00316.47
8.3.190.0100.00816.93
8.3.180.0040.00316.49
8.3.170.0070.01117.26
8.3.160.0060.01219.02
8.3.150.0090.00917.24
8.3.140.0110.00416.92
8.3.130.0080.00018.22
8.3.120.0080.00818.90
8.3.110.0130.01016.65
8.3.100.0050.00324.06
8.3.90.0040.01126.77
8.3.80.0090.00018.18
8.3.70.0070.01118.18
8.3.60.0110.00416.50
8.3.50.0130.00316.33
8.3.40.0110.00418.59
8.3.30.0040.01118.41
8.3.20.0000.00721.87
8.3.10.0040.00421.61
8.3.00.0030.00521.81
8.2.290.0140.00420.24
8.2.280.0060.00218.30
8.2.270.0110.00416.89
8.2.260.0030.00518.81
8.2.250.0000.00816.53
8.2.240.0100.00717.11
8.2.230.0070.00720.94
8.2.220.0040.00437.54
8.2.210.0090.00926.77
8.2.200.0000.00818.04
8.2.190.0070.00716.58
8.2.180.0180.00417.96
8.2.170.0140.00622.96
8.2.160.0060.01620.53
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0080.00021.10
8.2.120.0080.00026.35
8.2.110.0090.00019.32
8.2.100.0080.00417.67
8.2.90.0040.00417.50
8.2.80.0060.00317.97
8.2.70.0080.00017.38
8.2.60.0000.00917.38
8.2.50.0050.00317.55
8.2.40.0090.00319.13
8.2.30.0000.00719.31
8.2.20.0070.00017.85
8.2.10.0050.00217.96
8.2.00.0040.00417.83
8.1.330.0130.00621.98
8.1.320.0110.00715.87
8.1.310.0040.00418.51
8.1.300.0040.01118.31
8.1.290.0090.00030.84
8.1.280.0100.00325.92
8.1.270.0000.00722.20
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0000.00823.98
8.1.230.0060.00819.01
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0060.00317.10
8.1.190.0080.00017.10
8.1.180.0030.00618.10
8.1.170.0030.00618.77
8.1.160.0000.00718.74
8.1.150.0000.00718.91
8.1.140.0080.00017.61
8.1.130.0040.00417.33
8.1.120.0000.00817.22
8.1.110.0040.00417.32
8.1.100.0030.00717.22
8.1.90.0080.00017.25
8.1.80.0070.00017.22
8.1.70.0040.00717.28
8.1.60.0030.00517.49
8.1.50.0050.00317.46
8.1.40.0030.00617.47
8.1.30.0020.00517.68
8.1.20.0060.00317.51
8.1.10.0060.00317.41
8.1.00.0040.00417.35
8.0.300.0040.00421.52
8.0.290.0030.00616.63
8.0.280.0000.00718.22
8.0.270.0060.00017.12
8.0.260.0040.00416.62
8.0.250.0000.00616.73
8.0.240.0030.00316.77
8.0.230.0020.00516.85
8.0.220.0040.00416.69
8.0.210.0070.00016.73
8.0.200.0000.00716.83
8.0.190.0050.00316.79
8.0.180.0030.00516.72
8.0.170.0000.00916.79
8.0.160.0030.00316.72
8.0.150.0100.00016.62
8.0.140.0040.00416.66
8.0.130.0030.00313.21
8.0.120.0000.00816.72
8.0.110.0000.00716.80
8.0.100.0000.00716.61
8.0.90.0050.00316.76
8.0.80.0000.02116.64
8.0.70.0040.00416.62
8.0.60.0070.00016.76
8.0.50.0040.00416.71
8.0.30.0090.01017.00
8.0.20.0120.00617.40
8.0.10.0030.00316.72
8.0.00.0120.01216.69
7.4.330.0030.00315.55
7.4.320.0040.00416.49
7.4.300.0030.00316.45
7.4.290.0000.00716.55
7.4.280.0000.00716.42
7.4.270.0030.00316.38
7.4.260.0060.00316.37
7.4.250.0070.00016.35
7.4.240.0080.00016.42
7.4.230.0070.00016.64
7.4.220.0040.00416.18
7.4.210.0110.00316.44
7.4.200.0070.00016.63
7.4.160.0060.01016.49
7.4.140.0120.01217.86
7.4.130.0000.01916.41
7.4.120.0130.00716.42
7.4.110.0070.01016.54
7.4.100.0170.00716.38
7.4.90.0110.01116.54
7.4.80.0110.00719.39
7.4.70.0080.00816.43
7.4.60.0100.00716.24
7.4.50.0030.01016.36
7.4.40.0040.01316.47
7.4.00.0090.00914.71
7.3.330.0020.00213.01
7.3.320.0030.00313.25
7.3.310.0000.00716.21
7.3.300.0000.00616.23
7.3.290.0020.00516.09
7.3.280.0140.00316.19
7.3.260.0110.00616.36
7.3.240.0090.00716.31
7.3.230.0130.00616.25
7.3.210.0130.00416.23
7.3.200.0060.01216.25
7.3.190.0090.00616.45
7.3.180.0180.00316.32
7.3.170.0100.01316.30
7.3.160.0060.00916.38
7.3.120.0060.01314.50
7.3.110.0130.00614.55
7.3.100.0040.01414.72
7.3.90.0090.00614.65
7.3.80.0060.00914.69
7.3.70.0040.00714.52
7.3.60.0030.00614.61
7.3.50.0000.01314.74
7.3.40.0060.00914.62
7.3.30.0070.00314.67
7.3.20.0030.00916.20
7.3.10.0060.00616.27
7.3.00.0070.00716.71
7.2.330.0110.01116.59
7.2.320.0070.01116.49
7.2.310.0140.00816.51
7.2.300.0040.01216.46
7.2.290.0000.02316.17
7.2.250.0030.01414.80
7.2.240.0100.01014.74
7.2.230.0100.00714.74
7.2.220.0030.01614.86
7.2.210.0060.01214.80
7.2.200.0100.00014.98
7.2.190.0030.00614.82
7.2.180.0070.00714.80
7.2.170.0060.00914.68
7.2.80.0060.00616.29
7.2.60.0140.00016.75
7.2.50.0030.00916.79
7.2.40.0630.01417.47
7.2.30.0500.01017.64
7.2.20.0740.01517.61
7.2.10.0630.01317.58
7.2.00.0430.01417.75
7.1.330.0100.00715.87
7.1.320.0070.01015.80
7.1.310.0130.00015.77
7.1.300.0070.00415.81
7.1.290.0130.00315.55
7.1.280.0080.00415.75
7.1.270.0080.00515.46
7.1.260.0100.00615.76
7.1.200.0000.00815.47
7.1.160.0530.01116.41
7.1.150.0610.00816.85
7.1.140.0670.01216.82
7.1.130.0690.01216.68
7.1.120.0550.01116.62
7.1.110.1000.01315.99
7.1.100.0560.01216.10
7.1.90.0570.01216.05
7.1.80.0360.01215.58
7.1.70.0540.01015.08
7.1.60.0650.01633.14
7.1.50.0540.01332.93
7.1.40.1280.01732.44
7.1.30.0760.01832.55
7.1.20.0570.01332.64
7.1.10.0420.01314.67
7.1.00.0380.00914.79

preferences:
95.43 ms | 403 KiB | 5 Q