3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &a($b){ return $b; } $c = a(10); a(20); echo $c; var_dump($c);

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)
8.3.70.0160.00316.58
8.3.60.0140.00718.32
8.3.50.0040.01118.14
8.3.40.0150.00318.66
8.3.30.0080.00818.90
8.3.20.0050.00318.93
8.3.10.0080.00020.90
8.3.00.0040.00423.54
8.2.180.0100.01016.63
8.2.170.0070.00722.96
8.2.160.0030.01019.33
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00321.18
8.2.120.0050.00226.35
8.2.110.0030.00620.34
8.2.100.0120.00017.72
8.2.90.0040.00419.07
8.2.80.0000.00917.97
8.2.70.0080.00018.03
8.2.60.0030.00518.03
8.2.50.0000.00818.10
8.2.40.0000.00719.45
8.2.30.0030.00619.25
8.2.20.0000.00818.05
8.2.10.0000.00717.99
8.2.00.0040.00419.26
8.1.280.0110.00425.92
8.1.270.0050.00222.03
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0040.00822.02
8.1.230.0070.00422.69
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.00
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0030.00618.56
8.1.160.0070.00018.73
8.1.150.0000.00918.72
8.1.140.0050.00317.63
8.1.130.0000.00719.07
8.1.120.0050.00217.27
8.1.110.0000.00717.32
8.1.100.0050.00217.40
8.1.90.0080.00017.26
8.1.80.0050.00317.35
8.1.70.0040.00417.25
8.1.60.0000.00817.56
8.1.50.0070.00317.43
8.1.40.0000.00717.50
8.1.30.0060.00617.53
8.1.20.0000.00817.72
8.1.10.0030.00717.48
8.1.00.0050.00317.50
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0000.00718.43
8.0.270.0060.00317.30
8.0.260.0000.00717.26
8.0.250.0030.00316.91
8.0.240.0000.00616.99
8.0.230.0030.00316.89
8.0.220.0040.00416.83
8.0.210.0030.00516.73
8.0.200.0080.00016.85
8.0.190.0040.00416.90
8.0.180.0060.00316.82
8.0.170.0080.00016.79
8.0.160.0000.00716.81
8.0.150.0030.00716.62
8.0.140.0040.00416.71
8.0.130.0030.00313.23
8.0.120.0040.00416.67
8.0.110.0070.00016.76
8.0.100.0040.00416.70
8.0.90.0040.00416.77
8.0.80.0100.01016.79
8.0.70.0040.00416.65
8.0.60.0040.00416.86
8.0.50.0070.00016.78
8.0.30.0100.00816.98
8.0.20.0120.00917.40
8.0.10.0000.00816.89
8.0.00.0100.00916.71
7.4.330.0030.00315.55
7.4.320.0030.00616.54
7.4.300.0000.00616.55
7.4.290.0000.00716.50
7.4.280.0000.00816.47
7.4.270.0000.00716.61
7.4.260.0030.00316.38
7.4.250.0070.00016.50
7.4.240.0000.00716.52
7.4.230.0000.00816.57
7.4.220.0040.00416.57
7.4.210.0070.01416.57
7.4.200.0040.00416.31
7.4.160.0070.01016.52
7.4.140.0090.01317.86
7.4.130.0140.00416.39
7.4.120.0100.00916.45
7.4.110.0110.00716.47
7.4.100.0070.01016.44
7.4.90.0090.00916.55
7.4.80.0060.01519.39
7.4.70.0110.00716.58
7.4.60.0100.00616.51
7.4.50.0080.00516.14
7.4.40.0100.00616.42
7.4.00.0110.00415.12
7.3.330.0000.00513.30
7.3.320.0000.00513.12
7.3.310.0040.00416.15
7.3.300.0000.00716.34
7.3.290.0030.00316.30
7.3.280.0110.00416.28
7.3.260.0140.00616.43
7.3.240.0090.00816.46
7.3.230.0070.01016.25
7.3.210.0110.01116.27
7.3.200.0110.00516.23
7.3.190.0110.01116.30
7.3.180.0070.01416.25
7.3.170.0140.00316.29
7.3.160.0200.00016.55
7.2.330.0120.00616.71
7.2.320.0150.00916.63
7.2.310.0040.01316.54
7.2.300.0060.01216.55
7.2.290.0120.00616.69
7.2.110.0110.00715.89
7.2.80.0000.01516.45
7.2.70.0730.01014.90
7.2.60.0730.00314.66
7.2.50.0710.00714.91
7.2.40.0910.00314.88
7.2.30.0740.00414.55
7.2.20.0660.01014.61
7.2.10.0650.00714.56
7.2.00.0680.00014.83
7.1.200.0060.00615.85
7.1.170.0660.01213.87
7.1.160.0630.01013.76
7.1.150.0620.01013.81
7.1.140.0660.00713.61
7.1.130.0600.01013.44
7.1.120.0620.00613.76
7.1.110.1110.01013.64
7.1.100.0860.01013.55
7.1.90.0930.01013.58
7.1.80.0990.00713.65
7.1.70.1200.01013.86
7.1.60.1140.00331.37
7.1.50.1230.00731.72
7.1.40.1160.01331.71
7.1.30.1330.00331.69
7.1.20.1350.00331.77
7.1.10.1140.00313.68
7.1.00.1300.00313.64

preferences:
58.83 ms | 400 KiB | 5 Q