3v4l.org

run code in 300+ PHP versions simultaneously
<?hh $a = array(); $a["123"] = 'abc'; var_dump(array_keys($a,"abc"));

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)
8.3.70.0090.00618.39
8.3.60.0110.00718.43
8.3.50.0130.00922.08
8.3.40.0090.00918.66
8.3.30.0110.00318.86
8.3.20.0060.00320.34
8.3.10.0000.00723.50
8.3.00.0080.00019.26
8.2.180.0100.01016.32
8.2.170.0100.01022.96
8.2.160.0130.00620.18
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.29
8.2.110.0090.00019.14
8.2.100.0000.01317.63
8.2.90.0030.00619.05
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0000.00917.91
8.2.50.0000.00818.07
8.2.40.0050.00317.95
8.2.30.0040.00417.80
8.2.20.0040.00417.53
8.2.10.0040.00417.80
8.2.00.0000.00817.55
8.1.280.0100.01025.92
8.1.270.0030.00620.66
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0080.00023.92
8.1.230.0040.00818.82
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0030.00617.10
8.1.180.0000.00818.10
8.1.170.0040.00420.38
8.1.160.0070.00021.88
8.1.150.0030.00418.66
8.1.140.0070.00017.31
8.1.130.0000.00717.71
8.1.120.0000.00717.30
8.1.110.0040.00417.35
8.1.100.0000.00717.20
8.1.90.0070.00017.20
8.1.80.0050.00217.36
8.1.70.0000.00717.20
8.1.60.0030.00617.30
8.1.50.0040.00417.36
8.1.40.0040.00417.30
8.1.30.0000.00817.35
8.1.20.0000.00717.36
8.1.10.0000.00817.38
8.1.00.0000.00817.32
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.28
8.0.270.0070.00017.16
8.0.260.0000.00817.13
8.0.250.0040.00316.84
8.0.240.0030.00316.81
8.0.230.0030.00316.80
8.0.220.0000.00716.73
8.0.210.0050.00216.75
8.0.200.0030.00316.80
8.0.190.0040.00416.71
8.0.180.0030.00616.66
8.0.170.0070.00016.79
8.0.160.0040.00416.83
8.0.150.0000.00716.75
8.0.140.0040.00416.61
8.0.130.0060.00013.32
8.0.120.0040.00416.73
8.0.110.0070.00016.78
8.0.100.0030.00316.59
8.0.90.0000.00816.70
8.0.80.0100.00616.70
8.0.70.0070.00016.77
8.0.60.0000.00816.65
8.0.50.0000.00716.80
8.0.30.0110.00816.99
8.0.20.0100.00717.40
8.0.10.0000.00716.82
8.0.00.0100.00716.76
7.4.330.0020.00515.02
7.4.320.0030.00316.45
7.4.300.0030.00316.43
7.4.290.0060.00316.29
7.4.280.0030.00616.34
7.4.270.0030.00316.42
7.4.260.0030.00516.39
7.4.250.0000.00816.31
7.4.240.0020.00516.41
7.4.230.0000.00616.20
7.4.220.0130.01316.35
7.4.210.0100.00316.53
7.4.200.0070.00016.25
7.4.160.0060.00916.19
7.4.150.0060.01117.40
7.4.140.0120.00417.86
7.4.130.0130.00316.50
7.4.120.0120.00816.41
7.4.110.0130.00316.54
7.4.100.0140.00316.24
7.4.90.0100.00716.44
7.4.80.0030.01619.39
7.4.70.0120.01216.16
7.4.60.0130.01016.48
7.4.50.0080.00016.32
7.4.40.0100.00616.39
7.4.30.0060.01116.23
7.3.330.0000.00613.23
7.3.320.0060.00013.22
7.3.310.0070.00016.12
7.3.300.0030.00316.02
7.3.290.0110.00516.16
7.3.280.0070.00816.12
7.3.270.0170.00017.40
7.3.260.0040.01316.36
7.3.250.0150.00716.28
7.3.240.0050.01016.24
7.3.230.0130.00316.39
7.3.210.0100.00716.50
7.3.200.0120.00919.39
7.3.190.0070.01016.20
7.3.180.0090.00616.13
7.3.170.0120.00316.27
7.3.160.0120.00316.11
7.2.330.0140.00616.24
7.2.320.0100.01316.55
7.2.310.0070.01016.23
7.2.300.0110.00616.66
7.2.290.0220.00316.55
5.4.340.0300.06718.95
5.4.320.0170.06319.16
5.4.310.0230.07019.22
5.4.300.0230.04019.05
5.4.290.0300.07019.08
5.4.280.0200.04019.19
5.4.270.0270.07718.94
5.4.260.0070.04019.07
5.4.250.0070.04319.14
5.4.240.1130.05318.94
5.4.230.1930.05019.07
5.4.220.1730.03718.99
5.4.210.2070.04719.07
5.4.200.0100.04018.97
5.4.190.0000.04019.05
5.4.180.0000.06718.83
5.4.170.1100.07319.15
5.4.160.1800.04719.17
5.4.150.2130.03718.84
5.4.140.2070.03716.42
5.4.130.1800.03716.31
5.4.120.2000.04016.66
5.4.110.0000.07716.55
5.4.100.0030.05016.37
5.4.90.0900.04316.58
5.4.80.2030.03716.27
5.4.70.1830.03016.18
5.4.60.2470.05316.49
5.4.50.2000.02316.21
5.4.40.1800.03716.42
5.4.30.2000.03716.48
5.4.20.1970.03316.42
5.4.10.2000.03716.50
5.4.00.2100.03715.76

preferences:
40.72 ms | 401 KiB | 5 Q