3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [new stdClass()]; var_dump(array_fill_keys($foo, 'b'));

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)
8.4.120.0080.00420.64
8.4.110.0080.00622.41
8.4.100.0100.01017.93
8.4.90.0110.00418.77
8.4.80.0080.00417.98
8.4.70.0060.00817.79
8.4.60.0100.01120.41
8.4.50.0120.00517.92
8.4.40.0070.01318.17
8.4.30.0160.00318.86
8.4.20.0100.01422.48
8.4.10.0070.00423.77
8.3.250.0100.00918.86
8.3.240.0090.01116.66
8.3.230.0130.00816.51
8.3.220.0040.00418.94
8.3.210.0090.01016.54
8.3.200.0040.00416.85
8.3.190.0060.00316.93
8.3.180.0030.00516.45
8.3.170.0060.01218.76
8.3.160.0080.00318.61
8.3.150.0150.00416.45
8.3.140.0090.00918.81
8.3.130.0000.00818.44
8.3.120.0120.00618.79
8.3.110.0040.00420.94
8.3.100.0060.00324.06
8.3.90.0120.00626.77
8.3.80.0090.00316.50
8.3.70.0130.00316.63
8.3.60.0110.00416.50
8.3.50.0160.00720.11
8.3.40.0070.01020.15
8.3.30.0070.00718.57
8.3.20.0030.00624.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.290.0130.00720.69
8.2.280.0130.00718.37
8.2.270.0150.00318.95
8.2.260.0120.00318.48
8.2.250.0060.00317.20
8.2.240.0140.00018.49
8.2.230.0060.00322.58
8.2.220.0090.00037.54
8.2.210.0030.00526.77
8.2.200.0090.00018.54
8.2.190.0070.01418.54
8.2.180.0100.01025.92
8.2.170.0090.00619.08
8.2.160.0030.01022.96
8.2.150.0050.00225.66
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0080.00019.89
8.2.110.0100.00022.29
8.2.100.0120.00417.84
8.2.90.0030.00617.88
8.2.80.0000.01018.04
8.2.70.0070.00317.62
8.2.60.0000.00917.75
8.2.50.0040.00418.05
8.2.40.0020.00518.16
8.2.30.0040.00418.09
8.2.20.0040.00419.12
8.2.10.0000.00717.92
8.2.00.0000.00719.11
8.1.330.0130.00622.10
8.1.320.0100.00915.92
8.1.310.0050.00318.47
8.1.300.0030.01219.65
8.1.290.0060.00318.88
8.1.280.0120.00925.92
8.1.270.0050.00324.66
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0090.00023.79
8.1.230.0100.00319.26
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00817.35
8.1.190.0080.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00517.62
8.1.160.0040.00418.93
8.1.150.0070.00018.61
8.1.140.0000.00717.36
8.1.130.0000.00720.53
8.1.120.0000.00717.45
8.1.110.0130.00417.44
8.1.100.0140.00417.41
8.1.90.0170.00017.42
8.1.80.0140.00317.34
8.1.70.0100.00717.42
8.1.60.0120.00617.49
8.1.50.0150.00417.46
8.1.40.0140.00417.50
8.1.30.0120.00617.49
8.1.20.0110.00617.64
8.1.10.0180.00017.61
8.1.00.0060.01217.39
8.0.300.0070.00021.99
8.0.290.0050.00216.75
8.0.280.0000.00718.43
8.0.270.0070.00017.20
8.0.260.0030.00318.43
8.0.250.0070.00017.05
8.0.240.0100.00516.99
8.0.230.0000.01616.95
8.0.220.0050.01016.79
8.0.210.0140.00016.75
8.0.200.0110.00316.99
8.0.190.0100.00316.94
8.0.180.0050.01016.99
8.0.170.0120.00316.77
8.0.160.0130.00216.80
8.0.150.0150.00016.80
8.0.140.0110.00416.84
8.0.130.0080.00816.68
8.0.120.0090.00916.88
8.0.110.0070.01016.80
8.0.100.0110.00616.82
8.0.90.0080.00816.97
8.0.80.0110.00616.82
8.0.70.0140.00416.81
8.0.60.0090.00816.73
8.0.50.0140.00516.79
8.0.30.0140.00416.87
8.0.20.0070.01017.01
8.0.10.0140.00416.91
7.4.330.0030.00315.55
7.4.320.0200.00016.39
7.4.300.0120.00716.58
7.4.290.0130.00416.52
7.4.280.0120.00316.46
7.4.270.0050.01116.48
7.4.260.0110.01116.44
7.4.250.0160.00016.43
7.4.240.0120.00516.38
7.4.230.0120.00616.55
7.4.220.0130.00616.48
7.4.210.0120.00616.43
7.4.200.0090.01016.45
7.4.190.0140.00416.63
7.4.180.0110.00616.60
7.4.160.0180.00016.56
7.4.150.0150.00316.50
7.4.140.0110.00516.43
7.4.130.0080.00616.28
7.4.120.0110.00416.34
7.4.110.0120.00516.49
7.4.100.0100.00716.55
7.4.90.0080.00616.41
7.4.80.0110.00416.38
7.4.70.0130.00316.44
7.4.60.0140.00016.41
7.4.50.0110.00216.36
7.4.40.0040.01016.25
7.4.30.0130.00416.38
7.4.20.0120.00416.24
7.4.10.0140.00316.45
7.4.00.0140.00316.48

preferences:
27.89 ms | 403 KiB | 5 Q