3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = []; $arr['1'] = '1'; $arr['01'] = '01'; var_dump(array_keys($arr));

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)
8.4.120.0140.00620.30
8.4.110.0120.00622.39
8.4.100.0040.00417.66
8.4.90.0090.00917.68
8.4.80.0090.00817.65
8.4.70.0060.00417.54
8.4.60.0100.01018.67
8.4.50.0090.00717.58
8.4.40.0100.01019.43
8.4.30.0200.00020.24
8.4.20.0130.00619.73
8.4.10.0090.00022.02
8.3.250.0120.00618.89
8.3.240.0040.00416.44
8.3.230.0100.00816.59
8.3.220.0080.01017.09
8.3.210.0110.00716.61
8.3.200.0050.00416.21
8.3.190.0070.00819.11
8.3.180.0110.00816.87
8.3.170.0120.00616.48
8.3.160.0060.01318.05
8.3.150.0130.00618.41
8.3.140.0110.00416.85
8.3.130.0060.00616.39
8.3.120.0060.00918.79
8.3.110.0030.00620.94
8.3.100.0100.00316.32
8.3.90.0070.00026.77
8.3.80.0100.00016.61
8.3.70.0090.00918.39
8.3.60.0110.01118.01
8.3.50.0120.00320.04
8.3.40.0100.00721.85
8.3.30.0100.01018.72
8.3.20.0090.00624.18
8.3.10.0090.00924.66
8.3.00.0040.00826.16
8.2.290.0120.00620.73
8.2.280.0050.00920.38
8.2.270.0110.00716.68
8.2.260.0100.00716.79
8.2.250.0040.00418.25
8.2.240.0050.00317.06
8.2.230.0030.00622.58
8.2.220.0080.00624.06
8.2.210.0040.00426.77
8.2.200.0030.00618.54
8.2.190.0090.00616.75
8.2.180.0090.01225.92
8.2.170.0100.00722.96
8.2.160.0090.00622.96
8.2.150.0070.00025.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.02
8.2.110.0090.00022.21
8.2.100.0060.00617.84
8.2.90.0040.00417.63
8.2.80.0040.00417.97
8.2.70.0070.00317.50
8.2.60.0030.00517.80
8.2.50.0040.00418.07
8.2.40.0020.00518.04
8.2.30.0000.00718.11
8.2.20.0070.00020.30
8.2.10.0040.00417.93
8.2.00.0040.00419.23
8.1.330.0110.00918.41
8.1.320.0120.00716.16
8.1.310.0050.00216.28
8.1.300.0040.01120.29
8.1.290.0030.00630.84
8.1.280.0100.00725.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.88
8.1.230.0080.00417.89
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0030.00617.22
8.1.190.0000.00817.13
8.1.180.0080.00018.10
8.1.170.0120.00218.14
8.1.160.0090.00018.72
8.1.150.0050.00218.55
8.1.140.0040.00417.36
8.1.130.0000.00718.70
8.1.120.0040.00417.29
8.1.110.0000.00817.35
8.1.100.0040.00317.42
8.1.90.0000.00817.35
8.1.80.0090.00717.34
8.1.70.0110.00517.18
8.1.60.0130.00317.39
8.1.50.0190.00017.39
8.1.40.0180.00017.34
8.1.30.0160.00017.52
8.1.20.0060.00917.61
8.1.10.0070.00717.39
8.1.00.0100.00717.43
8.0.300.0040.00421.55
8.0.290.0000.00916.63
8.0.280.0030.00518.38
8.0.270.0000.00716.64
8.0.260.0040.00418.38
8.0.250.0030.00316.88
8.0.240.0050.00316.90
8.0.230.0030.00316.76
8.0.220.0080.00016.77
8.0.210.0110.00616.80
8.0.200.0070.00716.85
8.0.190.0100.00516.75
8.0.180.0090.00616.72
8.0.170.0120.00216.87
8.0.160.0150.00016.81
8.0.150.0140.00016.70
8.0.140.0100.00516.75
8.0.130.0150.00016.60
8.0.120.0070.00716.77
8.0.110.0070.00716.71
8.0.100.0140.00016.68
8.0.90.0120.00416.75
8.0.80.0110.00316.82
8.0.70.0120.00316.80
8.0.60.0120.00216.73
8.0.50.0070.00716.77
8.0.30.0140.00016.70
8.0.20.0160.00016.88
8.0.10.0080.00316.84
7.4.330.0050.00015.55
7.4.320.0000.00716.47
7.4.300.0130.00016.41
7.4.290.0100.00316.28
7.4.280.0180.00016.43
7.4.270.0080.00816.49
7.4.260.0110.00716.51
7.4.250.0150.00016.41
7.4.240.0130.00416.50
7.4.230.0040.01116.48
7.4.220.0120.00216.53
7.4.210.0110.00516.35
7.4.200.0110.00416.38
7.4.190.0070.00716.34
7.4.180.0150.00016.54
7.4.160.0110.00416.48
7.4.150.0110.00316.25
7.4.140.0030.01116.42
7.4.130.0100.00316.36
7.4.120.0150.00016.28
7.4.110.0100.00416.40
7.4.100.0100.00516.54
7.4.90.0050.01016.39
7.4.80.0120.00316.24
7.4.70.0140.00016.34
7.4.60.0110.00416.36
7.4.50.0080.00616.32
7.4.40.0140.00016.25
7.4.30.0090.00516.32
7.4.20.0140.00016.43
7.4.10.0110.00216.45
7.4.00.0090.00416.28

preferences:
30.63 ms | 403 KiB | 5 Q