3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("FFF" => '1',22,54,75,90,364); $keys = array_keys($array); Var_dump($keys);

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)
8.3.60.0150.00016.38
8.3.50.0100.00716.25
8.3.40.0090.00918.42
8.3.30.0140.00018.54
8.3.20.0000.00720.33
8.3.10.0040.00421.90
8.3.00.0080.00017.53
8.2.180.0130.00316.61
8.2.170.0110.01122.96
8.2.160.0070.00720.20
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0040.00422.20
8.2.120.0070.00026.35
8.2.110.0000.00919.39
8.2.100.0060.00617.77
8.2.90.0060.00319.04
8.2.80.0040.00417.97
8.2.70.0120.00017.50
8.2.60.0050.00317.91
8.2.50.0000.00918.10
8.2.40.0000.00820.65
8.2.30.0000.00719.06
8.2.20.0040.00417.93
8.2.10.0000.00718.09
8.2.00.0000.00818.06
8.1.280.0120.00625.92
8.1.270.0030.00523.98
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00323.88
8.1.230.0060.00617.77
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00517.11
8.1.180.0030.00518.10
8.1.170.0000.00918.51
8.1.160.0040.00419.05
8.1.150.0020.00520.52
8.1.140.0040.00419.51
8.1.130.0070.00018.74
8.1.120.0040.00317.31
8.1.110.0050.00317.41
8.1.100.0000.00817.45
8.1.90.0000.00717.38
8.1.80.0000.00717.36
8.1.70.0000.00817.41
8.1.60.0000.01117.48
8.1.50.0040.00417.45
8.1.40.0000.00817.36
8.1.30.0040.00817.59
8.1.20.0040.00417.61
8.1.10.0000.00717.44
8.1.00.0040.00417.43
8.0.300.0000.00818.77
8.0.290.0020.00516.63
8.0.280.0030.00318.39
8.0.270.0070.00017.24
8.0.260.0060.00016.83
8.0.250.0000.00716.79
8.0.240.0080.00016.86
8.0.230.0030.00316.78
8.0.220.0050.00316.84
8.0.210.0030.00316.79
8.0.200.0030.00316.86
8.0.190.0000.00816.78
8.0.180.0020.00516.77
8.0.170.0030.00316.87
8.0.160.0040.00416.82
8.0.150.0030.00316.73
8.0.140.0030.00316.78
8.0.130.0060.00013.24
8.0.120.0000.00716.80
8.0.110.0000.00716.66
8.0.100.0050.00316.71
8.0.90.0000.00716.86
8.0.80.0080.01416.84
8.0.70.0000.00816.71
8.0.60.0020.00516.84
8.0.50.0000.00716.88
8.0.30.0120.00817.06
8.0.20.0090.01117.40
8.0.10.0040.00416.84
8.0.00.0040.01316.61
7.4.330.0000.00515.55
7.4.320.0040.00416.45
7.4.300.0060.00016.54
7.4.290.0000.00716.42
7.4.280.0040.00416.57
7.4.270.0050.00316.54
7.4.260.0060.00316.44
7.4.250.0000.00716.53
7.4.240.0000.00816.55
7.4.230.0000.00716.28
7.4.220.0120.00616.57
7.4.210.0090.01316.46
7.4.200.0030.00316.63
7.4.160.0080.00816.34
7.4.150.0140.00717.40
7.4.140.0110.00817.86
7.4.130.0080.01216.40
7.4.120.0140.00616.40
7.4.110.0040.01316.29
7.4.100.0120.00616.20
7.4.90.0100.00616.44
7.4.80.0060.00919.39
7.4.70.0160.00016.33
7.4.60.0110.00516.52
7.4.50.0030.01116.46
7.4.40.0070.01016.49
7.4.30.0090.00816.52
7.4.00.0120.00414.98
7.3.330.0050.00013.03
7.3.320.0050.00013.05
7.3.310.0040.00416.20
7.3.300.0070.00016.13
7.3.290.0100.00416.11
7.3.280.0070.00916.15
7.3.270.0160.00017.40
7.3.260.0080.01016.35
7.3.250.0090.00816.07
7.3.240.0060.01116.14
7.3.230.0080.01216.43
7.3.210.0170.00416.22
7.3.200.0120.00416.36
7.3.190.0090.01216.18
7.3.180.0100.00716.07
7.3.170.0090.01316.36
7.3.160.0110.00716.38
7.3.10.0070.00316.46
7.3.00.0060.00616.45
7.2.330.0080.01116.57
7.2.320.0100.00716.36
7.2.310.0060.00916.40
7.2.300.0090.01016.42
7.2.290.0090.00916.29
7.2.130.0080.00416.73
7.2.120.0000.01416.76
7.2.110.0000.01416.71
7.2.100.0000.01216.76
7.2.90.0030.00616.58
7.2.80.0110.00516.41
7.2.70.0030.01016.72
7.2.60.0030.01016.77
7.2.50.0040.01116.77
7.2.40.0060.00316.98
7.2.30.0070.00316.84
7.2.20.0000.01516.27
7.2.10.0040.01116.55
7.2.00.0070.00618.07
7.1.250.0040.00415.64
7.1.200.0030.00915.83
7.1.100.0070.00718.00
7.1.70.0130.00617.03
7.1.60.0210.00735.14
7.1.50.0230.01034.84
7.1.40.0170.02034.27
7.1.30.0190.01834.54
7.1.20.0130.01534.54
7.1.10.0060.00916.68
7.1.00.0080.00916.64
7.0.200.0070.00716.77
7.0.190.0000.01616.66
7.0.180.0000.01816.05
7.0.170.0100.00916.20
7.0.160.0030.01116.30
7.0.150.0110.00616.05
7.0.140.0000.01616.36
7.0.130.0090.00816.57
7.0.120.0000.01516.43
7.0.110.0100.00716.35
7.0.100.0110.00616.17
7.0.90.0060.01216.23
7.0.80.0020.01416.31
7.0.70.0100.01216.16
7.0.60.0030.01216.17
7.0.50.0000.01616.36
7.0.40.0080.00916.54
7.0.30.0030.01316.55
7.0.20.0100.00816.42
7.0.10.0060.01216.11
7.0.00.0060.01216.12

preferences:
43.13 ms | 401 KiB | 5 Q