3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = ['foo', 'bar']; $arr = ['foo' => 'fuu', 'baz' => 'BAZ']; $diff = array_diff($keys, array_keys($arr)); var_dump($diff);

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)
8.3.60.0120.00918.43
8.3.50.0110.00418.04
8.3.40.0110.00418.59
8.3.30.0070.00718.46
8.3.20.0070.00018.53
8.3.10.0040.00423.48
8.3.00.0060.00320.55
8.2.180.0120.00918.29
8.2.170.0150.00022.96
8.2.160.0110.00421.04
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00719.71
8.2.120.0040.00426.35
8.2.110.0050.00522.08
8.2.100.0110.00017.84
8.2.90.0050.00317.61
8.2.80.0050.00517.97
8.2.70.0030.00617.80
8.2.60.0000.00818.09
8.2.50.0040.00418.10
8.2.40.0030.00519.34
8.2.30.0040.00419.11
8.2.20.0000.00817.86
8.2.10.0040.00418.07
8.2.00.0090.00017.64
8.1.280.0040.01125.92
8.1.270.0070.00318.73
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.88
8.1.230.0070.00417.58
8.1.220.0080.00017.79
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0030.00616.88
8.1.180.0070.00018.10
8.1.170.0000.00818.52
8.1.160.0040.00418.80
8.1.150.0040.00418.68
8.1.140.0030.00322.12
8.1.130.0000.00720.06
8.1.120.0030.00317.40
8.1.110.0000.01017.37
8.1.100.0080.00017.38
8.1.90.0050.00317.36
8.1.80.0040.00417.29
8.1.70.0000.00717.28
8.1.60.0040.00417.49
8.1.50.0000.00817.28
8.1.40.0080.00017.38
8.1.30.0000.00717.40
8.1.20.0040.00417.56
8.1.10.0000.00717.42
8.1.00.0020.00517.26
8.0.300.0000.00718.77
8.0.290.0030.00516.63
8.0.280.0000.00718.36
8.0.270.0000.00717.09
8.0.260.0030.00318.40
8.0.250.0070.00016.78
8.0.240.0000.00616.88
8.0.230.0000.00716.86
8.0.220.0070.00016.82
8.0.210.0070.00016.83
8.0.200.0000.00716.84
8.0.190.0030.00416.77
8.0.180.0000.00716.83
8.0.170.0040.00416.75
8.0.160.0000.00816.75
8.0.150.0040.00416.80
8.0.140.0050.00316.65
8.0.130.0060.00013.26
8.0.120.0030.00616.75
8.0.110.0000.00716.84
8.0.100.0000.00816.77
8.0.90.0000.00816.85
8.0.80.0080.01016.77
8.0.70.0080.00016.68
8.0.60.0050.00216.61
8.0.50.0070.00016.64
8.0.30.0070.00817.07
8.0.20.0070.01117.40
8.0.10.0040.00417.05
8.0.00.0070.01216.70
7.4.330.0000.00515.55
7.4.320.0060.00016.43
7.4.300.0000.00716.51
7.4.290.0040.00416.34
7.4.280.0030.00516.50
7.4.270.0070.00016.36
7.4.260.0080.00016.52
7.4.250.0000.00716.39
7.4.240.0070.00016.38
7.4.230.0040.00416.59
7.4.220.0050.00316.52
7.4.210.0100.00816.38
7.4.200.0040.00416.36
7.4.160.0060.01116.47
7.4.140.0110.00717.86
7.4.130.0120.00616.50
7.4.120.0120.00716.39
7.4.110.0120.01216.38
7.4.100.0120.00316.49
7.4.90.0060.01216.59
7.4.80.0120.00619.39
7.4.70.0080.00816.43
7.4.60.0150.00316.25
7.4.50.0120.00616.46
7.4.40.0070.01116.34
7.3.330.0050.00013.07
7.3.320.0000.00612.98
7.3.310.0030.00616.26
7.3.300.0000.00716.16
7.3.290.0000.00716.17
7.3.280.0110.00316.14
7.3.260.0090.01016.23
7.3.240.0110.00716.14
7.3.230.0070.01016.37
7.3.210.0090.01216.23
7.3.200.0100.00716.02
7.3.190.0160.00416.09
7.3.180.0060.01216.21
7.3.170.0160.00316.51
7.3.160.0030.02016.38
7.2.330.0100.00716.61
7.2.320.0150.00416.59
7.2.310.0090.00616.21
7.2.300.0030.01316.53
7.2.290.0100.00616.68

preferences:
36.26 ms | 401 KiB | 5 Q