3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = ['foo', 'bar']; $arr = ['fto' => '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)
8.3.60.0150.00618.14
8.3.50.0090.00618.09
8.3.40.0140.00018.42
8.3.30.0120.00318.42
8.3.20.0080.00018.56
8.3.10.0040.00423.65
8.3.00.0040.00420.39
8.2.180.0090.00618.03
8.2.170.0110.00322.96
8.2.160.0000.01420.92
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0040.00419.83
8.2.120.0040.00426.35
8.2.110.0100.00022.00
8.2.100.0070.00417.65
8.2.90.0040.00417.75
8.2.80.0030.00719.36
8.2.70.0050.00317.80
8.2.60.0040.00418.03
8.2.50.0040.00418.10
8.2.40.0000.00719.34
8.2.30.0040.00419.17
8.2.20.0080.00018.04
8.2.10.0030.00517.98
8.2.00.0040.00417.55
8.1.280.0040.01125.92
8.1.270.0030.00618.75
8.1.260.0040.00426.35
8.1.250.0040.00728.09
8.1.240.0040.00423.89
8.1.230.0040.00817.70
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0040.00417.36
8.1.190.0000.00817.11
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0000.00818.81
8.1.150.0000.00718.66
8.1.140.0040.00422.00
8.1.130.0000.00719.98
8.1.120.0070.00017.30
8.1.110.0030.00617.39
8.1.100.0040.00417.38
8.1.90.0040.00417.42
8.1.80.0040.00417.29
8.1.70.0000.00717.29
8.1.60.0000.00817.39
8.1.50.0050.00317.46
8.1.40.0000.00717.32
8.1.30.0030.00517.49
8.1.20.0050.00217.59
8.1.10.0070.00017.27
8.1.00.0070.00017.38
8.0.300.0070.00018.77
8.0.290.0000.00816.63
8.0.280.0040.00418.37
8.0.270.0030.00317.08
8.0.260.0030.00318.36
8.0.250.0030.00316.84
8.0.240.0000.00816.75
8.0.230.0060.00016.77
8.0.220.0070.00016.70
8.0.210.0040.00416.79
8.0.200.0000.00716.84
8.0.190.0000.00716.70
8.0.180.0050.00216.90
8.0.170.0040.00416.71
8.0.160.0030.00316.81
8.0.150.0050.00316.73
8.0.140.0000.00716.66
8.0.130.0000.00513.26
8.0.120.0040.00416.78
8.0.110.0030.00516.87
8.0.100.0000.00716.66
8.0.90.0070.00016.73
8.0.80.0040.01316.84
8.0.70.0000.00716.64
8.0.60.0000.00816.84
8.0.50.0040.00416.69
8.0.30.0090.01017.00
8.0.20.0120.00817.40
8.0.10.0000.00716.99
8.0.00.0110.00816.63
7.4.330.0000.00415.55
7.4.320.0060.00016.56
7.4.300.0070.00016.50
7.4.290.0000.00716.43
7.4.280.0080.00016.41
7.4.270.0040.00416.45
7.4.260.0000.00716.52
7.4.250.0000.00716.43
7.4.240.0050.00216.48
7.4.230.0070.00016.36
7.4.220.0050.00216.32
7.4.210.0080.00716.59
7.4.200.0060.00316.27
7.4.160.0070.01016.39
7.4.140.0090.01017.86
7.4.130.0070.01416.34
7.4.120.0110.00716.40
7.4.110.0170.00716.55
7.4.100.0070.01016.34
7.4.90.0040.02016.38
7.4.80.0070.01019.39
7.4.70.0040.01616.55
7.4.60.0150.00316.32
7.4.50.0100.00716.26
7.4.40.0090.00816.38
7.3.330.0020.00213.06
7.3.320.0030.00313.02
7.3.310.0090.00016.22
7.3.300.0000.00716.12
7.3.290.0000.00716.03
7.3.280.0070.00716.13
7.3.260.0090.01016.22
7.3.240.0090.00916.33
7.3.230.0150.00316.39
7.3.210.0080.00816.13
7.3.200.0110.00616.54
7.3.190.0060.01516.10
7.3.180.0030.01316.06
7.3.170.0090.00916.12
7.3.160.0090.00616.43
7.2.330.0100.00716.52
7.2.320.0090.00616.22
7.2.310.0070.00816.62
7.2.300.0110.00616.30
7.2.290.0090.00916.46

preferences:
37.23 ms | 401 KiB | 5 Q