3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 'id' => 1, 'field' => 2, ]; var_dump(array_diff_key(['id'],$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)
8.3.60.0140.00016.63
8.3.50.0000.01416.27
8.3.40.0040.01218.64
8.3.30.0140.00718.39
8.3.20.0040.00420.34
8.3.10.0040.00421.69
8.3.00.0050.00317.66
8.2.180.0100.01016.50
8.2.170.0150.00622.96
8.2.160.0100.00320.24
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.52
8.2.120.0000.00726.35
8.2.110.0090.00020.39
8.2.100.0070.00417.72
8.2.90.0040.00417.84
8.2.80.0050.00317.97
8.2.70.0000.00817.25
8.2.60.0080.00017.80
8.2.50.0030.00518.10
8.2.40.0060.00320.55
8.2.30.0040.00421.08
8.2.20.0040.00417.98
8.2.10.0030.00517.95
8.2.00.0040.00417.88
8.1.280.0070.01425.92
8.1.270.0070.00022.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0130.00322.23
8.1.230.0090.00323.89
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.00
8.1.190.0050.00316.88
8.1.180.0070.00018.10
8.1.170.0040.00418.59
8.1.160.0040.00418.89
8.1.150.0070.00020.66
8.1.140.0030.00519.51
8.1.130.0070.00018.73
8.1.120.0000.00717.45
8.1.110.0000.00817.40
8.1.100.0040.00417.30
8.1.90.0040.00417.41
8.1.80.0030.00317.29
8.1.70.0030.00517.27
8.1.60.0000.00817.49
8.1.50.0030.00617.52
8.1.40.0040.00417.36
8.1.30.0030.00817.52
8.1.20.0070.00017.58
8.1.10.0040.00417.45
8.1.00.0040.00417.39
8.0.300.0000.00719.86
8.0.290.0090.00016.59
8.0.280.0030.00318.43
8.0.270.0030.00317.18
8.0.260.0030.00316.88
8.0.250.0030.00316.90
8.0.240.0070.00016.77
8.0.230.0050.00216.89
8.0.220.0080.00016.74
8.0.210.0000.00816.84
8.0.200.0000.00716.86
8.0.190.0030.00616.88
8.0.180.0000.00816.73
8.0.170.0000.00716.89
8.0.160.0000.00716.91
8.0.150.0070.00016.82
8.0.140.0030.00316.77
8.0.130.0000.00513.28
8.0.120.0050.00216.76
8.0.110.0030.00316.91
8.0.100.0000.00716.70
8.0.90.0030.00416.85
8.0.80.0040.01216.83
8.0.70.0000.00716.78
8.0.60.0070.00016.66
8.0.50.0000.00816.73
8.0.30.0140.00517.02
8.0.20.0090.01217.40
8.0.10.0050.00316.75
8.0.00.0090.00916.62
7.4.330.0000.00515.55
7.4.320.0060.00016.53
7.4.300.0040.00416.54
7.4.290.0030.00316.34
7.4.280.0070.00016.54
7.4.270.0050.00316.43
7.4.260.0000.00513.12
7.4.250.0040.00416.30
7.4.240.0000.00816.54
7.4.230.0050.00216.42
7.4.220.0130.00916.45
7.4.210.0080.00816.47
7.4.200.0070.00016.64
7.4.160.0100.00816.39
7.4.150.0140.00417.40
7.4.140.0070.00917.86
7.4.130.0040.01616.27
7.4.120.0100.00816.48
7.3.330.0050.00013.05
7.3.320.0020.00313.05
7.3.310.0000.00716.07
7.3.300.0030.00316.16
7.3.290.0000.00716.21
7.3.280.0090.00816.13
7.3.270.0130.01017.40
7.3.260.0050.01116.34
7.3.250.0080.01016.31
7.3.240.0140.00416.25

preferences:
56.16 ms | 401 KiB | 5 Q