3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('foo' => 42, 'bar' => null); $obj = new ArrayObject($arr); foreach (array($arr, $obj) as $ao) { var_dump($ao); foreach (array('foo', 'bar', 'qux') as $key) { echo "- '$key'\n"; echo 'isset: '; var_dump(isset($ao[$key])); echo 'array_key_exists: '; var_dump(array_key_exists($key, (array)$ao)); unset($ao[$key]); } var_dump($ao); echo "\n"; }

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)
8.3.60.0130.00318.30
8.3.50.0100.00716.38
8.3.40.0120.00918.75
8.3.30.0120.00618.60
8.3.20.0070.00024.18
8.3.10.0000.00924.66
8.3.00.0050.00326.16
8.2.180.0090.00925.92
8.2.170.0060.01318.96
8.2.160.0100.00322.96
8.2.150.0000.00725.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00019.83
8.2.110.0070.00421.03
8.2.100.0040.00817.84
8.2.90.0040.00417.97
8.2.80.0030.00620.77
8.2.70.0000.00817.63
8.2.60.0080.00318.05
8.2.50.0050.00318.07
8.2.40.0000.00920.04
8.2.30.0000.00718.08
8.2.20.0080.00018.08
8.2.10.0080.00019.18
8.2.00.0050.00319.32
8.1.280.0070.00725.92
8.1.270.0070.00023.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0100.01322.58
8.1.230.0030.00820.89
8.1.220.0050.00317.78
8.1.210.0000.00818.91
8.1.200.0090.00017.13
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0000.00818.59
8.1.160.0030.00519.01
8.1.150.0040.00418.84
8.1.140.0080.00018.77
8.1.130.0000.00720.19
8.1.120.0000.00717.36
8.1.110.0000.00817.34
8.1.100.0040.00417.48
8.1.90.0080.00017.35
8.1.80.0000.00917.47
8.1.70.0040.00417.50
8.1.60.0040.00417.57
8.1.50.0030.00617.41
8.1.40.0030.00617.50
8.1.30.0060.00317.63
8.1.20.0090.00617.66
8.1.10.0080.00617.54
8.1.00.0110.00217.45
8.0.300.0070.00319.97
8.0.290.0070.00016.75
8.0.280.0070.00018.36
8.0.270.0030.00318.11
8.0.260.0060.00018.45
8.0.250.0040.00416.90
8.0.240.0030.00617.06
8.0.230.0000.00716.99
8.0.220.0000.00816.95
8.0.210.0000.00716.93
8.0.200.0000.00716.86
8.0.190.0040.00416.97
8.0.180.0050.00216.94
8.0.170.0050.00317.01
8.0.160.0040.00416.92
8.0.150.0040.00316.89
8.0.140.0080.00416.84
8.0.130.0130.00215.12
8.0.120.0110.00416.89
8.0.110.0130.00216.88
8.0.100.0090.00716.87
8.0.90.0080.00716.86
8.0.80.0090.00916.94
8.0.70.0130.00216.81
8.0.60.0100.00516.88
8.0.50.0100.00416.93
8.0.30.0170.00816.87
8.0.20.0130.01016.97
8.0.10.0120.01117.01
8.0.00.0110.01017.02
7.4.330.0000.00515.55
7.4.320.0000.00616.51
7.4.300.0030.00316.46
7.4.290.0030.00316.54
7.4.280.0040.00416.45
7.4.270.0140.00116.43
7.4.260.0080.00614.93
7.4.250.0110.00316.47
7.4.240.0080.00316.61
7.4.230.0080.00516.56
7.4.220.0030.00716.46
7.4.210.0100.00816.44
7.4.200.0090.00516.56
7.4.190.0210.00016.56
7.4.180.0090.00316.55
7.4.160.0110.00916.57
7.4.150.0140.00816.44
7.4.140.0080.01316.41
7.4.130.0080.01016.39
7.4.120.0110.00816.46
7.4.110.0140.00516.46
7.4.100.0100.01116.54
7.4.90.0120.00916.46
7.4.80.0130.00816.42
7.4.70.0100.01116.43
7.4.60.0150.00716.48
7.4.50.0130.00916.37
7.4.40.0150.00716.33
7.4.30.0170.00616.43
7.4.20.0100.00916.38
7.4.10.0110.01016.44
7.4.00.0130.00816.44
7.3.330.0120.00216.35
7.3.320.0120.00214.76
7.3.310.0100.00516.36
7.3.300.0090.00416.35
7.3.290.0110.00816.41
7.3.280.0130.01016.47
7.3.270.0160.00716.30
7.3.260.0120.00816.36
7.3.250.0120.00816.37
7.3.240.0130.00816.41
7.3.230.0140.00816.33
7.3.220.0180.00816.25
7.3.210.0150.00716.27
7.3.200.0160.00616.23
7.3.190.0130.00916.23
7.3.180.0130.00916.25
7.3.170.0130.00916.23
7.3.160.0140.00716.18
7.3.150.0160.00916.24
7.3.140.0170.00616.24
7.3.130.0140.00816.25
7.3.120.0130.00716.27
7.3.110.0170.00716.23
7.3.100.0150.00816.25
7.3.90.0150.00616.57
7.3.80.0140.00716.34
7.3.70.0140.00916.35
7.3.60.0110.01116.32
7.3.50.0120.00916.31
7.3.40.0140.00816.34
7.3.30.0140.00716.31
7.3.20.0120.01016.84
7.3.10.0160.00716.73
7.3.00.0150.01116.78

preferences:
69.03 ms | 401 KiB | 5 Q