3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(true, false, false, true); $ao = new ArrayObject($a); foreach ($a as $key => $value) { echo $key, "\n"; if (!$value) { unset($a[$key]); } } echo json_encode($a), "\n"; echo "\n"; foreach ($ao as $key => $value) { echo $key, "\n"; if (!$value) { unset($ao[$key]); } } echo json_encode($ao), "\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)
8.3.40.0110.00418.67
8.3.30.0120.00618.67
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.170.0070.00722.96
8.2.160.0110.00322.96
8.2.150.0070.00025.66
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00021.04
8.2.110.0090.00020.38
8.2.100.0080.00417.66
8.2.90.0030.00618.03
8.2.80.0040.00417.97
8.2.70.0050.00318.04
8.2.60.0040.00418.21
8.2.50.0050.00318.10
8.2.40.0080.00019.32
8.2.30.0040.00418.09
8.2.20.0040.00418.13
8.2.10.0040.00419.19
8.2.00.0040.00419.13
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0030.01328.09
8.1.240.0000.00923.84
8.1.230.0040.00822.65
8.1.220.0060.00317.74
8.1.210.0000.00919.04
8.1.200.0030.00617.35
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0050.00319.03
8.1.150.0000.00718.83
8.1.140.0000.00820.71
8.1.130.0000.00717.37
8.1.120.0030.00517.49
8.1.110.0000.00817.32
8.1.100.0080.00017.49
8.1.90.0000.00817.35
8.1.80.0030.00717.42
8.1.70.0020.00517.34
8.1.60.0030.00517.61
8.1.50.0030.00617.39
8.1.40.0040.00417.43
8.1.30.0000.00817.66
8.1.20.0000.00917.63
8.1.10.0070.00417.57
8.1.00.0040.00817.41
8.0.300.0000.00720.16
8.0.290.0080.00016.75
8.0.280.0000.00718.56
8.0.270.0070.00018.04
8.0.260.0030.00316.87
8.0.250.0030.00317.02
8.0.240.0040.00416.96
8.0.230.0030.00617.02
8.0.220.0030.00316.88
8.0.210.0030.00516.87
8.0.200.0040.00416.81
8.0.190.0030.00616.97
8.0.180.0030.00316.85
8.0.170.0000.00916.90
8.0.160.0030.00516.75
8.0.150.0000.00716.71
8.0.140.0030.00516.78
8.0.130.0000.00613.36
8.0.120.0040.00416.90
8.0.110.0000.00916.80
8.0.100.0040.00416.86
8.0.90.0050.00216.93
8.0.80.0040.01016.80
8.0.70.0040.00416.81
8.0.60.0040.00416.85
8.0.50.0040.00416.99
8.0.30.0120.00616.79
8.0.20.0070.00816.94
8.0.10.0070.00816.98
8.0.00.0100.00816.99
7.4.330.0050.00015.55
7.4.320.0030.00316.52
7.4.300.0000.00616.50
7.4.290.0000.00716.44
7.4.280.0070.00016.59
7.4.270.0030.00316.50
7.4.260.0000.00613.24
7.4.250.0000.00716.52
7.4.240.0060.00116.50
7.4.230.0000.00716.50
7.4.220.0040.00316.45
7.4.210.0060.00816.56
7.4.200.0000.00716.39
7.4.190.0030.00316.47
7.4.180.0070.00016.61
7.4.160.0080.00616.56
7.4.150.0110.00316.43
7.4.140.0120.00416.47
7.4.130.0100.00716.46
7.4.120.0100.00716.59
7.4.110.0100.00816.45
7.4.100.0110.00516.54
7.4.90.0090.00616.41
7.4.80.0060.00916.41
7.4.70.0060.00816.47
7.4.60.0130.00816.47
7.4.50.0080.00716.30
7.4.40.0100.00716.30
7.4.30.0050.01216.49
7.4.20.0110.00516.49
7.4.10.0100.00616.42
7.4.00.0100.00516.46
7.3.330.0000.00716.27
7.3.320.0020.00313.20
7.3.310.0040.00316.18
7.3.300.0030.00316.18
7.3.290.0040.00816.30
7.3.280.0070.00816.34
7.3.270.0070.00616.27
7.3.260.0110.00616.37
7.3.250.0100.00616.34
7.3.240.0090.01016.37
7.3.230.0110.00516.34
7.3.220.0120.00816.28
7.3.210.0120.00616.22
7.3.200.0100.00816.23
7.3.190.0100.00816.27
7.3.180.0150.00516.28
7.3.170.0120.00716.28
7.3.160.0100.00916.24
7.3.150.0130.00716.24
7.3.140.0080.01216.25
7.3.130.0160.00716.19
7.3.120.0140.00716.30
7.3.110.0130.00816.19
7.3.100.0130.00716.18
7.3.90.0100.00916.45
7.3.80.0140.00616.26
7.3.70.0130.00616.44
7.3.60.0120.00816.44
7.3.50.0130.00416.40
7.3.40.0070.00916.44
7.3.30.0090.00716.41
7.3.20.0120.00716.99
7.3.10.0060.01216.94
7.3.00.0060.00917.02
7.0.330.0030.00316.96
5.6.170.0060.00115.96
4.3.50.0010.00110.50

preferences:
56.61 ms | 400 KiB | 5 Q