3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 0; $data = [ '1' => null, '2' => null, '3' => null, '4' => null, '5' => null ]; foreach ($data as &$item) { $item = ++$i; } foreach ($data as $key => $item) { echo $item; } foreach ($data as $key => $item) { echo $item; }

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)
8.3.70.0110.00416.50
8.3.60.0160.00316.38
8.3.50.0090.00617.97
8.3.40.0060.00918.63
8.3.30.0030.01018.63
8.3.20.0070.00020.16
8.3.10.0000.00723.48
8.3.00.0080.00019.69
8.2.180.0140.00316.32
8.2.170.0140.00322.96
8.2.160.0070.00719.46
8.2.150.0070.00724.18
8.2.140.0000.00924.66
8.2.130.0070.00422.17
8.2.120.0070.00026.35
8.2.110.0030.01422.03
8.2.100.0080.00419.57
8.2.90.0040.00417.84
8.2.80.0000.00820.52
8.2.70.0050.00318.03
8.2.60.0090.00018.03
8.2.50.0050.00218.22
8.2.40.0050.00320.61
8.2.30.0000.00919.13
8.2.20.0070.00018.00
8.2.10.0000.00718.03
8.2.00.0030.00518.24
8.1.280.0040.01125.92
8.1.270.0000.00722.00
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00623.98
8.1.230.0070.00420.84
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0080.00317.35
8.1.190.0080.00017.66
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0050.00218.99
8.1.150.0040.00420.14
8.1.140.0040.00417.62
8.1.130.0030.00318.96
8.1.120.0030.00317.45
8.1.110.0040.00417.36
8.1.100.0040.00417.35
8.1.90.0000.00717.50
8.1.80.0070.00017.48
8.1.70.0030.00317.43
8.1.60.0040.00417.52
8.1.50.0040.00417.57
8.1.40.0080.00017.41
8.1.30.0050.00217.48
8.1.20.0050.00317.68
8.1.10.0030.00617.41
8.1.00.0030.00517.28
8.0.300.0000.00719.95
8.0.290.0040.00416.88
8.0.280.0040.00418.38
8.0.270.0080.00017.13
8.0.260.0040.00416.82
8.0.250.0070.00016.93
8.0.240.0000.00716.98
8.0.230.0070.00016.96
8.0.220.0030.00316.86
8.0.210.0040.00416.91
8.0.200.0000.00616.81
8.0.190.0050.00316.88
8.0.180.0070.00016.85
8.0.170.0040.00416.81
8.0.160.0040.00416.86
8.0.150.0000.00716.68
8.0.140.0040.00416.86
8.0.130.0050.00013.32
8.0.120.0040.00416.90
8.0.110.0000.00816.93
8.0.100.0050.00316.87
8.0.90.0000.00716.75
8.0.80.0100.00316.82
8.0.70.0040.00416.79
8.0.60.0050.00216.77
8.0.50.0000.00716.86
8.0.30.0060.01217.02
8.0.20.0090.01217.40
8.0.10.0040.00417.07
8.0.00.0120.00716.86
7.4.330.0050.00015.55
7.4.320.0030.00316.65
7.4.300.0030.00316.44
7.4.290.0000.00716.51
7.4.280.0000.00716.35
7.4.270.0040.00416.53
7.4.260.0070.00016.60
7.4.250.0040.00416.55
7.4.240.0030.00516.43
7.4.230.0030.00316.25
7.4.220.0040.00416.48
7.4.210.0050.01016.49
7.4.200.0030.00316.50
7.4.160.0080.00916.42
7.4.150.0040.01317.40
7.4.140.0110.00817.86
7.4.130.0090.00916.52
7.4.120.0140.00616.54
7.4.110.0060.01116.41
7.4.100.0110.00616.45
7.4.90.0100.00716.52
7.4.80.0040.01419.39
7.4.70.0150.00616.43
7.4.60.0060.01016.55
7.4.50.0120.00316.46
7.4.40.0110.00616.53
7.4.00.0070.01014.73
7.3.330.0000.00513.00
7.3.320.0000.00613.25
7.3.310.0040.00416.22
7.3.300.0060.00016.25
7.3.290.0000.00816.28
7.3.280.0070.01116.25
7.3.270.0070.01017.40
7.3.260.0120.01016.47
7.3.250.0070.01016.38
7.3.240.0100.00816.39
7.3.230.0060.00916.33
7.3.210.0070.01016.16
7.3.200.0090.01316.25
7.3.190.0120.00416.49
7.3.180.0160.00616.53
7.3.170.0110.00516.42
7.3.160.0030.01816.41
7.2.330.0080.00816.64
7.2.320.0110.00716.70
7.2.310.0060.00916.45
7.2.300.0090.00916.70
7.2.290.0110.01116.69
7.2.60.0070.00717.03
7.2.20.0090.01719.95
7.2.10.0110.00819.73
7.2.00.0060.00919.99
7.1.200.0000.01215.98
7.1.140.0050.01118.71
7.1.130.0110.00818.69
7.1.120.0080.00818.69
7.1.110.0070.01118.01
7.1.100.0040.01318.10
7.1.90.0030.01318.05
7.1.80.0080.00618.32
7.1.70.0030.01017.19
7.1.60.0190.01934.98
7.1.50.0220.01234.71
7.1.40.0160.02034.14
7.1.30.0200.01634.65
7.1.20.0280.00834.67
7.1.10.0090.00616.54
7.1.00.0060.01116.82

preferences:
58.03 ms | 400 KiB | 5 Q