3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array(1, 2, 3); foreach ($list as &$item){ //var_dump($item); //var_dump($list); } foreach ($list as $item){ var_dump($item); var_dump($list); } print_r($list);

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)
8.3.60.0150.00316.75
8.3.50.0070.01420.09
8.3.40.0110.00418.46
8.3.30.0070.00718.41
8.3.20.0050.00221.73
8.3.10.0080.00023.33
8.3.00.0040.00421.96
8.2.180.0040.01118.25
8.2.170.0040.01122.96
8.2.160.0130.00022.21
8.2.150.0030.00624.18
8.2.140.0030.00724.66
8.2.130.0080.00019.58
8.2.120.0050.00226.35
8.2.110.0070.00320.84
8.2.100.0110.00017.78
8.2.90.0000.01117.84
8.2.80.0040.00419.02
8.2.70.0040.00417.50
8.2.60.0080.00017.50
8.2.50.0000.00817.93
8.2.40.0000.00819.78
8.2.30.0000.00817.65
8.2.20.0020.00518.06
8.2.10.0000.00818.11
8.2.00.0040.00417.72
8.1.280.0170.00325.92
8.1.270.0000.00723.95
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0040.00723.77
8.1.230.0070.00420.82
8.1.220.0000.00717.77
8.1.210.0040.00418.78
8.1.200.0040.00417.25
8.1.190.0030.00517.13
8.1.180.0040.00818.10
8.1.170.0070.00217.62
8.1.160.0020.00519.00
8.1.150.0000.00820.26
8.1.140.0050.00219.54
8.1.130.0030.00319.01
8.1.120.0040.00417.35
8.1.110.0050.00317.35
8.1.100.0040.00417.49
8.1.90.0100.00017.43
8.1.80.0050.00217.40
8.1.70.0000.00717.38
8.1.60.0040.00417.47
8.1.50.0000.00817.50
8.1.40.0040.00417.55
8.1.30.0040.00417.62
8.1.20.0040.00417.63
8.1.10.0040.00417.35
8.1.00.0080.00317.26
8.0.300.0070.00020.04
8.0.290.0040.00416.75
8.0.280.0000.00718.54
8.0.270.0000.00718.05
8.0.260.0000.00617.25
8.0.250.0030.00316.87
8.0.240.0030.00316.96
8.0.230.0030.00316.95
8.0.220.0000.00816.93
8.0.210.0000.00716.85
8.0.200.0000.00916.91
8.0.190.0000.00716.85
8.0.180.0110.00016.91
8.0.170.0030.00516.93
8.0.160.0000.00816.91
8.0.150.0070.00016.84
8.0.140.0050.00316.74
8.0.130.0030.00313.25
8.0.120.0040.00416.84
8.0.110.0040.00416.96
8.0.100.0030.00516.94
8.0.90.0050.00316.77
8.0.80.0080.00816.88
8.0.70.0030.00516.78
8.0.60.0070.00017.00
8.0.50.0080.00016.89
8.0.30.0120.00717.14
8.0.20.0130.00717.40
8.0.10.0040.00417.00
8.0.00.0160.01016.79
7.4.330.0000.00515.55
7.4.320.0030.00316.50
7.4.300.0030.00316.51
7.4.290.0040.00416.51
7.4.280.0000.00816.56
7.4.270.0080.00016.55
7.4.260.0040.00416.49
7.4.250.0030.00316.48
7.4.240.0000.00716.50
7.4.230.0000.00816.42
7.4.220.0090.00916.59
7.4.210.0080.00816.55
7.4.200.0000.00716.49
7.4.160.0070.01016.33
7.4.150.0030.02117.40
7.4.140.0150.00617.86
7.4.130.0100.00916.56
7.4.120.0090.01016.49
7.4.110.0160.00616.45
7.4.100.0270.01116.58
7.4.90.0100.00716.28
7.4.80.0150.00919.39
7.4.70.0120.00616.60
7.4.60.0070.01016.45
7.4.50.0070.00716.30
7.4.40.0150.00316.46
7.4.30.0120.00916.40
7.4.00.0030.01015.02
7.3.330.0100.00013.16
7.3.320.0030.00313.01
7.3.310.0030.00316.38
7.3.300.0070.00016.30
7.3.290.0060.00016.28
7.3.280.0080.00816.28
7.3.270.0070.01117.40
7.3.260.0100.00816.33
7.3.250.0090.00916.23
7.3.240.0150.00316.42
7.3.230.0110.00816.57
7.3.210.0060.01116.43
7.3.200.0170.00716.59
7.3.190.0070.01316.49
7.3.180.0060.00916.16
7.3.170.0070.01016.49
7.3.160.0090.01316.36
7.2.330.0150.00316.63
7.2.320.0120.00916.52
7.2.310.0030.01316.46
7.2.300.0130.00516.65
7.2.290.0110.01116.73
7.2.60.0070.01016.89
7.1.200.0000.01615.78
7.1.70.0030.00717.24
7.1.60.0580.00715.30
7.1.10.0070.06322.18
7.1.00.0170.04722.41
7.0.200.0030.01416.80
7.0.150.0100.05321.89
7.0.140.0100.05321.89
7.0.130.0070.05721.92
7.0.120.0100.05321.88
7.0.110.0070.06021.89
7.0.100.0030.06021.96
7.0.90.0170.04721.87
7.0.80.0070.05721.84
7.0.70.0030.06021.85
7.0.60.0030.05721.78
7.0.50.0000.06321.94
7.0.40.0070.05321.89
7.0.30.0030.06021.93
7.0.20.0130.05021.85
7.0.10.0100.05321.88
7.0.00.0100.07021.86

preferences:
51.21 ms | 401 KiB | 5 Q