3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = &$a; foreach($a as $v) { echo "$v\n"; unset($a[1]); } print_r($a);

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)
8.3.60.0210.00016.63
8.3.50.0140.01121.18
8.3.40.0000.01418.67
8.3.30.0080.00818.77
8.3.20.0070.00020.20
8.3.10.0070.00023.58
8.3.00.0040.00423.63
8.2.180.0110.00716.38
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0080.00019.82
8.2.120.0070.00026.35
8.2.110.0050.00521.03
8.2.100.0040.00717.84
8.2.90.0050.00318.03
8.2.80.0040.00418.19
8.2.70.0050.00517.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0040.00422.14
8.2.30.0040.00419.56
8.2.20.0070.00017.62
8.2.10.0030.00618.00
8.2.00.0060.00317.93
8.1.280.0040.01825.92
8.1.270.0040.00418.86
8.1.260.0050.00528.09
8.1.250.0040.00428.09
8.1.240.0060.00323.82
8.1.230.0070.00320.83
8.1.220.0040.00417.78
8.1.210.0060.00318.95
8.1.200.0090.00317.25
8.1.190.0050.00517.10
8.1.180.0040.00418.10
8.1.170.0080.00018.66
8.1.160.0030.00320.77
8.1.150.0040.00418.89
8.1.140.0000.00819.58
8.1.130.0040.00417.71
8.1.120.0040.00317.32
8.1.110.0040.00417.36
8.1.100.0000.00817.36
8.1.90.0070.00017.48
8.1.80.0040.00417.46
8.1.70.0000.00717.45
8.1.60.0000.00817.57
8.1.50.0040.00417.54
8.1.40.0030.00717.54
8.1.30.0050.00317.50
8.1.20.0040.00417.52
8.1.10.0040.00417.58
8.1.00.0000.00717.53
8.0.300.0030.00519.95
8.0.290.0050.00216.75
8.0.280.0030.00318.44
8.0.270.0070.00017.25
8.0.260.0000.00717.33
8.0.250.0000.00816.94
8.0.240.0050.00316.93
8.0.230.0000.00716.86
8.0.220.0070.00016.81
8.0.210.0070.00016.91
8.0.200.0030.00616.95
8.0.190.0080.00316.93
8.0.180.0050.00316.82
8.0.170.0030.00616.84
8.0.160.0000.00716.76
8.0.150.0000.00716.81
8.0.140.0000.00716.77
8.0.130.0030.00313.35
8.0.120.0030.00516.91
8.0.110.0040.00416.95
8.0.100.0040.00416.87
8.0.90.0030.00316.79
8.0.80.0120.00616.76
8.0.70.0050.00316.91
8.0.60.0000.00716.83
8.0.50.0050.00316.82
8.0.30.0130.00616.91
8.0.20.0120.01117.40
8.0.10.0070.00017.10
8.0.00.0130.00716.80
7.4.330.0050.00016.71
7.4.320.0000.00616.42
7.4.300.0080.00016.49
7.4.290.0000.00616.58
7.4.280.0030.00616.41
7.4.270.0050.00216.61
7.4.260.0070.00016.44
7.4.250.0000.00716.54
7.4.240.0020.00616.63
7.4.230.0000.00716.57
7.4.220.0100.01016.46
7.4.210.0100.00616.67
7.4.200.0070.00016.43
7.4.150.0090.00917.40
7.4.140.0120.00817.86
7.4.130.0090.01016.52
7.4.120.0060.01216.51
7.4.110.0070.01516.51
7.4.100.0070.01116.58
7.4.90.0120.00616.41
7.4.80.0060.01219.39
7.4.70.0100.00716.55
7.4.60.0100.00716.62
7.4.50.0000.01516.26
7.4.40.0130.00716.47
7.4.30.0110.01516.64
7.4.00.0030.01115.01
7.3.330.0000.00613.11
7.3.320.0030.00313.11
7.3.310.0030.00516.25
7.3.300.0040.00416.25
7.3.290.0000.00816.23
7.3.280.0080.00916.25
7.3.270.0120.00617.40
7.3.260.0170.00016.52
7.3.250.0100.00816.38
7.3.240.0070.01016.46
7.3.230.0080.00916.39
7.3.210.0100.00616.39
7.3.200.0090.00619.39
7.3.190.0070.01416.53
7.3.180.0060.01516.35
7.3.170.0060.01616.27
7.3.160.0070.01516.24
7.3.10.0110.00416.27
7.3.00.0100.00616.80
7.2.330.0100.01316.64
7.2.320.0080.00916.57
7.2.310.0110.01116.66
7.2.300.0060.01516.58
7.2.290.0160.00616.73
7.2.130.0080.00416.88
7.2.120.0030.01216.96
7.2.110.0040.00817.00
7.2.100.0100.00316.88
7.2.90.0000.01617.07
7.2.80.0050.00516.75
7.2.70.0000.01616.98
7.2.60.0120.00416.77
7.2.50.0100.00317.05
7.2.40.0130.00316.75
7.2.30.0120.00416.60
7.2.20.0080.00416.94
7.2.10.0110.00716.88
7.2.00.0080.00818.14
7.1.250.0060.00615.55
7.1.200.0040.00815.81
7.1.100.0050.00818.01
7.1.70.0070.01016.93
7.1.60.0140.01119.30
7.1.50.0030.01416.98
7.1.00.0000.08022.43
7.0.200.0000.00816.62
7.0.60.0030.08721.75
7.0.50.0100.07017.86
7.0.40.0030.04720.13
7.0.30.0400.04020.07
7.0.20.0270.06720.09
7.0.10.0130.04020.09
7.0.00.0070.09020.12
5.6.280.0000.03321.12
5.6.210.0070.05720.47
5.6.200.0100.08018.12
5.6.190.0100.03720.67
5.6.180.0430.05020.75
5.6.170.0300.07320.54
5.6.160.0030.07020.39
5.6.150.0100.05018.16
5.6.140.0070.04718.23
5.6.130.0000.06718.16
5.6.120.0030.09021.14
5.6.110.0030.08321.13
5.6.100.0130.08320.95
5.6.90.0070.08321.09
5.6.80.0200.07320.34
5.5.350.3400.03720.43
5.5.340.0100.07717.99
5.5.330.0070.03720.13
5.5.320.0470.03320.32
5.5.310.0270.07720.29
5.5.300.0070.03717.98
5.5.290.0100.05718.08
5.5.280.0070.04720.64
5.5.270.0070.09020.79
5.5.260.0030.09020.72
5.5.250.0170.07320.44
5.5.240.0030.08320.27

preferences:
55.17 ms | 401 KiB | 5 Q