3v4l.org

run code in 300+ PHP versions simultaneously
<?hh $items = [1, 2, 3]; foreach ($items as &$v) { } unset($v);

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)
8.3.60.0140.00416.50
8.3.50.0060.01217.93
8.3.40.0180.00318.62
8.3.30.0090.00618.33
8.3.20.0050.00320.87
8.3.10.0040.00421.60
8.3.00.0030.00519.25
8.2.180.0070.01416.32
8.2.170.0040.01122.96
8.2.160.0110.00722.16
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00218.09
8.2.120.0080.00026.35
8.2.110.0050.00521.11
8.2.100.0000.01117.72
8.2.90.0000.00818.22
8.2.80.0020.00517.97
8.2.70.0040.00417.92
8.2.60.0040.00417.91
8.2.50.0060.00318.10
8.2.40.0040.00420.34
8.2.30.0000.00819.11
8.2.20.0070.00017.92
8.2.10.0040.00417.91
8.2.00.0020.00517.55
8.1.280.0130.00725.92
8.1.270.0050.00220.32
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00620.64
8.1.230.0070.00421.04
8.1.220.0000.00817.74
8.1.210.0050.00518.89
8.1.200.0060.00317.10
8.1.190.0060.00317.10
8.1.180.0060.00318.10
8.1.170.0030.00520.66
8.1.160.0040.00418.75
8.1.150.0050.00220.23
8.1.140.0000.00719.43
8.1.130.0000.00719.00
8.1.120.0000.00717.36
8.1.110.0050.00317.33
8.1.100.0000.00717.31
8.1.90.0040.00417.22
8.1.80.0040.00417.34
8.1.70.0040.00417.30
8.1.60.0000.00817.43
8.1.50.0000.00817.36
8.1.40.0040.00417.34
8.1.30.0030.00517.42
8.1.20.0000.00817.50
8.1.10.0040.00417.42
8.1.00.0030.00517.38
8.0.300.0040.00419.95
8.0.290.0070.00016.63
8.0.280.0000.00718.43
8.0.270.0070.00017.05
8.0.260.0000.00617.11
8.0.250.0030.00316.72
8.0.240.0030.00716.70
8.0.230.0070.00016.82
8.0.220.0040.00416.75
8.0.210.0030.00516.71
8.0.200.0000.00616.85
8.0.190.0000.00716.73
8.0.180.0070.00016.70
8.0.170.0000.00716.77
8.0.160.0000.00816.66
8.0.150.0050.00316.75
8.0.140.0000.00716.66
8.0.130.0030.00313.41
8.0.120.0000.00716.62
8.0.110.0040.00416.63
8.0.100.0000.00716.64
8.0.90.0040.00416.78
8.0.80.0120.00616.75
8.0.70.0070.00016.69
8.0.60.0070.00016.78
8.0.50.0070.00016.81
8.0.30.0110.00617.00
8.0.20.0080.01317.40
8.0.10.0000.00716.84
8.0.00.0100.01316.68
7.4.330.0020.00215.55
7.4.320.0060.00016.34
7.4.300.0060.00016.34
7.4.290.0070.00016.50
7.4.280.0040.00416.45
7.4.270.0000.00716.31
7.4.260.0040.00416.45
7.4.250.0000.00716.42
7.4.240.0000.00816.41
7.4.230.0070.00016.27
7.4.220.0130.00616.46
7.4.210.0040.01116.35
7.4.200.0070.00016.16
7.4.150.0140.00517.40
7.4.140.0140.00917.86
7.4.130.0100.00716.41
7.4.120.0110.00816.42
7.4.110.0110.00816.16
7.4.100.0090.00916.35
7.4.90.0060.01216.39
7.4.80.0070.01018.80
7.4.70.0070.01016.37
7.4.60.0090.00916.30
7.4.50.0080.00816.16
7.4.40.0100.00616.07
7.4.30.0030.01216.37
7.3.330.0040.00413.20
7.3.320.0050.00013.14
7.3.310.0000.00716.02
7.3.300.0000.00615.96
7.3.290.0110.00516.10
7.3.280.0100.00716.13
7.3.270.0030.01517.40
7.3.260.0080.01116.44
7.3.250.0090.00716.28
7.3.240.0170.00316.52
7.3.230.0030.01316.35
7.3.210.0060.00916.16
7.3.200.0160.00616.07
7.3.190.0090.01216.13
7.3.180.0030.01716.42
7.3.170.0100.00616.45
7.3.160.0110.00916.23
7.2.330.0120.00616.29
7.2.320.0030.01416.20
7.2.310.0060.01116.41
7.2.300.0100.01416.48
7.2.290.0000.01716.23
7.1.00.0120.05722.43
7.0.140.0070.05821.99
7.0.130.0080.06222.10
7.0.120.0120.05522.11
7.0.110.0170.05221.98
7.0.100.0070.07522.07
7.0.90.0130.05722.16
7.0.80.0100.06722.06
7.0.70.0100.06322.15
7.0.60.0130.05322.08
7.0.50.0070.05822.07
7.0.40.0120.06022.09
7.0.30.0070.06222.05
7.0.20.0170.06222.00
7.0.10.0120.05822.03
7.0.00.0080.06022.07
5.6.290.0150.05020.87
5.6.280.0170.05221.02
5.6.270.0200.05520.98
5.6.260.0150.05021.01
5.6.250.0100.07220.86
5.6.240.0120.05720.85
5.6.230.0200.06821.04
5.6.220.0130.05320.83
5.6.210.0050.06220.97
5.6.200.0150.06521.06
5.6.190.0120.05720.94
5.6.180.0030.07020.98
5.6.170.0150.06220.93
5.6.160.0080.07020.97
5.6.150.0100.05720.94
5.6.140.0100.06820.86
5.6.130.0120.05520.91
5.6.120.0130.05720.86
5.6.110.0070.06020.94
5.6.100.0100.05720.87
5.6.90.0050.06220.88
5.6.80.0030.06020.38
5.6.70.0100.05820.31
5.6.60.0170.05320.32
5.6.50.0070.06020.41
5.6.40.0100.05320.38
5.6.30.0120.05320.28
5.6.20.0070.05820.32
5.6.10.0080.05720.40
5.6.00.0130.05020.09

preferences:
26.26 ms | 400 KiB | 5 Q