3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace ns1; class c1{} namespace ns1\c1; class c11{} namespace main; use ns1\c1; $c1 = new c1(); $c11 = new c1\c11(); function takes_c1(c1 $bar) { var_dump(); } function takes_c11(c1\c11 $bar) { var_dump(); } var_dump(get_class($c1)); // object(ns1\c1)#1 (0) { } var_dump(get_class($c11)); // object(ns1\c1\c11)#2 (0) { } takes_c1($c1); takes_c11($c11);

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)
8.3.60.0140.00716.75
8.3.50.0070.00716.39
8.3.40.0090.00618.71
8.3.30.0140.00718.63
8.3.20.0000.00821.73
8.3.10.0070.00023.42
8.3.00.0040.00419.79
8.2.180.0040.01116.75
8.2.170.0040.01222.96
8.2.160.0110.00320.94
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0000.00820.38
8.2.120.0040.01126.35
8.2.110.0080.00322.30
8.2.100.0000.01118.03
8.2.90.0030.00619.27
8.2.80.0030.00517.97
8.2.70.0080.00017.50
8.2.60.0000.00817.90
8.2.50.0040.00418.10
8.2.40.0000.00820.58
8.2.30.0070.00021.03
8.2.20.0000.00717.87
8.2.10.0020.00517.96
8.2.00.0000.00718.06
8.1.280.0120.00925.92
8.1.270.0040.00423.66
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00322.11
8.1.230.0040.00817.64
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0090.00017.36
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0040.00418.59
8.1.160.0070.00018.87
8.1.150.0050.00320.31
8.1.140.0080.00019.55
8.1.130.0070.00020.61
8.1.120.0000.00817.34
8.1.110.0050.00317.43
8.1.100.0030.00517.30
8.1.90.0040.00417.30
8.1.80.0000.00717.34
8.1.70.0070.00017.33
8.1.60.0040.00417.59
8.1.50.0030.00517.55
8.1.40.0050.00317.51
8.1.30.0030.00617.61
8.1.20.0000.00817.65
8.1.10.0000.00817.59
8.1.00.0000.00817.52
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.36
8.0.270.0000.00817.30
8.0.260.0030.00316.83
8.0.250.0030.00316.93
8.0.240.0040.00416.93
8.0.230.0030.00316.95
8.0.220.0040.00416.77
8.0.210.0050.00216.92
8.0.200.0040.00416.96
8.0.190.0080.00017.04
8.0.180.0050.00216.91
8.0.170.0070.00016.85
8.0.160.0050.00316.87
8.0.150.0070.00016.79
8.0.140.0030.00516.85
8.0.130.0030.00313.40
8.0.120.0050.00216.79
8.0.110.0050.00216.72
8.0.100.0020.00516.85
8.0.90.0080.00016.85
8.0.80.0110.00616.84
8.0.70.0060.00316.88
8.0.60.0030.00316.75
8.0.50.0050.00216.92
8.0.30.0100.00716.91
8.0.20.0070.01117.40
8.0.10.0040.00416.97
8.0.00.0100.00716.86
7.4.330.0000.00515.55
7.4.320.0030.00316.42
7.4.300.0000.00616.41
7.4.290.0040.00516.50
7.4.280.0070.00016.59
7.4.270.0070.00016.40
7.4.260.0040.00416.50
7.4.250.0040.00416.41
7.4.240.0080.00016.65
7.4.230.0000.00716.69
7.4.220.0090.00916.51
7.4.210.0070.00716.67
7.4.200.0000.00716.41
7.4.160.0110.00516.50
7.4.150.0070.01017.40
7.4.140.0080.01117.86
7.4.130.0060.01616.45
7.4.120.0160.00816.41
7.4.110.0070.01016.27
7.4.100.0080.01216.44
7.4.90.0040.01816.50
7.4.80.0070.01019.39
7.4.70.0080.00816.52
7.4.60.0060.01216.69
7.4.50.0100.00616.34
7.4.40.0080.00816.30
7.4.30.0090.00916.28
7.4.00.0000.01114.68
7.3.330.0030.00313.28
7.3.320.0000.00513.13
7.3.310.0040.00416.26
7.3.300.0000.00616.16
7.3.290.0070.01116.29
7.3.280.0100.00816.31
7.3.270.0100.00817.40
7.3.260.0090.00716.35
7.3.250.0110.01016.35
7.3.240.0060.01016.49
7.3.230.0170.00716.48
7.3.210.0070.01116.54
7.3.200.0080.00816.64
7.3.190.0070.01716.43
7.3.180.0060.01016.29
7.3.170.0060.01016.32
7.3.160.0100.00616.38
7.2.330.0070.01116.25
7.2.320.0130.01016.61
7.2.310.0070.01116.40
7.2.300.0110.00616.60
7.2.290.0070.01316.63
7.2.60.0040.00816.46
7.2.00.0060.00919.10
7.1.200.0000.01415.53
7.1.70.0110.00017.16
7.1.60.0930.01032.88
7.1.50.0870.01333.01
7.1.40.0830.01032.57
7.1.30.1030.00732.46
7.1.20.1270.01332.66
7.1.10.0770.00714.71
7.1.00.0670.01314.88
7.0.200.0800.01314.64
7.0.190.0600.01014.97
7.0.180.0700.01014.20
7.0.170.0600.01014.38
7.0.160.0700.01314.18
7.0.150.0770.01014.65
7.0.140.0470.01314.58
7.0.130.0700.00714.70
7.0.120.0470.01314.41
7.0.110.0670.00714.42
7.0.100.0500.01014.54
7.0.90.0870.01314.34
7.0.80.0770.01314.38
7.0.70.0700.00714.43
7.0.60.0630.01314.28
7.0.50.0830.01314.41
7.0.40.0570.01314.49
7.0.30.0670.00714.50
7.0.20.0500.01014.26
7.0.10.0770.01314.38
7.0.00.0500.01314.26

preferences:
26.92 ms | 400 KiB | 5 Q