3v4l.org

run code in 300+ PHP versions simultaneously
<?hh $a = Map{0=>1,1=>2,2=>3}; $b = clone $a; $b[0] = 4; echo $a[0]; echo $b[0];

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)
8.3.60.0140.00016.63
8.3.50.0080.00622.87
8.3.40.0070.01318.59
8.3.30.0000.01418.93
8.3.20.0040.00420.21
8.3.10.0080.00023.53
8.3.00.0080.00019.25
8.2.180.0090.00916.32
8.2.170.0110.00422.96
8.2.160.0100.00320.32
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00021.00
8.2.110.0090.00022.25
8.2.100.0120.00017.72
8.2.90.0070.00019.28
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0080.00017.55
8.2.50.0030.00618.07
8.2.40.0050.00319.66
8.2.30.0070.00017.93
8.2.20.0030.00617.47
8.2.10.0000.00717.98
8.2.00.0030.00517.55
8.1.280.0120.00625.92
8.1.270.0050.00323.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.75
8.1.230.0040.00819.09
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00817.00
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0100.00018.46
8.1.160.0000.00721.93
8.1.150.0080.00018.80
8.1.140.0070.00017.36
8.1.130.0030.00317.75
8.1.120.0090.00017.31
8.1.110.0000.00717.28
8.1.100.0040.00417.31
8.1.90.0050.00517.27
8.1.80.0030.00617.34
8.1.70.0030.00317.25
8.1.60.0000.00817.32
8.1.50.0030.00517.27
8.1.40.0000.00717.39
8.1.30.0000.00817.42
8.1.20.0040.00417.40
8.1.10.0000.00817.41
8.1.00.0000.00717.36
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0030.00318.36
8.0.270.0030.00317.23
8.0.260.0000.00717.14
8.0.250.0030.00316.86
8.0.240.0000.00716.81
8.0.230.0000.00616.81
8.0.220.0000.00616.64
8.0.210.0030.00316.76
8.0.200.0030.00316.85
8.0.190.0000.01016.68
8.0.180.0080.00016.83
8.0.170.0060.00316.83
8.0.160.0040.00416.63
8.0.150.0040.00416.62
8.0.140.0030.00316.61
8.0.130.0060.00013.41
8.0.120.0080.00016.75
8.0.110.0000.00716.66
8.0.100.0000.00716.60
8.0.90.0070.00016.74
8.0.80.0070.01416.79
8.0.70.0000.00816.78
8.0.60.0040.00416.61
8.0.50.0050.00216.74
8.0.30.0090.01317.07
8.0.20.0130.00717.40
8.0.10.0000.00816.92
8.0.00.0070.01116.68
7.4.330.0000.00515.02
7.4.320.0000.00716.29
7.4.300.0060.00016.43
7.4.290.0040.00416.45
7.4.280.0000.00716.44
7.4.270.0040.00416.48
7.4.260.0000.00716.44
7.4.250.0000.00716.41
7.4.240.0020.00516.42
7.4.230.0030.00316.49
7.4.220.0070.01116.30
7.4.210.0110.00316.43
7.4.200.0000.00716.53
7.4.160.0090.00916.25
7.4.150.0080.00817.40
7.4.140.0130.00817.86
7.4.130.0080.00816.34
7.4.120.0070.00916.26
7.4.110.0110.01116.64
7.4.100.0100.00716.23
7.4.90.0170.00316.38
7.4.80.0140.00419.39
7.4.70.0040.01216.38
7.4.60.0100.00716.39
7.4.50.0040.00415.94
7.4.40.0030.01216.29
7.4.30.0130.00316.30
7.3.330.0050.00013.21
7.3.320.0050.00013.09
7.3.310.0070.00016.19
7.3.300.0030.00316.17
7.3.290.0060.00916.13
7.3.280.0120.00516.12
7.3.270.0100.00717.40
7.3.260.0090.01216.27
7.3.250.0090.00816.35
7.3.240.0100.00716.48
7.3.230.0070.01016.39
7.3.210.0120.00616.01
7.3.200.0060.01019.39
7.3.190.0120.00616.35
7.3.180.0130.00316.36
7.3.170.0100.00616.27
7.3.160.0060.01316.41
7.2.330.0120.00616.21
7.2.320.0000.01616.64
7.2.310.0060.00916.43
7.2.300.0120.00316.22
7.2.290.0050.01016.48
5.4.320.0110.05012.45
5.4.310.0080.04912.45
5.4.300.0110.03812.45
5.4.290.0080.03912.45
5.4.280.0040.03812.35
5.4.270.0060.03812.35
5.4.260.0050.04212.34
5.4.250.0060.04912.35
5.4.240.0080.03412.34
5.4.230.0100.04712.34
5.4.220.0060.04612.34
5.4.210.0070.04512.34
5.4.200.0080.04212.34
5.4.190.0050.04512.34
5.4.180.0060.03912.33
5.4.170.0030.03912.35
5.4.160.0080.04412.34
5.4.150.0050.04112.34
5.4.140.0070.04812.02
5.4.130.0100.03912.01
5.4.120.0080.03611.96
5.4.110.0090.03811.96
5.4.100.0090.03611.96
5.4.90.0040.03911.96
5.4.80.0080.03611.96
5.4.70.0080.03411.96
5.4.60.0070.03911.96
5.4.50.0050.03711.96
5.4.40.0060.04011.95
5.4.30.0070.04011.94
5.4.20.0060.03611.95
5.4.10.0030.04011.95
5.4.00.0080.03511.44

preferences:
33.48 ms | 401 KiB | 5 Q