3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array_fill(0,100000,'a'); $b = array_fill(0,100000,'b'); array_merge($a, $b);

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)
8.3.60.0160.01022.75
8.3.50.0120.00826.09
8.3.40.0170.00324.54
8.3.30.0100.01024.73
8.3.20.0110.00026.29
8.3.10.0060.00330.73
8.3.00.0030.00727.06
8.2.180.0190.00622.63
8.2.170.0190.00624.82
8.2.160.0060.01326.66
8.2.150.0110.00024.72
8.2.140.0070.00426.39
8.2.130.0060.00623.38
8.2.120.0030.00630.40
8.2.110.0100.00030.25
8.2.100.0090.00624.03
8.2.90.0000.01125.23
8.2.80.0090.00323.63
8.2.70.0040.00823.63
8.2.60.0030.01023.93
8.2.50.0110.00023.75
8.2.40.0040.01125.13
8.2.30.0060.00326.62
8.2.20.0030.01023.68
8.2.10.0070.00424.05
8.2.00.0000.01023.99
8.1.280.0140.00734.02
8.1.270.0100.00737.04
8.1.260.0090.00634.27
8.1.250.0100.00334.04
8.1.240.0030.01235.80
8.1.230.0120.00929.48
8.1.220.0040.00929.79
8.1.210.0100.00329.35
8.1.200.0070.00729.25
8.1.190.0070.00729.77
8.1.180.0070.00729.55
8.1.170.0130.00331.02
8.1.160.0060.00633.95
8.1.150.0130.00030.91
8.1.140.0070.00731.59
8.1.130.0090.00329.71
8.1.120.0090.00929.55
8.1.110.0060.00629.45
8.1.100.0070.00729.55
8.1.90.0100.00329.55
8.1.80.0070.00729.57
8.1.70.0030.00929.60
8.1.60.0070.00729.64
8.1.50.0060.00929.70
8.1.40.0070.00729.58
8.1.30.0070.00729.73
8.1.20.0030.01029.66
8.1.10.0110.00329.49
8.1.00.0120.00629.60
8.0.300.0070.00728.91
8.0.290.0100.00328.88
8.0.280.0030.00930.29
8.0.270.0030.01029.16
8.0.260.0070.00729.17
8.0.250.0090.00328.75
8.0.240.0080.00428.81
8.0.230.0060.00628.99
8.0.220.0090.00328.70
8.0.210.0130.00028.68
8.0.200.0030.01328.92
8.0.190.0070.00728.91
8.0.180.0070.00728.83
8.0.170.0030.01028.93
8.0.160.0060.00628.87
8.0.150.0170.00328.87
8.0.140.0100.00728.72
8.0.130.0110.00025.32
8.0.120.0070.00728.82
8.0.110.0060.00628.78
8.0.100.0060.00628.70
8.0.90.0100.00328.69
8.0.80.0100.01728.80
8.0.70.0100.00328.87
8.0.60.0130.00028.63
8.0.50.0140.00028.85
8.0.30.0200.01228.99
8.0.20.0260.00928.91
8.0.10.0070.00728.80
8.0.00.0280.00628.73
7.4.330.0000.00830.76
7.4.320.0080.00428.52
7.4.300.0080.00428.38
7.4.290.0080.00628.53
7.4.280.0100.00328.33
7.4.270.0070.00728.51
7.4.260.0160.00328.43
7.4.250.0000.01228.48
7.4.240.0070.00628.51
7.4.230.0100.00328.42
7.4.220.0230.01928.47
7.4.210.0170.00828.45
7.4.200.0090.00328.54
7.4.160.0150.01528.56
7.4.150.0170.02728.36
7.4.140.0240.01328.56
7.4.130.0160.01928.44
7.4.120.0200.01328.41
7.4.110.0190.01628.44
7.4.100.0290.01328.34
7.4.90.0130.01928.36
7.4.80.0260.00628.26
7.4.70.0230.00728.47
7.4.60.0160.01628.43
7.4.50.0070.01528.24
7.4.40.0230.00728.58
7.4.30.0160.01628.40
7.4.00.0160.00626.92
7.3.330.0090.00324.98
7.3.320.0180.00025.09
7.3.310.0060.00628.25
7.3.300.0060.00628.02
7.3.290.0130.00028.15
7.3.280.0210.01228.09
7.3.270.0190.01328.42
7.3.260.0190.01028.30
7.3.250.0220.01228.48
7.3.240.0120.02028.13
7.3.230.0150.01528.15
7.3.210.0200.01028.44
7.3.200.0090.02128.09
7.3.190.0170.01428.18
7.3.180.0110.01828.55
7.3.170.0200.01028.22
7.3.160.0140.01828.39
7.2.330.0120.01828.56
7.2.320.0200.02028.36
7.2.310.0180.01228.25
7.2.300.0100.02028.50
7.2.290.0160.01628.63
7.2.00.0360.01035.26
7.1.100.4980.01329.91
7.1.70.0100.00733.07
7.1.60.0130.01632.95
7.1.50.0370.01732.83
7.1.00.0000.08738.24
7.0.200.0000.01234.61
7.0.60.0170.06733.71
7.0.50.0130.08731.72
7.0.40.0100.09733.78
7.0.30.0500.05333.80
7.0.20.0530.09333.85
7.0.10.0100.07733.85
7.0.00.0130.09333.68
5.6.280.0130.09358.97
5.6.210.0270.08758.61
5.6.200.0300.11055.87
5.6.190.0100.11358.11
5.6.180.0300.05758.41
5.6.170.0270.06758.25
5.6.160.0130.12358.30
5.6.150.0130.06356.11
5.6.140.0230.10756.02
5.6.130.0170.10756.00
5.6.120.0200.11059.07
5.6.110.0100.06758.92
5.6.100.0200.11358.86
5.6.90.0370.10059.02
5.6.80.0200.07058.48
5.5.350.0370.11358.45
5.5.340.0230.11355.92
5.5.330.0330.10058.21
5.5.320.0300.10357.99
5.5.310.0270.06057.91
5.5.300.0230.07755.91
5.5.290.0170.09355.91
5.5.280.0200.10058.75
5.5.270.0270.08758.84
5.5.260.0330.07758.77
5.5.250.0200.10058.72
5.5.240.0370.05758.07

preferences:
58.79 ms | 401 KiB | 5 Q