3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a', 'b', 'c']; $bucket= array_merge($a, $a); print_r($bucket);

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)
8.3.60.0100.00618.05
8.3.50.0070.00716.18
8.3.40.0120.00318.57
8.3.30.0040.01118.59
8.3.20.0050.00220.16
8.3.10.0060.00321.71
8.3.00.0080.00019.56
8.2.180.0030.01016.50
8.2.170.0150.00422.96
8.2.160.0120.00319.03
8.2.150.0060.00324.18
8.2.140.0100.00024.66
8.2.130.0000.00719.21
8.2.120.0080.00026.35
8.2.110.0100.01020.41
8.2.100.0060.00617.91
8.2.90.0050.00319.27
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0040.00417.80
8.2.50.0030.00518.10
8.2.40.0040.00420.65
8.2.30.0040.00419.26
8.2.20.0040.00418.01
8.2.10.0040.00417.96
8.2.00.0000.00718.06
8.1.280.0080.00825.92
8.1.270.0080.00023.96
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0070.00320.74
8.1.230.0040.00719.10
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0080.00017.11
8.1.180.0000.00718.10
8.1.170.0080.00018.50
8.1.160.0070.00018.99
8.1.150.0060.00318.75
8.1.140.0000.00719.39
8.1.130.0000.00818.87
8.1.120.0030.00617.43
8.1.110.0030.00517.39
8.1.100.0030.00617.43
8.1.90.0000.00717.40
8.1.80.0040.00417.37
8.1.70.0040.00417.41
8.1.60.0040.00417.52
8.1.50.0030.00517.42
8.1.40.0080.00017.46
8.1.30.0050.00317.58
8.1.20.0000.00717.53
8.1.10.0040.00417.49
8.1.00.0040.00417.36
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0000.00718.46
8.0.270.0000.00717.19
8.0.260.0000.00716.80
8.0.250.0060.00016.93
8.0.240.0060.00316.75
8.0.230.0030.00516.92
8.0.220.0070.00016.85
8.0.210.0000.00816.79
8.0.200.0040.00416.86
8.0.190.0030.00616.90
8.0.180.0000.00716.86
8.0.170.0030.00316.89
8.0.160.0080.00016.86
8.0.150.0000.00716.67
8.0.140.0050.00316.85
8.0.130.0030.00313.26
8.0.120.0040.00416.82
8.0.110.0040.00416.75
8.0.100.0020.00516.89
8.0.90.0000.00716.86
8.0.80.0030.01516.71
8.0.70.0040.00416.78
8.0.60.0040.00416.62
8.0.50.0040.00416.70
8.0.30.0090.00917.00
8.0.20.0120.00917.40
8.0.10.0050.00216.91
8.0.00.0090.00916.76
7.4.330.0030.00315.55
7.4.320.0000.00616.34
7.4.300.0000.00616.53
7.4.290.0000.00716.55
7.4.280.0040.00416.42
7.4.270.0040.00416.43
7.4.260.0000.00716.39
7.4.250.0050.00216.40
7.4.240.0080.00016.55
7.4.230.0000.00716.37
7.4.220.0030.01616.43
7.4.210.0150.00616.55
7.4.200.0030.00316.34
7.4.160.0050.01316.51
7.4.150.0150.01117.40
7.4.140.0060.01117.86
7.4.130.0040.01316.44
7.4.120.0090.01016.33
7.4.110.0130.00316.38
7.4.100.0130.00716.32
7.4.90.0130.00316.43
7.4.80.0110.00719.39
7.4.70.0060.01016.39
7.4.60.0120.00316.58
7.4.50.0050.01016.37
7.4.40.0060.01516.47
7.4.30.0100.01016.45
7.4.00.0070.01014.67
7.3.330.0000.00512.88
7.3.320.0030.00313.07
7.3.310.0030.00316.13
7.3.300.0060.00016.10
7.3.290.0050.01016.22
7.3.280.0090.00516.14
7.3.270.0150.00317.40
7.3.260.0120.00716.14
7.3.250.0050.01416.31
7.3.240.0130.00616.26
7.3.230.0040.01416.33
7.3.210.0100.00616.18
7.3.200.0100.01016.49
7.3.190.0030.01216.09
7.3.180.0130.00916.54
7.3.170.0030.01216.09
7.3.160.0100.00716.01
7.2.330.0120.00616.57
7.2.320.0040.01316.60
7.2.310.0090.00816.36
7.2.300.0100.00716.47
7.2.290.0090.00916.40
7.2.60.0060.00616.80
7.2.00.0070.00718.98
7.1.200.0070.00315.72
7.1.100.0080.00317.88
7.1.70.0090.00617.04
7.1.60.0280.01635.11
7.1.50.0310.01234.63
7.1.40.0310.01234.22
7.1.30.0310.01434.42
7.1.20.0230.01334.54
7.1.10.0060.01916.30
7.1.00.0030.01716.56
7.0.200.0090.00916.76
7.0.190.0060.01216.77
7.0.180.0100.01016.09
7.0.170.0030.01716.13
7.0.160.0070.01016.39
7.0.150.0070.01315.91
7.0.140.0110.00916.14
7.0.130.0070.01416.48
7.0.120.0070.01316.42
7.0.110.0140.00716.31
7.0.100.0150.00616.12
7.0.90.0120.00916.20
7.0.80.0060.01616.35
7.0.70.0030.01716.20
7.0.60.0030.01316.23
7.0.50.0900.01214.41
7.0.40.0120.00916.52
7.0.30.0070.01416.43
7.0.20.0000.02016.47
7.0.10.0730.01314.53
7.0.00.0870.01014.59

preferences:
29.06 ms | 401 KiB | 5 Q