3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = [1,2,3]; $c = [4,5,6]; $a = [...$b, ...$c]; var_dump($a);

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)
8.3.70.0120.00316.58
8.3.60.0070.01018.30
8.3.50.0090.00617.75
8.3.40.0120.00621.70
8.3.30.0120.00318.89
8.3.20.0000.00724.18
8.3.10.0080.00024.66
8.3.00.0000.00826.16
8.2.180.0160.00725.92
8.2.170.0090.00618.64
8.2.160.0060.00922.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0020.00526.16
8.2.110.0070.00319.39
8.2.100.0000.01317.91
8.2.90.0000.00817.75
8.2.80.0030.00618.79
8.2.70.0040.00417.63
8.2.60.0080.00018.04
8.2.50.0030.00618.07
8.2.40.0060.00317.80
8.2.30.0040.00417.56
8.2.20.0070.00018.09
8.2.10.0070.00019.29
8.2.00.0030.00319.23
8.1.280.0130.00325.92
8.1.270.0000.00923.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.29
8.1.230.0000.01117.77
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0050.00317.23
8.1.180.0050.00319.01
8.1.170.0040.00418.96
8.1.160.0000.00719.00
8.1.150.0000.00718.67
8.1.140.0060.00317.40
8.1.130.0000.00718.80
8.1.120.0030.00317.46
8.1.110.0040.00417.33
8.1.100.0030.00517.48
8.1.90.0000.00717.39
8.1.80.0070.00017.46
8.1.70.0030.00517.35
8.1.60.0040.00417.39
8.1.50.0040.00417.38
8.1.40.0040.00417.44
8.1.30.0050.00317.56
8.1.20.0090.00017.47
8.1.10.0050.00217.47
8.1.00.0030.00617.34
8.0.300.0000.00718.77
8.0.290.0050.00316.63
8.0.280.0030.00318.31
8.0.270.0030.00516.85
8.0.260.0030.00318.63
8.0.250.0030.00316.83
8.0.240.0030.00316.92
8.0.230.0040.00416.94
8.0.220.0000.00716.89
8.0.210.0000.00616.87
8.0.200.0060.00016.98
8.0.190.0030.00316.89
8.0.180.0070.00016.82
8.0.170.0030.00616.95
8.0.160.0030.00516.89
8.0.150.0060.00316.81
8.0.140.0000.00716.73
8.0.130.0030.00313.38
8.0.120.0000.00816.79
8.0.110.0080.00016.91
8.0.100.0000.00816.77
8.0.90.0000.00716.75
8.0.80.0050.00316.88
8.0.70.0000.00716.86
8.0.60.0020.00516.93
8.0.50.0000.00716.68
8.0.30.0040.00416.90
8.0.20.0090.00016.94
8.0.10.0050.00316.91
8.0.00.0040.00416.92
7.4.330.0050.00015.55
7.4.320.0060.00016.64
7.4.300.0000.00616.59
7.4.290.0050.00316.45
7.4.280.0040.00416.47
7.4.270.0000.00816.56
7.4.260.0060.00013.32
7.4.250.0040.00416.48
7.4.240.0040.00416.51
7.4.230.0030.00616.58
7.4.220.0040.00416.62
7.4.210.0000.00716.69
7.4.200.0040.00416.34
7.4.190.0000.00716.45
7.4.180.0020.00516.75
7.4.160.0020.00516.58
7.4.150.0030.00316.62
7.4.140.0000.00716.13
7.4.130.0000.00716.20
7.4.120.0000.00716.27
7.4.110.0070.00016.44
7.4.100.0000.00716.48
7.4.90.0000.00716.51
7.4.80.0080.00016.38
7.4.70.0030.00316.55
7.4.60.0070.00016.14
7.4.50.0000.00716.34
7.4.40.0070.00016.33
7.4.30.0080.00016.42
7.4.20.0030.00316.49
7.4.10.0000.00716.19
7.4.00.0050.00216.19
7.3.330.0000.00715.99
7.3.320.0050.00013.11
7.3.310.0000.00716.02
7.3.300.0000.00716.24
7.3.290.0040.00416.07
7.3.280.0040.00416.16
7.3.270.0070.00016.12
7.3.260.0060.00016.23
7.3.250.0050.00216.00
7.3.240.0030.00316.16
7.3.230.0070.00016.16
7.3.220.0070.00015.96
7.3.210.0070.00016.17
7.3.200.0000.00716.09
7.3.190.0030.00316.02
7.3.180.0030.00316.09
7.3.170.0040.00415.94
7.3.160.0050.00216.02
7.3.150.0030.00316.13
7.3.140.0070.00016.11
7.3.130.0000.00716.00
7.3.120.0030.00316.04
7.3.110.0060.00016.04
7.3.100.0000.00716.04
7.3.90.0030.00316.20
7.3.80.0040.00415.95
7.3.70.0070.00016.19
7.3.60.0070.00016.25
7.3.50.0040.00416.17
7.3.40.0020.00516.26
7.3.30.0000.00716.25
7.3.20.0060.00616.14
7.3.10.0060.01016.18
7.3.00.0050.00316.16

preferences:
98.1 ms | 401 KiB | 5 Q