3v4l.org

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

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)
8.3.60.0120.00318.09
8.3.50.0130.00616.23
8.3.40.0000.01518.46
8.3.30.0040.01118.59
8.3.20.0040.00419.03
8.3.10.0040.00420.79
8.3.00.0070.00023.51
8.2.180.0110.00716.75
8.2.170.0110.00722.96
8.2.160.0110.00419.14
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00220.97
8.2.120.0040.00426.35
8.2.110.0060.00322.00
8.2.100.0000.01217.72
8.2.90.0040.00417.63
8.2.80.0000.00918.66
8.2.70.0050.00317.92
8.2.60.0000.00818.09
8.2.50.0030.00618.10
8.2.40.0040.00419.24
8.2.30.0040.00419.43
8.2.20.0070.00217.92
8.2.10.0000.00717.96
8.2.00.0030.00319.35
8.1.280.0150.00325.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.79
8.1.230.0040.00720.87
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0030.00518.88
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0000.00718.72
8.1.150.0080.00018.87
8.1.140.0050.00217.55
8.1.130.0030.00318.97
8.1.120.0040.00417.47
8.1.110.0000.00717.47
8.1.100.0040.00417.43
8.1.90.0040.00417.42
8.1.80.0090.00017.32
8.1.70.0030.00517.38
8.1.60.0000.00817.40
8.1.50.0000.00717.34
8.1.40.0060.00317.32
8.1.30.0000.00817.57
8.1.20.0040.00417.52
8.1.10.0080.00017.31
8.1.00.0040.00417.31
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0000.00818.44
8.0.270.0040.00416.75
8.0.260.0000.00817.20
8.0.250.0040.00416.90
8.0.240.0050.00316.75
8.0.230.0030.00316.88
8.0.220.0040.00416.76
8.0.210.0080.00016.86
8.0.200.0060.00016.89
8.0.190.0060.00316.89
8.0.180.0040.00416.85
8.0.170.0030.00616.73
8.0.160.0040.00416.83
8.0.150.0080.00016.80
8.0.140.0000.00716.71
8.0.130.0030.00313.26
8.0.120.0000.00716.79
8.0.110.0050.00316.78
8.0.100.0000.00716.82
8.0.90.0070.00016.71
8.0.80.0040.01116.88
8.0.70.0000.00716.89
8.0.60.0050.00316.66
8.0.50.0000.00816.89
8.0.30.0120.00616.86
8.0.20.0100.00917.40
8.0.10.0000.00717.01
8.0.00.0080.01116.62
7.4.330.0040.00015.55
7.4.320.0000.00616.51
7.4.300.0000.00616.41
7.4.290.0080.00216.43
7.4.280.0040.00316.45
7.4.270.0000.00716.43
7.4.260.0020.00516.55
7.4.250.0050.00316.49
7.4.240.0000.00916.41
7.4.230.0050.00216.50
7.4.220.0040.00416.43
7.4.210.0060.01116.49
7.4.200.0000.00716.27
7.4.160.0080.01016.39
7.4.140.0070.01217.86
7.4.130.0090.00916.55
7.4.120.0110.00916.36
7.4.110.0030.01416.29
7.4.100.0150.00316.31
7.4.90.0090.00816.54
7.4.80.0080.01519.39
7.4.70.0040.01516.40
7.4.60.0030.01316.34
7.4.50.0060.00916.41
7.4.40.0140.00516.53
7.4.00.0080.00614.72
7.3.330.0000.00513.00
7.3.320.0030.00312.86
7.3.310.0040.00415.96
7.3.300.0000.00716.16
7.3.290.0000.00716.14
7.3.280.0130.00616.12
7.3.260.0110.00616.35
7.3.240.0130.00816.16
7.3.230.0070.01016.29
7.3.210.0000.02116.45
7.3.200.0120.00616.30
7.3.190.0140.00316.29
7.3.180.0060.00916.33
7.3.170.0110.00616.40
7.3.160.0090.00616.27
7.3.120.0060.00914.68
7.3.110.0070.01114.41
7.3.100.0060.01314.38
7.3.90.0040.00814.49
7.3.80.0090.00614.67
7.3.70.0060.00614.48
7.3.60.0080.00414.19
7.3.50.0090.00014.42
7.3.40.0040.01114.34
7.3.30.0070.00714.29
7.3.20.0030.00716.27
7.3.10.0120.00616.48
7.3.00.0030.01016.11
7.2.330.0060.01216.44
7.2.320.0090.00916.30
7.2.310.0130.01016.42
7.2.300.0120.00416.23
7.2.290.0150.00316.61
7.2.250.0070.01114.54
7.2.240.0070.01014.65
7.2.230.0000.01414.48
7.2.220.0070.01114.63
7.2.210.0120.00314.61
7.2.200.0030.01014.71
7.2.190.0000.01314.32
7.2.180.0100.00614.59
7.2.170.0030.01014.39
7.2.160.0090.00314.63
7.2.150.0070.00716.48
7.2.140.0060.01016.37
7.2.130.0100.00616.68
7.2.120.0070.00716.41
7.2.110.0030.01016.14
7.2.100.0070.00716.34
7.2.90.0030.01016.33
7.2.80.0070.00716.55
7.2.70.0550.00815.49
7.2.60.0470.00615.33
7.2.50.0410.00715.35
7.2.40.0420.00715.18
7.2.30.0370.00615.20
7.2.20.0370.00615.32
7.2.10.0370.00715.38
7.2.00.0520.01015.19
7.1.330.0030.01015.38
7.1.320.0060.00915.59
7.1.310.0030.01015.73
7.1.300.0070.00715.56
7.1.290.0070.00715.76
7.1.280.0030.00915.13
7.1.270.0040.00715.34
7.1.260.0040.00415.63
7.1.250.0040.00715.59
7.1.240.0000.01115.48
7.1.230.0040.00815.41
7.1.220.0030.00915.41
7.1.210.0000.01015.44
7.1.200.0090.00615.54
7.1.190.0070.00415.75
7.1.180.0070.00415.52
7.1.170.0360.00814.20
7.1.160.0470.01014.09
7.1.150.0420.00614.25
7.1.140.0380.00414.21
7.1.130.0420.00314.29
7.1.120.0440.01114.13
7.1.110.0360.01114.24
7.1.100.0490.00814.33
7.1.90.0780.00614.15
7.1.80.0690.00714.25
7.1.70.0640.00814.05
7.1.60.0650.01226.22
7.1.50.1050.00826.12
7.1.40.1030.00626.34
7.1.30.0380.01126.14
7.1.20.0410.01326.17
7.1.10.0700.00914.16
7.1.00.0460.00514.09
7.0.330.0040.00815.20
7.0.320.0080.00814.77
7.0.310.0090.00915.20
7.0.300.0070.00715.10
7.0.290.0090.00314.90
7.0.280.0030.00914.80
7.0.270.0110.00415.07
7.0.260.0090.00315.10
7.0.250.0030.01315.11
7.0.240.0090.00614.94
7.0.230.0120.00315.22
7.0.220.0080.00415.23
7.0.210.0070.00715.01
7.0.200.0040.00415.18
7.0.190.0060.00315.22
7.0.180.0040.00715.13
7.0.170.0030.00715.14
7.0.160.0000.00814.90
7.0.150.0090.00314.66
7.0.140.0100.00615.36
7.0.130.0030.00615.13
7.0.120.0000.01314.98
7.0.110.0050.00514.85
7.0.100.0100.00314.60
7.0.90.0090.00314.98
7.0.80.0060.00315.08
7.0.70.0030.00915.12
7.0.60.0080.00415.13
7.0.50.0000.01215.15
7.0.40.0100.00712.88
7.0.30.0070.00312.94
7.0.20.0030.01013.19
7.0.10.0090.00313.18
7.0.00.0080.00413.32
5.6.400.0030.01014.36
5.6.390.0070.00713.70
5.6.380.0070.00713.93
5.6.370.0000.00814.06
5.6.360.0060.01014.43
5.6.350.0030.00913.95
5.6.340.0070.00714.39
5.6.330.0030.01014.18
5.6.320.0040.01114.20
5.6.310.0080.00814.19
5.6.300.0030.01014.10
5.6.290.0100.00013.93
5.6.280.0000.01114.16
5.6.270.0090.00614.20
5.6.260.0100.00713.98
5.6.250.0070.01013.94
5.6.240.0000.01513.92
5.6.230.0030.00914.30
5.6.220.0000.01413.80
5.6.210.0030.01014.22
5.6.200.0060.01214.19
5.6.190.0150.00313.95
5.6.180.0120.00014.01
5.6.170.0030.00713.78
5.6.160.0060.00313.97
5.6.150.0100.00714.21
5.6.140.0000.01513.98
5.6.130.0060.00913.69
5.6.120.0030.01314.48
5.6.110.0100.00313.92
5.6.100.0090.00914.20
5.6.90.0000.01813.78
5.6.80.0000.00913.85
5.6.70.0000.01314.06
5.6.60.0000.01114.12
5.6.50.0060.00613.79
5.6.40.0060.01013.86
5.6.30.0040.00413.91
5.6.20.0110.00413.67
5.6.10.0030.01013.75
5.6.00.0100.00313.78

preferences:
60.04 ms | 401 KiB | 5 Q