3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $b = [4,5,6]; var_dump(array_merge($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)
8.3.60.0150.00018.05
8.3.50.0070.00922.04
8.3.40.0100.01018.67
8.3.30.0120.00319.07
8.3.20.0120.00422.34
8.3.10.0050.00323.45
8.3.00.0050.00319.04
8.2.180.0140.00718.38
8.2.170.0110.00422.96
8.2.160.0110.00420.35
8.2.150.0000.00724.18
8.2.140.0000.00724.66
8.2.130.0050.00326.16
8.2.120.0060.00320.79
8.2.110.0090.00022.25
8.2.100.0070.00417.59
8.2.90.0000.00817.78
8.2.80.0050.00317.97
8.2.70.0110.00017.63
8.2.60.0000.00717.91
8.2.50.0000.00818.07
8.2.40.0040.00419.97
8.2.30.0030.00718.09
8.2.20.0070.00017.59
8.2.10.0080.00017.88
8.2.00.0040.00417.71
8.1.280.0110.01125.92
8.1.270.0000.00923.85
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.01322.27
8.1.230.0060.00621.10
8.1.220.0030.00617.74
8.1.210.0040.00418.78
8.1.200.0030.00617.22
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0060.00618.59
8.1.160.0030.00622.00
8.1.150.0030.00518.61
8.1.140.0060.00317.29
8.1.130.0070.00017.83
8.1.120.0030.00317.37
8.1.110.0000.00717.37
8.1.100.0040.00417.40
8.1.90.0000.00717.35
8.1.80.0000.00717.26
8.1.70.0030.00317.32
8.1.60.0030.00617.50
8.1.50.0040.00417.41
8.1.40.0000.00817.36
8.1.30.0110.00517.47
8.1.20.0080.00617.52
8.1.10.0100.00317.42
8.1.00.0060.00217.38
8.0.300.0070.00019.94
8.0.290.0040.00416.93
8.0.280.0030.00318.37
8.0.270.0040.00417.18
8.0.260.0030.00317.18
8.0.250.0000.00716.76
8.0.240.0070.00016.87
8.0.230.0000.00816.85
8.0.220.0040.00416.73
8.0.210.0030.00316.68
8.0.200.0000.00716.87
8.0.190.0040.00416.85
8.0.180.0040.00416.77
8.0.170.0000.00716.73
8.0.160.0010.00716.65
8.0.150.0060.00416.77
8.0.140.0080.00416.75
8.0.130.0130.00015.54
8.0.120.0130.00216.78
8.0.110.0100.00616.82
8.0.100.0120.00416.69
8.0.90.0110.00416.70
8.0.80.0100.00816.78
8.0.70.0120.00316.79
8.0.60.0120.00316.77
8.0.50.0130.00216.66
8.0.30.0080.01116.80
8.0.20.0090.01017.12
8.0.10.0100.00516.94
8.0.00.0100.00516.87
7.4.330.0020.00215.00
7.4.320.0000.00616.43
7.4.300.0000.00716.38
7.4.290.0030.00316.57
7.4.280.0040.00316.42
7.4.270.0080.00716.41
7.4.260.0150.00316.42
7.4.250.0160.00016.45
7.4.240.0090.00616.44
7.4.230.0120.00316.49
7.4.220.0130.00616.41
7.4.210.0110.00516.48
7.4.200.0080.00616.42
7.4.190.0100.00616.44
7.4.180.0130.00616.41
7.4.160.0110.00716.50
7.4.150.0130.00616.69
7.4.140.0120.00717.09
7.4.130.0090.00916.36
7.4.120.0100.00816.42
7.4.110.0150.00216.34
7.4.100.0140.00416.44
7.4.90.0110.00616.42
7.4.80.0150.00517.30
7.4.70.0110.00816.33
7.4.60.0120.00716.32
7.4.50.0070.00516.20
7.4.40.0100.00616.27
7.4.30.0100.00616.35
7.4.20.0100.00716.29
7.4.10.0150.00216.29
7.4.00.0100.00715.94
7.3.330.0110.00214.99
7.3.320.0090.00415.17
7.3.310.0080.00616.08
7.3.300.0100.00316.00
7.3.290.0090.00816.11
7.3.280.0120.00516.09
7.3.270.0100.00816.56
7.3.260.0120.00616.34
7.3.250.0130.00616.21
7.3.240.0110.00916.27
7.3.230.0120.00716.21
7.3.220.0160.00216.04
7.3.210.0120.00316.05
7.3.200.0130.00417.19
7.3.190.0100.00616.15
7.3.180.0100.00916.09
7.3.170.0160.00416.18
7.3.160.0110.00716.17
7.3.150.0150.00215.95
7.3.140.0150.00215.99
7.3.130.0140.00116.14
7.3.120.0060.00915.56
7.3.110.0120.00315.91
7.3.100.0090.00415.84
7.3.90.0090.00516.28
7.3.80.0050.00815.97
7.3.70.0130.00216.15
7.3.60.0090.00416.20
7.3.50.0110.00316.20
7.3.40.0100.00416.08
7.3.30.0100.00416.18
7.3.20.0080.00618.12
7.3.10.0090.00817.36
7.3.00.0100.00417.31
7.2.340.0160.00416.09
7.2.330.0110.00816.30
7.2.320.0090.00916.24
7.2.310.0110.00916.21
7.2.300.0090.01016.16
7.2.290.0150.00516.25
7.2.280.0120.00716.11
7.2.270.0160.00216.18
7.2.260.0130.00615.93
7.2.250.0130.00616.06
7.2.240.0130.00416.07
7.2.230.0130.00416.00
7.2.220.0140.00416.09
7.2.210.0130.00516.23
7.2.200.0140.00616.24
7.2.190.0160.00316.28
7.2.180.0140.00516.21
7.2.170.0130.00516.34
7.2.160.0150.00316.25
7.2.150.0130.00718.18
7.2.140.0180.00018.17
7.2.130.0170.00217.70
7.2.120.0130.00317.44
7.2.110.0140.00417.64
7.2.100.0150.00317.44
7.2.90.0140.00517.62
7.2.80.0110.00717.59
7.2.70.0090.00717.68
7.2.60.0130.00417.52
7.2.50.0150.00317.48
7.2.40.0130.00517.54
7.2.30.0130.00417.66
7.2.20.0130.00517.68
7.2.10.0130.00517.57
7.2.00.0150.00417.70
7.1.330.0160.00217.22
7.1.320.0150.00317.35
7.1.310.0110.00717.32
7.1.300.0140.00417.23
7.1.290.0150.00317.25
7.1.280.0120.00617.24
7.1.270.0140.00517.26
7.1.260.0160.00117.10
7.1.250.0120.00416.60
7.1.240.0140.00317.14
7.1.230.0130.00517.27
7.1.220.0140.00417.29
7.1.210.0180.00017.23
7.1.200.0140.00417.33
7.1.190.0130.00617.28
7.1.180.0120.00817.09
7.1.170.0130.00517.17
7.1.160.0110.00717.20
7.1.150.0160.00317.09
7.1.140.0160.00217.24
7.1.130.0170.00117.21
7.1.120.0120.00617.15
7.1.110.0180.00017.08
7.1.100.0140.00417.11
7.1.90.0120.00717.12
7.1.80.0080.01017.24
7.1.70.0120.00517.01
7.1.60.0130.00817.93
7.1.50.0120.00816.97
7.1.40.0120.00617.20
7.1.30.0120.00617.15
7.1.20.0140.00517.09
7.1.10.0160.00217.19
7.1.00.0100.02918.88
7.0.330.0130.00516.99
7.0.320.0150.00316.85
7.0.310.0110.00616.80
7.0.300.0150.00216.81
7.0.290.0130.00416.93
7.0.280.0130.00516.93
7.0.270.0110.00716.83
7.0.260.0120.00616.88
7.0.250.0130.00716.85
7.0.240.0150.00417.17
7.0.230.0160.00217.07
7.0.220.0130.00516.81
7.0.210.0160.00216.93
7.0.200.0080.00616.81
7.0.190.0150.00316.87
7.0.180.0140.00417.02
7.0.170.0130.00416.95
7.0.160.0100.00816.76
7.0.150.0100.00816.93
7.0.140.0110.02818.46
7.0.130.0140.00416.97
7.0.120.0130.00416.90
7.0.110.0100.00816.83
7.0.100.0140.00316.92
7.0.90.0160.00316.82
7.0.80.0140.00416.79
7.0.70.0130.00316.69
7.0.60.0110.02717.81
7.0.50.0100.01917.11
7.0.40.0100.03317.92
7.0.30.0150.02617.97
7.0.20.0190.01917.98
7.0.10.0130.02717.96
7.0.00.0130.02617.90
5.6.400.0120.00515.55
5.6.390.0130.00515.60
5.6.380.0140.00515.48
5.6.370.0120.00615.64
5.6.360.0130.00515.71
5.6.350.0120.00515.57
5.6.340.0100.00715.57
5.6.330.0160.00015.59
5.6.320.0170.00015.57
5.6.310.0130.00415.68
5.6.300.0080.00915.53
5.6.290.0130.00415.69
5.6.280.0110.02517.48
5.6.270.0100.00715.53
5.6.260.0150.00215.51
5.6.250.0110.00615.55
5.6.240.0160.00115.68
5.6.230.0140.00315.83
5.6.220.0170.00015.60
5.6.210.0110.03117.43
5.6.200.0130.02716.54
5.6.190.0120.03017.41
5.6.180.0100.02717.21
5.6.170.0150.01517.38
5.6.160.0140.02817.42
5.6.150.0100.01516.63
5.6.140.0140.02816.53
5.6.130.0090.02216.55
5.6.120.0160.02517.45
5.6.110.0130.02817.50
5.6.100.0170.02717.38
5.6.90.0110.01617.54
5.6.80.0120.02817.22
5.6.70.0070.00915.68
5.6.60.0130.00315.62
5.6.50.0110.00515.64
5.6.40.0090.00715.61
5.6.30.0120.00515.69
5.6.20.0110.00515.56
5.6.10.0110.00615.67
5.6.00.0120.00415.64
5.5.380.0130.00415.68
5.5.370.0130.00315.82
5.5.360.0130.00415.59
5.5.350.0090.03117.09
5.5.340.0110.03016.46
5.5.330.0150.01717.24
5.5.320.0160.01917.06
5.5.310.0170.02417.14
5.5.300.0110.02916.41
5.5.290.0110.02916.31
5.5.280.0110.01717.18
5.5.270.0110.03017.40
5.5.260.0110.02517.38
5.5.250.0140.02717.35
5.5.240.0100.01517.25
5.5.230.0140.00215.63
5.5.220.0120.00415.65
5.5.210.0130.00315.62
5.5.200.0120.00415.70
5.5.190.0150.00315.29
5.5.180.0170.00015.36
5.5.170.0110.00515.45
5.5.160.0160.00015.49
5.5.150.0110.00515.42
5.5.140.0110.00515.41
5.5.130.0150.00215.41
5.5.120.0130.00315.46
5.5.110.0160.00015.40
5.5.100.0100.00615.68
5.5.90.0080.00815.60
5.5.80.0130.00315.62
5.5.70.0150.00115.59
5.5.60.0110.00615.39
5.5.50.0120.00315.51
5.5.40.0110.00515.58
5.5.30.0120.00415.72
5.5.20.0140.00215.57
5.5.10.0120.00315.50
5.5.00.0100.00615.45
5.4.450.0230.02414.78
5.4.440.0210.01814.90
5.4.430.0100.02414.82
5.4.420.0140.02114.88
5.4.410.0090.02614.74
5.4.400.0200.02214.62
5.4.390.0190.02314.62
5.4.380.0130.01814.58
5.4.370.0110.02014.39
5.4.360.0100.02014.50
5.4.350.0090.02214.54
5.4.340.0120.01814.58
5.4.330.0100.00412.42
5.4.320.0080.01612.42
5.4.310.0110.01312.44
5.4.300.0100.01312.45
5.4.290.0090.01512.45
5.4.280.0110.01312.43
5.4.270.0080.01512.48
5.4.260.0100.01412.33
5.4.250.0110.01712.40
5.4.240.0130.02012.49
5.4.230.0100.01712.37
5.4.220.0080.01612.23
5.4.210.0080.01712.28
5.4.200.0110.01312.23
5.4.190.0090.02012.27
5.4.180.0120.01912.26
5.4.170.0100.01912.25
5.4.160.0090.01512.24
5.4.150.0090.01812.27
5.4.140.0100.01412.28
5.4.130.0080.01712.38
5.4.120.0110.01212.21
5.4.110.0120.01112.29
5.4.100.0080.01912.40
5.4.90.0100.01412.22
5.4.80.0110.01812.32
5.4.70.0090.01412.31
5.4.60.0110.01212.26
5.4.50.0090.01312.15
5.4.40.0090.01312.33
5.4.30.0070.01812.27
5.4.20.0090.01412.29
5.4.10.0080.01612.41
5.4.00.0080.02012.02
5.3.290.0090.01912.72
5.3.280.0080.01612.73
5.3.270.0090.01812.59
5.3.260.0090.01712.77
5.3.250.0080.01712.76
5.3.240.0090.02012.67
5.3.230.0080.01712.56
5.3.220.0090.01512.55
5.3.210.0120.01412.64
5.3.200.0100.01412.68
5.3.190.0090.01612.69
5.3.180.0100.01412.75
5.3.170.0080.01612.74
5.3.160.0110.01412.66
5.3.150.0070.02012.72
5.3.140.0070.01812.65
5.3.130.0100.01512.71
5.3.120.0090.01712.83
5.3.110.0080.01712.70
5.3.100.0100.01412.43
5.3.90.0110.01412.56
5.3.80.0090.01712.52
5.3.70.0120.01512.51
5.3.60.0100.01912.45
5.3.50.0120.02012.33
5.3.40.0100.02212.46
5.3.30.0090.02212.44
5.3.20.0090.01512.24
5.3.10.0110.01412.22
5.3.00.0100.02012.21

preferences:
60.03 ms | 401 KiB | 5 Q