3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $b = ["item_data"=>[1,2,3]]; $c = array_merge($a,$b); var_dump($c);

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)
8.3.60.0150.00016.75
8.3.50.0120.00322.94
8.3.40.0070.00718.51
8.3.30.0100.00318.82
8.3.20.0040.00420.21
8.3.10.0040.00423.66
8.3.00.0060.00919.36
8.2.180.0090.00616.48
8.2.170.0070.00722.96
8.2.160.0090.01220.39
8.2.150.0020.00524.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00421.05
8.2.110.0090.00022.13
8.2.100.0080.00418.03
8.2.90.0000.00819.22
8.2.80.0090.00017.97
8.2.70.0060.00317.38
8.2.60.0000.00817.80
8.2.50.0030.00718.07
8.2.40.0050.00319.94
8.2.30.0020.00518.09
8.2.20.0040.00417.66
8.2.10.0040.00417.97
8.2.00.0040.00417.54
8.1.280.0120.00925.92
8.1.270.0000.00823.72
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.98
8.1.230.0070.00419.09
8.1.220.0060.00317.79
8.1.210.0040.00418.77
8.1.200.0040.00417.25
8.1.190.0000.00917.10
8.1.180.0000.00718.10
8.1.170.0090.00318.65
8.1.160.0000.00721.86
8.1.150.0040.00418.72
8.1.140.0070.00017.29
8.1.130.0030.00317.87
8.1.120.0030.00317.42
8.1.110.0000.00817.43
8.1.100.0070.00017.31
8.1.90.0040.00417.37
8.1.80.0040.00417.29
8.1.70.0040.00417.32
8.1.60.0040.00417.47
8.1.50.0030.00617.43
8.1.40.0000.00717.30
8.1.30.0040.00417.50
8.1.20.0000.00817.46
8.1.10.0000.00817.30
8.1.00.0070.00417.42
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.25
8.0.270.0000.00717.18
8.0.260.0040.00417.19
8.0.250.0000.00716.89
8.0.240.0030.00316.89
8.0.230.0030.00316.84
8.0.220.0030.00316.88
8.0.210.0040.00416.83
8.0.200.0030.00316.78
8.0.190.0040.00416.75
8.0.180.0030.00616.90
8.0.170.0040.00416.81
8.0.160.0000.00716.75
8.0.150.0070.00016.77
8.0.140.0040.00416.75
8.0.130.0000.00513.23
8.0.120.0050.00216.79
8.0.110.0040.00416.72
8.0.100.0050.00216.81
8.0.90.0000.00716.64
8.0.80.0060.01216.88
8.0.70.0000.00716.79
8.0.60.0080.00016.69
8.0.50.0040.00416.86
8.0.30.0090.01117.04
8.0.20.0110.01117.40
8.0.10.0020.00516.74
8.0.00.0110.00716.67
7.4.330.0030.00315.09
7.4.320.0000.00616.44
7.4.300.0000.00716.44
7.4.290.0000.00716.36
7.4.280.0080.00016.42
7.4.270.0030.00316.44
7.4.260.0030.00316.55
7.4.250.0040.00416.40
7.4.240.0040.00416.45
7.4.230.0030.00316.39
7.4.220.0060.01216.57
7.4.210.0140.00016.64
7.4.200.0000.00716.27
7.4.160.0140.00316.65
7.4.150.0150.00917.40
7.4.140.0110.01017.86
7.4.130.0090.00816.44
7.4.120.0120.00716.39
7.4.110.0190.00616.55
7.4.100.0100.00716.29
7.4.90.0090.00816.30
7.4.80.0080.01119.39
7.4.70.0130.00516.32
7.4.60.0090.00716.40
7.4.50.0000.00816.37
7.4.40.0130.01116.52
7.4.30.0030.01316.45
7.4.10.0100.01016.27
7.4.00.0080.01015.29
7.3.330.0030.00313.11
7.3.320.0000.00512.98
7.3.310.0030.00316.27
7.3.300.0030.00316.14
7.3.290.0060.00916.16
7.3.280.0050.01316.11
7.3.270.0170.00617.40
7.3.260.0080.01816.16
7.3.250.0110.00616.40
7.3.240.0090.00916.04
7.3.230.0030.01416.39
7.3.210.0100.00716.19
7.3.200.0090.01319.39
7.3.190.0140.00616.53
7.3.180.0120.00416.44
7.3.170.0070.01016.36
7.3.160.0040.01116.13
7.3.130.0030.01616.46
7.3.120.0080.01015.08
7.3.110.0080.00915.10
7.3.100.0100.00514.95
7.3.90.0060.00815.07
7.3.80.0050.00914.92
7.3.70.0050.00915.03
7.3.60.0040.00815.05
7.3.50.0070.00714.92
7.3.40.0060.01015.12
7.3.30.0070.00815.05
7.3.20.0040.01016.86
7.3.10.0060.01016.88
7.3.00.0060.00816.76
7.2.330.0160.00416.53
7.2.320.0130.00316.38
7.2.310.0080.00816.61
7.2.300.0130.00316.25
7.2.290.0120.00916.36
7.2.260.0070.01116.47
7.2.250.0070.01315.50
7.2.240.0040.01115.36
7.2.230.0070.00715.37
7.2.220.0040.01215.20
7.2.210.0080.00715.29
7.2.200.0090.00815.32
7.2.190.0060.00915.35
7.2.180.0080.00715.24
7.2.170.0060.01015.28
7.2.160.0070.00815.46
7.2.150.0080.01017.41
7.2.140.0030.00917.22
7.2.130.0040.01017.28
7.2.120.0070.00817.20
7.2.110.0050.00817.30
7.2.100.0080.00717.27
7.2.90.0040.01017.24
7.2.80.0060.00917.33
7.2.70.0060.00617.29
7.2.60.0060.00817.12
7.2.50.0030.00917.26
7.2.40.0080.00517.28
7.2.30.0030.01217.35
7.2.20.0070.00717.10
7.2.10.0070.00517.26
7.2.00.0040.01117.65
7.1.330.0060.00816.00
7.1.320.0050.00816.08
7.1.310.0070.00716.09
7.1.300.0030.01316.02
7.1.290.0060.00915.96
7.1.280.0060.00716.12
7.1.270.0070.00716.07
7.1.260.0080.00616.10
7.1.250.0060.00516.22
7.1.240.0040.01116.53
7.1.230.0040.00616.46
7.1.220.0050.00716.48
7.1.210.0030.01116.42
7.1.200.0060.00516.06
7.1.190.0050.00716.42
7.1.180.0030.01116.50
7.1.170.0030.00916.32
7.1.160.0030.00916.52
7.1.150.0060.00816.45
7.1.140.0030.01016.50
7.1.130.0030.00816.60
7.1.120.0040.01316.52
7.1.110.0060.00516.48
7.1.100.0060.00817.02
7.1.90.0000.01516.40
7.1.80.0040.01216.40
7.1.70.0050.00716.68
7.1.60.0090.00817.46
7.1.50.0040.01116.63
7.1.40.0050.00916.45
7.1.30.0050.00816.32
7.1.20.0070.01016.54
7.1.10.0080.00516.38
7.1.00.0070.02718.29
7.0.330.0050.01216.10
7.0.320.0030.00916.04
7.0.310.0060.01016.19
7.0.300.0020.01216.06
7.0.290.0070.00616.23
7.0.280.0050.01216.17
7.0.270.0090.00516.10
7.0.260.0110.00416.11
7.0.250.0050.00516.23
7.0.240.0050.00616.04
7.0.230.0100.00616.19
7.0.220.0080.00816.21
7.0.210.0050.00816.04
7.0.200.0070.00616.26
7.0.190.0090.00416.12
7.0.180.0070.00716.13
7.0.170.0050.00916.14
7.0.160.0050.01116.00
7.0.150.0050.01016.03
7.0.140.0080.02718.16
7.0.130.0050.00816.10
7.0.120.0060.00715.95
7.0.110.0090.00416.07
7.0.100.0030.00916.13
7.0.90.0050.00715.90
7.0.80.0050.01216.13
7.0.70.0050.01115.88
7.0.60.0080.03017.32
7.0.50.0030.03116.70
7.0.40.0080.03216.67
7.0.30.0190.02016.47
7.0.20.0180.02816.59
7.0.10.0080.01916.50
7.0.00.0080.01816.50
5.6.400.0110.00515.13
5.6.390.0040.00915.28
5.6.380.0070.00515.15
5.6.370.0030.00615.16
5.6.360.0020.01115.05
5.6.350.0060.00715.20
5.6.340.0060.00815.09
5.6.330.0050.01215.14
5.6.320.0060.00815.12
5.6.310.0020.01315.26
5.6.300.0060.00715.19
5.6.290.0020.01015.19
5.6.280.0050.02917.14
5.6.270.0040.01015.21
5.6.260.0050.00815.20
5.6.250.0060.00815.12
5.6.240.0060.00915.19
5.6.230.0070.00815.24
5.6.220.0040.00915.24
5.6.210.0100.03416.99
5.6.200.0050.03716.22
5.6.190.0060.02616.95
5.6.180.1330.02216.96
5.6.170.0150.03216.94
5.6.160.0130.03116.98
5.6.150.0080.02916.21
5.6.140.0050.02716.21
5.6.130.0050.03016.20
5.6.120.0080.02817.11
5.6.110.0110.02817.12
5.6.100.0100.03017.20
5.6.90.0110.02717.14
5.6.80.0110.03016.88
5.6.70.1170.01416.86
5.6.60.0050.00715.17
5.6.50.0080.00515.22
5.6.40.0050.00715.20
5.6.30.0090.00815.16
5.6.20.0030.01215.07
5.6.10.0070.00715.04
5.6.00.0050.01015.23
5.5.380.0060.01515.19
5.5.370.0100.01115.30
5.5.360.0080.01115.22
5.5.350.0140.03216.81
5.5.340.0110.03216.16
5.5.330.0080.02316.88
5.5.320.0210.02816.88
5.5.310.0140.02816.91
5.5.300.0090.02216.11
5.5.290.0030.03216.08
5.5.280.0110.03216.96
5.5.270.0110.03116.96
5.5.260.0120.02917.02
5.5.250.0090.03516.96
5.5.240.0150.01816.73
5.5.230.0050.01415.05
5.5.220.0100.00915.07
5.5.210.0070.01415.20
5.5.200.0130.00615.11
5.5.190.0080.01015.06
5.5.180.0100.01015.16
5.5.170.0140.00715.18
5.5.160.0110.00515.12
5.5.150.0130.00915.01
5.5.140.0090.01115.03
5.5.130.0090.01015.04
5.5.120.0060.01215.14
5.5.110.0110.00815.10
5.5.100.0100.01315.04
5.5.90.0070.01615.06
5.5.80.0150.00615.13
5.5.70.0140.00915.16
5.5.60.0080.01215.13
5.5.50.0130.00415.15
5.5.40.0080.01015.05
5.5.30.0120.00615.11
5.5.20.0160.00515.12
5.5.10.0110.00615.15
5.5.00.0070.01115.13
5.4.450.0320.01215.72
5.4.440.0140.02215.67
5.4.430.0270.01915.77
5.4.420.0160.01715.71
5.4.410.0110.02215.69
5.4.400.0210.02415.55
5.4.390.0160.02015.56
5.4.380.0140.02515.48
5.4.370.0230.02315.47
5.4.360.0140.02315.48
5.4.350.0170.02215.49
5.4.340.0190.02015.49
5.4.330.0050.01013.87
5.4.320.0030.02013.40
5.4.310.0090.01613.40
5.4.300.0060.02013.40
5.4.290.0080.01713.40
5.4.280.0090.01413.36
5.4.270.0090.01413.36
5.4.260.0070.01713.36
5.4.250.0050.01813.36
5.4.240.0080.01713.36
5.4.230.0070.01913.36
5.4.220.0100.01313.36
5.4.210.0080.01613.36
5.4.200.0050.01913.36
5.4.190.0070.01613.36
5.4.180.0090.01413.36
5.4.170.0050.01613.36
5.4.160.0070.01513.36
5.4.150.0100.01513.36
5.4.140.0050.02113.25
5.4.130.0050.01713.25
5.4.120.0070.01713.24
5.4.110.0120.01213.23
5.4.100.0070.01613.23
5.4.90.0050.01713.24
5.4.80.0060.01813.24
5.4.70.0040.01913.23
5.4.60.0070.01513.23
5.4.50.0060.01613.23
5.4.40.0080.01513.23
5.4.30.0070.01713.23
5.4.20.0080.01313.23
5.4.10.0070.01613.23
5.4.00.0060.01713.06
5.3.290.0080.04012.80
5.3.280.0070.03812.71
5.3.270.0100.03612.73
5.3.260.0070.03712.72
5.3.250.0050.03812.72
5.3.240.0040.03912.72
5.3.230.0050.04312.71
5.3.220.0050.03912.68
5.3.210.0090.03912.68
5.3.200.0100.03912.68
5.3.190.0050.03912.67
5.3.180.0070.03512.67
5.3.170.0090.03312.67
5.3.160.0090.03312.67
5.3.150.0050.03812.67
5.3.140.0100.03212.66
5.3.130.0090.03712.66
5.3.120.0070.03712.66
5.3.110.0080.03712.66
5.3.100.0050.03812.12
5.3.90.0080.03412.08
5.3.80.0050.03712.07
5.3.70.0050.03812.08
5.3.60.0050.03612.06
5.3.50.0040.03812.00
5.3.40.0040.03712.00
5.3.30.0080.03511.95
5.3.20.0140.03111.72
5.3.10.0090.03311.70
5.3.00.0090.04211.68
5.2.170.0040.0319.18
5.2.160.0030.0319.18
5.2.150.0080.0279.18
5.2.140.0040.0339.18
5.2.130.0030.0309.14
5.2.120.0030.0319.14
5.2.110.0050.0309.14
5.2.100.0050.0289.14
5.2.90.0060.0279.14
5.2.80.0040.0309.14
5.2.70.0040.0299.14
5.2.60.0080.0319.08
5.2.50.0070.0289.05
5.2.40.0040.0339.04
5.2.30.0050.0379.02
5.2.20.0020.0369.00
5.2.10.0040.0338.92
5.2.00.0070.0278.78
5.1.60.0060.0228.07
5.1.50.0030.0268.06
5.1.40.0060.0228.05
5.1.30.0010.0298.40
5.1.20.0060.0258.42
5.1.10.0090.0238.14
5.1.00.0040.0258.14
5.0.50.0040.0206.62
5.0.40.0030.0206.48
5.0.30.0040.0316.29
5.0.20.0030.0206.26
5.0.10.0030.0236.23
5.0.00.0050.0396.23
4.4.90.0020.0204.78
4.4.80.0020.0234.75
4.4.70.0040.0184.75
4.4.60.0030.0174.75
4.4.50.0040.0144.77
4.4.40.0040.0244.71
4.4.30.0030.0154.76
4.4.20.0020.0174.84
4.4.10.0050.0214.85
4.4.00.0050.0294.75
4.3.110.0020.0224.67
4.3.100.0030.0204.66
4.3.90.0040.0184.63
4.3.80.0020.0324.59
4.3.70.0020.0214.63
4.3.60.0040.0214.63
4.3.50.0030.0224.63
4.3.40.0040.0264.54
4.3.30.0010.0173.28
4.3.20.0010.0173.26
4.3.10.0020.0163.22
4.3.00.0030.02015.63

preferences:
42.14 ms | 401 KiB | 5 Q