3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array('b'=>2); $y = array('a'=>1, 'b'=>3); var_dump(array_merge($x,$y));

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)
8.3.60.0060.01118.30
8.3.50.0160.00321.94
8.3.40.0110.00318.46
8.3.30.0070.00718.98
8.3.20.0070.00020.04
8.3.10.0030.00623.48
8.3.00.0060.00319.25
8.2.180.0070.00718.16
8.2.170.0070.00722.96
8.2.160.0110.00320.32
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0060.01226.16
8.2.120.0050.00322.29
8.2.110.0040.00722.15
8.2.100.0000.01217.60
8.2.90.0000.00819.02
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0080.00019.75
8.2.30.0050.00217.86
8.2.20.0040.00417.67
8.2.10.0040.00417.95
8.2.00.0000.00817.48
8.1.280.0070.00725.92
8.1.270.0000.00823.82
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00723.71
8.1.230.0070.00318.97
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0050.00517.23
8.1.190.0040.00417.40
8.1.180.0060.00318.89
8.1.170.0080.00018.50
8.1.160.0030.00521.84
8.1.150.0040.00418.57
8.1.140.0070.00017.41
8.1.130.0000.00717.73
8.1.120.0050.00317.32
8.1.110.0060.00317.37
8.1.100.0070.00317.37
8.1.90.0000.00717.32
8.1.80.0070.00017.42
8.1.70.0040.00417.30
8.1.60.0040.00417.46
8.1.50.0040.00417.38
8.1.40.0040.00417.32
8.1.30.0030.00517.53
8.1.20.0000.00717.48
8.1.10.0080.00017.32
8.1.00.0040.00417.26
8.0.300.0040.00419.21
8.0.290.0030.00317.18
8.0.280.0070.00018.37
8.0.270.0000.00717.09
8.0.260.0060.00017.18
8.0.250.0030.00316.78
8.0.240.0000.00816.75
8.0.230.0070.00016.86
8.0.220.0030.00316.80
8.0.210.0070.00016.86
8.0.200.0000.00616.80
8.0.190.0000.00816.84
8.0.180.0000.00816.74
8.0.170.0000.00916.84
8.0.160.0040.00416.79
8.0.150.0070.00016.75
8.0.140.0030.00416.81
8.0.130.0070.00013.27
8.0.120.0050.00316.71
8.0.110.0040.00416.86
8.0.100.0000.00716.80
8.0.90.0040.00416.70
8.0.80.0090.00616.78
8.0.70.0070.00016.76
8.0.60.0040.00416.71
8.0.50.0040.00416.91
8.0.30.0100.00816.96
8.0.20.0080.01017.40
8.0.10.0030.00516.83
8.0.00.0070.01016.61
7.4.330.0050.00015.01
7.4.320.0000.00616.54
7.4.300.0060.00016.50
7.4.290.0040.00416.35
7.4.280.0040.00416.40
7.4.270.0000.00716.43
7.4.260.0050.00316.39
7.4.250.0000.00716.32
7.4.240.0030.00316.49
7.4.230.0030.00316.45
7.4.220.0110.00716.54
7.4.210.0110.00516.54
7.4.200.0070.00016.55
7.4.190.0000.00716.59
7.4.160.0090.00616.64
7.4.150.0090.00917.40
7.4.140.0160.00917.86
7.4.130.0070.01016.46
7.4.120.0070.01016.33
7.4.110.0150.00916.57
7.4.100.0100.00616.38
7.4.90.0090.00816.18
7.4.80.0040.01619.39
7.4.70.0070.01016.41
7.4.60.0070.01516.34
7.4.50.0000.00516.42
7.4.40.0100.00722.77
7.4.30.0090.00616.39
7.4.00.0050.01114.73
7.3.330.0040.00213.03
7.3.320.0000.00613.02
7.3.310.0000.00716.02
7.3.300.0030.00315.99
7.3.290.0080.01316.15
7.3.280.0070.01016.12
7.3.270.0070.01117.40
7.3.260.0090.01016.27
7.3.250.0120.00616.30
7.3.240.0060.01216.43
7.3.230.0030.01316.39
7.3.210.0100.00716.27
7.3.200.0120.00619.39
7.3.190.0120.00316.24
7.3.180.0090.00916.28
7.3.170.0070.01116.36
7.3.160.0090.00616.01
7.3.120.0070.00914.87
7.3.110.0120.00614.70
7.3.100.0000.01414.83
7.3.90.0170.00314.76
7.3.80.0070.00414.99
7.3.70.0060.01014.65
7.3.60.0030.00514.67
7.3.50.0060.00914.42
7.3.40.0070.01114.66
7.3.30.0060.00314.72
7.3.20.0000.01316.48
7.3.10.0070.00716.57
7.3.00.0040.01116.66
7.2.330.0130.01016.33
7.2.320.0030.01316.45
7.2.310.0170.00016.42
7.2.300.0110.01116.53
7.2.290.0060.01016.58
7.2.250.0040.01414.73
7.2.240.0070.01014.73
7.2.230.0140.00715.05
7.2.220.0040.01415.11
7.2.210.0130.00314.63
7.2.200.0030.01014.66
7.2.190.0060.00914.66
7.2.180.0040.01214.74
7.2.170.0060.01214.80
7.2.60.0100.00716.91
7.2.00.0090.00619.28
7.1.330.0030.01015.55
7.1.320.0130.00315.55
7.1.310.0070.00715.57
7.1.300.0040.01115.65
7.1.290.0030.00915.66
7.1.280.0060.00615.93
7.1.270.0090.00615.83
7.1.260.0030.00715.70
7.1.200.0060.00615.41
7.1.100.0210.00315.96
7.1.70.0030.00517.06
7.1.60.0000.02519.46
7.1.50.0100.01016.79
7.1.00.0100.07322.57
7.0.200.0120.00614.49
7.0.140.0030.07021.94
7.0.60.0000.04319.91
7.0.50.0070.03717.80
7.0.40.0030.05020.05
7.0.30.0270.07020.01
7.0.20.0330.06320.21
7.0.10.0030.09020.09
7.0.00.0130.06020.11
5.6.280.0030.07320.81
5.6.210.0070.06020.66
5.6.200.0030.06718.11
5.6.190.0030.04320.63
5.6.180.0300.05720.45
5.6.170.0300.07320.38
5.6.160.0100.03320.48
5.6.150.0100.08018.12
5.6.140.0030.07718.07
5.6.130.0100.06018.20
5.6.120.0070.04720.95
5.6.110.0070.08720.98
5.6.100.0030.08721.00
5.6.90.0170.07021.11
5.6.80.0070.07720.47
5.5.350.0200.04720.43
5.5.340.0100.04717.93
5.5.330.0100.07720.13
5.5.320.0270.07720.49
5.5.310.0330.04320.33
5.5.300.0030.04018.02
5.5.290.0070.07718.02
5.5.280.0070.08320.80
5.5.270.0100.08320.75
5.5.260.0030.07320.64
5.5.250.0030.09020.68
5.5.240.0130.06720.15
5.4.450.0630.06319.46
5.4.440.1030.05319.23
5.4.430.0270.05319.30
5.4.420.0830.06019.46
5.4.410.0800.05319.33
5.4.400.0000.07019.24
5.4.390.0770.06019.08
5.4.380.0300.05718.71
5.4.370.0330.05318.44
5.4.360.0370.05018.70
5.4.350.0600.06018.70
5.4.340.0430.08018.65
5.4.320.0040.03812.46
5.4.310.0100.03812.45
5.4.300.0060.03912.45
5.4.290.0070.04912.43
5.4.280.0090.05212.33
5.4.270.0100.05312.33
5.4.260.0060.05812.33
5.4.250.0130.03812.33
5.4.240.0080.05512.33
5.4.230.0050.05912.32
5.4.220.0110.05312.32
5.4.210.0130.04912.32
5.4.200.0150.07612.32
5.4.190.0080.05312.32
5.4.180.0090.05212.32
5.4.170.0050.05512.33
5.4.160.0070.04512.32
5.4.150.0080.06012.32
5.4.140.0120.04512.00
5.4.130.0260.09411.99
5.4.120.0090.04211.95
5.4.110.0080.04911.95
5.4.100.0090.04811.95
5.4.90.0050.04611.95
5.4.80.0060.04311.95
5.4.70.0180.10811.95
5.4.60.0080.09411.95
5.4.50.0090.05611.95
5.4.40.0070.03611.93
5.4.30.0080.05111.93
5.4.20.0040.03811.93
5.4.10.0060.03511.93
5.4.00.0050.03811.42
5.3.290.0090.04112.80
5.3.280.0080.03712.71
5.3.270.0080.03812.73
5.3.260.0040.04112.72
5.3.250.0050.04412.72
5.3.240.0070.03912.72
5.3.230.0110.03512.71
5.3.220.0080.03912.68
5.3.210.0060.04312.68
5.3.200.0080.03712.68
5.3.190.0080.03812.68
5.3.180.0090.04412.67
5.3.170.0060.05312.67
5.3.160.0090.04912.68
5.3.150.0110.05012.68
5.3.140.0120.05712.66
5.3.130.0080.05012.66
5.3.120.0080.03912.66
5.3.110.0070.05612.66
5.3.100.0080.04712.12
5.3.90.0040.04412.08
5.3.80.0060.04912.08
5.3.70.0100.03512.07
5.3.60.0060.04012.07
5.3.50.0050.04212.00
5.3.40.0070.03812.00
5.3.30.0060.03911.94
5.3.20.0080.03411.73
5.3.10.0070.03411.70
5.3.00.0050.04011.68
5.2.170.0060.0319.18
5.2.160.0060.0319.18
5.2.150.0060.0409.18
5.2.140.0050.0429.17
5.2.130.0120.0499.14
5.2.120.0040.0449.14
5.2.110.0010.0469.14
5.2.100.0080.0389.14
5.2.90.0070.0379.14
5.2.80.0080.0349.14
5.2.70.0070.0299.13
5.2.60.0080.0339.08
5.2.50.0050.0339.05
5.2.40.0050.0389.03
5.2.30.0060.0459.01
5.2.20.0040.0389.00
5.2.10.0050.0378.92
5.2.00.0060.0348.78
5.1.60.0030.0308.06
5.1.50.0080.0228.05
5.1.40.0030.0288.04
5.1.30.0050.0278.39
5.1.20.0070.0258.41
5.1.10.0030.0288.14
5.1.00.0090.0258.14
5.0.50.0050.0216.62
5.0.40.0050.0296.47
5.0.30.0040.0516.29
5.0.20.0090.0226.26
5.0.10.0050.0316.23
5.0.00.0060.0366.22
4.4.90.0040.0164.78
4.4.80.0020.0174.76
4.4.70.0050.0154.76
4.4.60.0020.0174.75
4.4.50.0040.0214.77
4.4.40.0020.0334.71
4.4.30.0060.0174.76
4.4.20.0020.0174.84
4.4.10.0020.0224.85
4.4.00.0050.0284.76
4.3.110.0040.0164.67
4.3.100.0020.0184.66
4.3.90.0040.0154.63
4.3.80.0050.0274.59
4.3.70.0040.0184.63
4.3.60.0010.0174.63
4.3.50.0040.0164.63
4.3.40.0040.0244.54
4.3.30.0020.0183.28
4.3.20.0020.0183.26
4.3.10.0020.0183.22
4.3.00.0270.02710.54

preferences:
54.72 ms | 401 KiB | 5 Q