3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = [1,2,3,4]; $c = [1,2,3,4]; var_dump(array_merge($d,$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)
8.3.60.0110.00418.43
8.3.50.0100.01021.08
8.3.40.0110.00418.59
8.3.30.0100.00319.96
8.3.20.0040.00418.48
8.3.10.0030.00521.09
8.3.00.0080.00023.61
8.2.180.0140.00716.50
8.2.170.0070.01022.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00517.50
8.2.110.0060.00319.24
8.2.100.0080.00317.72
8.2.90.0070.00019.09
8.2.80.0040.00419.34
8.2.70.0060.00317.38
8.2.60.0080.00017.91
8.2.50.0050.00318.07
8.2.40.0030.00618.16
8.2.30.0000.00719.53
8.2.20.0040.00417.54
8.2.10.0040.00417.59
8.2.00.0030.00617.62
8.1.280.0070.01425.92
8.1.270.0060.00321.90
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0000.01022.46
8.1.230.0080.00420.77
8.1.220.0000.00818.77
8.1.210.0030.00618.90
8.1.200.0050.00517.25
8.1.190.0000.00717.39
8.1.180.0050.00318.10
8.1.170.0080.00018.56
8.1.160.0000.00718.81
8.1.150.0000.00718.61
8.1.140.0040.00417.25
8.1.130.0000.00717.80
8.1.120.0070.00017.28
8.1.110.0040.00417.33
8.1.100.0000.00817.30
8.1.90.0000.00717.23
8.1.80.0070.00017.33
8.1.70.0000.00717.38
8.1.60.0000.00817.40
8.1.50.0000.00817.31
8.1.40.0040.00417.32
8.1.30.0000.00817.61
8.1.20.0000.00817.58
8.1.10.0040.00417.47
8.1.00.0050.00517.25
8.0.300.0040.00419.85
8.0.290.0000.00716.93
8.0.280.0000.00718.42
8.0.270.0030.00817.17
8.0.260.0030.00316.66
8.0.250.0000.00816.87
8.0.240.0040.00416.81
8.0.230.0000.00716.91
8.0.220.0030.00316.84
8.0.210.0070.00016.81
8.0.200.0030.00316.88
8.0.190.0070.00016.90
8.0.180.0060.00316.91
8.0.170.0080.00016.86
8.0.160.0000.00716.81
8.0.150.0040.00416.80
8.0.140.0030.00316.82
8.0.130.0060.00013.33
8.0.120.0000.00716.76
8.0.110.0040.00416.68
8.0.100.0040.00416.79
8.0.90.0000.00716.84
8.0.80.0080.00816.84
8.0.70.0000.00716.71
8.0.60.0040.00416.71
8.0.50.0040.00416.61
8.0.30.0130.00516.83
8.0.20.0120.00717.40
8.0.10.0000.00716.93
8.0.00.0100.01016.53
7.4.330.0060.00015.04
7.4.320.0000.00716.34
7.4.300.0030.00316.48
7.4.290.0030.00316.39
7.4.280.0000.00616.43
7.4.270.0040.00416.34
7.4.260.0030.00313.26
7.4.250.0040.00416.40
7.4.240.0000.00716.57
7.4.230.0000.00716.33
7.4.220.0060.01316.40
7.4.210.0100.00716.46
7.4.200.0000.00716.33
7.4.190.0080.00016.69
7.4.160.0200.00316.53
7.4.150.0090.00917.40
7.4.140.0050.01417.86
7.4.130.0060.01216.32
7.4.120.0110.00816.40
7.4.110.0040.01316.38
7.4.100.0090.00916.53
7.4.90.0120.01016.45
7.4.80.0030.01419.39
7.4.70.0100.00716.43
7.4.60.0040.01216.36
7.4.50.0040.00416.34
7.4.40.0030.00922.77
7.4.30.0110.00616.45
7.4.00.0080.00914.96
7.3.330.0000.00512.97
7.3.320.0030.00313.07
7.3.310.0000.00716.05
7.3.300.0040.00416.17
7.3.290.0140.00016.12
7.3.280.0090.00916.10
7.3.270.0060.01217.40
7.3.260.0120.00818.24
7.3.250.0170.00316.26
7.3.240.0060.01016.32
7.3.230.0090.01516.39
7.3.210.0110.00616.06
7.3.200.0190.00319.39
7.3.190.0130.00316.19
7.3.180.0130.00316.22
7.3.170.0080.00816.31
7.3.160.0090.00616.04
7.3.120.0090.00914.75
7.3.110.0060.01314.64
7.3.100.0030.01014.86
7.3.90.0040.01114.62
7.3.80.0000.01414.82
7.3.70.0040.00814.78
7.3.60.0030.00814.76
7.3.50.0060.00914.32
7.3.40.0060.00614.46
7.3.30.0040.01114.56
7.3.20.0070.00316.53
7.3.10.0060.00616.57
7.3.00.0040.01116.57
7.2.330.0030.01516.12
7.2.320.0090.00916.46
7.2.310.0120.00616.49
7.2.300.0160.00616.49
7.2.290.0030.01316.46
7.2.250.0040.01814.67
7.2.240.0070.01614.55
7.2.230.0050.00815.07
7.2.220.0070.00714.93
7.2.210.0070.00714.97
7.2.200.0000.01314.62
7.2.190.0060.00914.77
7.2.180.0000.01614.73
7.2.170.0040.00814.49
7.2.00.0040.00818.84
7.1.330.0040.01115.80
7.1.320.0090.00615.82
7.1.310.0080.00515.73
7.1.300.0000.01415.77
7.1.290.0080.00515.71
7.1.280.0030.01015.46
7.1.270.0120.00315.77
7.1.260.0040.01215.88
7.1.100.0080.00617.94
7.1.70.0110.00316.97
7.1.60.0040.01219.17
7.1.50.0120.01216.86
7.1.00.0030.07722.40
7.0.200.0030.00316.73
7.0.140.0030.07022.16
7.0.60.0070.03719.77
7.0.50.0030.07017.82
7.0.40.0030.05720.12
7.0.30.0370.06020.04
7.0.20.0300.04320.21
7.0.10.0300.07720.09
7.0.00.0100.08020.03
5.6.280.0000.07321.14
5.6.210.0100.06720.74
5.6.200.0030.08018.19
5.6.190.0030.06020.49
5.6.180.0300.08320.42
5.6.170.0330.07720.51
5.6.160.0130.07320.48
5.6.150.0070.08318.15
5.6.140.0030.08018.21
5.6.130.0070.08018.21
5.6.120.0070.03721.13
5.6.110.0030.07321.04
5.6.100.0030.04321.06
5.6.90.0100.08020.97
5.6.80.0030.08320.46
5.6.70.4530.03320.36
5.5.350.0130.06720.41
5.5.340.0100.07717.98
5.5.330.0070.07320.22
5.5.320.0270.04320.44
5.5.310.0270.06020.27
5.5.300.0070.08017.94
5.5.290.0030.07718.00
5.5.280.0030.04720.86
5.5.270.0030.07320.72
5.5.260.0070.06720.86
5.5.250.0070.05020.79
5.5.240.0030.04720.14
5.4.450.3100.04019.57
5.4.440.3100.04019.41
5.4.430.2600.04319.57
5.4.420.3030.03719.60
5.4.410.3100.03719.44
5.4.400.3270.04019.07
5.4.390.2870.03719.08
5.4.380.2930.03019.13
5.4.370.3130.03319.25
5.4.360.2870.03719.25
5.4.350.3230.03319.25
5.4.340.3130.03718.82
5.4.320.3370.04019.06
5.4.310.3270.03719.10
5.4.300.3100.03719.08
5.4.290.3530.04018.80
5.4.280.3300.03719.13
5.4.270.3230.03318.80
5.4.260.3200.04318.94
5.4.250.3000.03719.08
5.4.240.3030.04019.15
5.4.230.3100.04319.16
5.4.220.2830.04018.74
5.4.210.3300.03318.80
5.4.200.2870.04018.80
5.4.190.2830.03318.79
5.4.180.3900.03319.23
5.4.170.3330.03718.79
5.4.160.3370.03719.06
5.4.150.2070.03019.04
5.4.140.3030.03016.55
5.4.130.2970.03716.18
5.4.120.3130.03716.35
5.4.110.3030.04016.45
5.4.100.2900.03716.46
5.4.90.3270.03716.39
5.4.80.3900.03716.38
5.4.70.3100.03716.29
5.4.60.3100.03316.37
5.4.50.2770.03716.47
5.4.40.3270.03316.20
5.4.30.3070.03716.45
5.4.20.3330.04016.27
5.4.10.3230.03716.18
5.4.00.2900.03715.82
5.3.290.3570.04014.51
5.3.280.3270.04014.44
5.3.270.3130.03314.48
5.3.260.2970.04314.48
5.3.250.3300.03314.64
5.3.240.3030.05314.46
5.3.230.3030.03014.43
5.3.220.3200.03714.60
5.3.210.3130.03314.55
5.3.200.3200.04014.60
5.3.190.3200.03714.59
5.3.180.2430.04314.51
5.3.170.3130.04014.61
5.3.160.3200.03314.52
5.3.150.2930.03714.61
5.3.140.2970.03314.54
5.3.130.2970.03714.41
5.3.120.3300.03714.53
5.3.110.3430.05014.41
5.3.100.3000.03714.09
5.3.90.2930.03713.93
5.3.80.2930.03313.86
5.3.70.3130.03313.86
5.3.60.3230.03714.00
5.3.50.2930.04713.89
5.3.40.2230.05014.03
5.3.30.3500.04013.94
5.3.20.3000.03013.62
5.3.10.3130.03013.62
5.3.00.3300.03313.43
5.2.170.2530.04012.52
5.2.160.2600.02712.52
5.2.150.2470.02712.52
5.2.140.2670.03312.52
5.2.130.2630.03012.52
5.2.120.2470.03312.52
5.2.110.2630.03312.52
5.2.100.2570.03012.52
5.2.90.2500.02012.52
5.2.80.2400.03012.52
5.2.70.2400.03012.52
5.2.60.2770.02712.52
5.2.50.2730.02312.52
5.2.40.1930.03012.52
5.2.30.1930.02712.52
5.2.20.2030.02312.52
5.2.10.1900.01712.52
5.2.00.0000.03012.52
5.1.60.0000.06012.52
5.1.50.0030.05712.52
5.1.40.0000.03712.52
5.1.30.1770.03012.52
5.1.20.2070.02312.52
5.1.10.2070.02012.52
5.1.00.1700.02312.52
5.0.50.1170.02312.52
5.0.40.1030.02312.52
5.0.30.1300.03312.52
5.0.20.1000.01712.52
5.0.10.1030.01712.52
5.0.00.1030.03012.52
4.4.90.1070.02012.52
4.4.80.1170.02012.52
4.4.70.0930.01712.52
4.4.60.1030.01712.52
4.4.50.1200.02012.52
4.4.40.0000.05712.52
4.4.30.0000.02312.52
4.4.20.1030.01312.52
4.4.10.1170.02312.52
4.4.00.1200.03012.52
4.3.110.0930.01712.52
4.3.100.1270.02012.52
4.3.90.0930.01712.52
4.3.80.1130.02312.52
4.3.70.0970.01312.52
4.3.60.1100.02012.52
4.3.50.1100.01312.52
4.3.40.1330.02712.52
4.3.30.0630.02312.52
4.3.20.0470.01712.52
4.3.10.0500.02312.52
4.3.00.0630.01012.52

preferences:
45.9 ms | 401 KiB | 5 Q