3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array('a'=>1, 'b'=>'2'); var_dump(array_merge_recursive($foo,array('b'=>'c','c'=>33)));

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)
8.3.40.0140.00018.47
8.3.30.0070.01018.79
8.3.20.0080.00020.34
8.3.10.0000.00821.77
8.3.00.0080.00019.00
8.2.170.0070.01122.96
8.2.160.0130.00720.14
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.23
8.2.110.0060.00321.04
8.2.100.0080.00317.75
8.2.90.0000.00818.96
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0030.00518.07
8.2.40.0040.00418.03
8.2.30.0000.00817.89
8.2.20.0080.00017.72
8.2.10.0080.00018.02
8.2.00.0030.00617.48
8.1.270.0080.00018.87
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.19
8.1.230.0040.00717.53
8.1.220.0030.00517.74
8.1.210.0000.01118.77
8.1.200.0000.00917.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00520.25
8.1.160.0000.00721.86
8.1.150.0000.00718.74
8.1.140.0040.00417.45
8.1.130.0030.00317.82
8.1.120.0020.00517.35
8.1.110.0090.00017.39
8.1.100.0070.00017.39
8.1.90.0070.00017.38
8.1.80.0080.00017.38
8.1.70.0070.00017.28
8.1.60.0040.00417.43
8.1.50.0040.00417.32
8.1.40.0050.00317.36
8.1.30.0050.00317.48
8.1.20.0040.00417.63
8.1.10.0040.00417.39
8.1.00.0070.00017.34
8.0.300.0070.00018.77
8.0.290.0080.00016.58
8.0.280.0040.00418.38
8.0.270.0000.00817.13
8.0.260.0060.00017.19
8.0.250.0030.00316.76
8.0.240.0000.00716.84
8.0.230.0070.00016.95
8.0.220.0050.00216.84
8.0.210.0000.00716.66
8.0.200.0040.00416.78
8.0.190.0100.00016.91
8.0.180.0000.00716.74
8.0.170.0050.00316.73
8.0.160.0070.00016.83
8.0.150.0030.00316.83
8.0.140.0040.00416.70
8.0.130.0040.00413.21
8.0.120.0070.00016.82
8.0.110.0060.00316.76
8.0.100.0040.00416.82
8.0.90.0040.00416.86
8.0.80.0070.01416.80
8.0.70.0040.00416.73
8.0.60.0050.00316.82
8.0.50.0070.00016.71
8.0.30.0160.01016.75
8.0.20.0100.01017.40
8.0.10.0000.00716.79
8.0.00.0060.01416.76
7.4.330.0000.00515.03
7.4.320.0030.00316.58
7.4.300.0000.00616.50
7.4.290.0050.00516.34
7.4.280.0020.00516.57
7.4.270.0040.00416.30
7.4.260.0040.00416.40
7.4.250.0000.00716.29
7.4.240.0030.00516.49
7.4.230.0070.00016.33
7.4.220.0060.01316.52
7.4.210.0070.01016.52
7.4.200.0030.00316.32
7.4.160.0090.00616.57
7.4.150.0090.01117.40
7.4.140.0100.01017.86
7.4.130.0070.01216.36
7.4.120.0060.01216.38
7.4.110.0070.01016.44
7.4.100.0190.00316.54
7.4.90.0130.00916.32
7.4.80.0040.02219.39
7.4.70.0090.01216.43
7.4.60.0120.00616.55
7.4.50.0060.00316.23
7.4.40.0100.00616.39
7.4.30.0090.00916.40
7.4.00.0100.00714.46
7.3.330.0020.00212.85
7.3.320.0130.00012.94
7.3.310.0030.00316.00
7.3.300.0030.00316.14
7.3.290.0040.01116.13
7.3.280.0080.00916.13
7.3.270.0100.01017.40
7.3.260.0190.00616.03
7.3.250.0140.00616.11
7.3.240.0030.01316.19
7.3.230.0140.01116.39
7.3.210.0090.01316.31
7.3.200.0100.00719.39
7.3.190.0100.00616.16
7.3.180.0090.00615.98
7.3.170.0120.01016.27
7.3.160.0130.00316.30
7.2.330.0030.01416.18
7.2.320.0000.01716.45
7.2.310.0110.01116.59
7.2.300.0100.00616.36
7.2.290.0070.01316.55
7.2.00.0100.00719.05
7.1.100.0040.00718.01
7.1.70.0080.00017.25
7.1.60.0100.01419.50
7.1.50.0040.01816.82
7.1.00.0100.07022.31
7.0.200.0140.00714.89
7.0.140.0070.06722.09
7.0.60.0130.07719.91
7.0.50.0070.06717.88
7.0.40.0170.06319.98
7.0.30.0230.03720.18
7.0.20.0230.03320.17
7.0.10.0300.04720.12
7.0.00.0070.05020.19
5.6.280.0100.06721.10
5.6.210.0100.06320.49
5.6.200.0100.07718.18
5.6.190.0070.04320.45
5.6.180.0230.05320.39
5.6.170.0370.07020.53
5.6.160.0070.06320.41
5.6.150.0130.07718.19
5.6.140.0070.08318.13
5.6.130.0030.05018.12
5.6.120.0100.07020.97
5.6.110.0030.09321.13
5.6.100.0070.06021.05
5.6.90.0030.08021.01
5.6.80.0030.04320.33
5.6.70.0170.03720.35
5.5.350.0330.06320.41
5.5.340.0000.04017.93
5.5.330.0170.07720.56
5.5.320.0100.08020.47
5.5.310.0330.08020.29
5.5.300.0030.04717.93
5.5.290.0070.03717.91
5.5.280.0070.05020.76
5.5.270.0100.03720.84
5.5.260.0030.04020.75
5.5.250.0100.05020.77
5.5.240.0100.07720.23
5.4.450.0230.06319.29
5.4.440.1070.07319.32
5.4.430.0230.07319.58
5.4.420.1030.05319.55
5.4.410.0100.06018.89
5.4.400.0730.07318.79
5.4.390.1130.06318.79
5.4.380.1000.05318.69
5.4.370.1070.07018.49
5.4.360.0900.06018.72
5.4.350.1200.06718.72
5.4.340.1100.06718.69
5.4.320.1200.05718.52
5.4.310.0800.06318.66
5.4.300.0800.05318.68
5.4.290.0970.06718.74
5.4.280.0970.08718.77
5.4.270.0700.06718.73
5.4.260.1070.05318.49
5.4.250.0800.05318.46
5.4.240.0970.05718.61
5.4.230.1070.05318.48
5.4.220.1000.06718.73
5.4.210.1170.06718.45
5.4.200.1030.06016.65
5.4.190.1270.07018.57
5.4.180.1070.07018.68
5.4.170.0930.06718.55
5.4.160.0930.06018.65
5.4.150.1600.05018.54
5.4.140.1300.03316.24
5.4.130.1200.06316.22
5.4.120.1330.07316.35
5.4.110.1230.05316.15
5.4.100.1170.05716.21
5.4.90.0930.07316.25
5.4.80.1130.06016.13
5.4.70.1070.04716.13
5.4.60.0900.06316.16
5.4.50.1070.05016.21
5.4.40.1070.05316.22
5.4.30.1200.05016.18
5.4.20.0930.04716.02
5.4.10.1200.04716.21
5.4.00.1370.04015.68
5.3.290.1000.07314.58
5.3.280.1070.04714.59
5.3.270.0900.07314.60
5.3.260.0930.08014.53
5.3.250.1470.06314.66
5.3.240.1030.06714.57
5.3.230.1030.06014.68
5.3.220.1000.05314.54
5.3.210.1130.06714.66
5.3.200.0670.05314.56
5.3.190.0830.06314.61
5.3.180.1170.06314.45
5.3.170.1130.07314.56
5.3.160.0670.07314.66
5.3.150.0970.05314.57
5.3.140.0930.05714.59
5.3.130.1130.06714.46
5.3.120.1200.05714.46
5.3.110.0900.08314.60
5.3.100.1000.05714.13
5.3.90.0970.05014.11
5.3.80.0730.06014.12
5.3.70.0770.06713.95
5.3.60.1100.05713.93
5.3.50.0730.06313.97
5.3.40.0830.05313.86
5.3.30.1200.05313.89
5.3.20.0900.04713.62
5.3.10.0800.06013.58
5.3.00.0900.06013.62
5.2.170.0800.04011.05
5.2.160.0630.06011.20
5.2.150.1100.04311.05
5.2.140.0770.05011.17
5.2.130.0600.04711.10
5.2.120.0600.05311.08
5.2.110.0870.04311.06
5.2.100.0670.03711.08
5.2.90.0700.04311.05
5.2.80.1000.05011.10
5.2.70.0930.05311.06
5.2.60.0700.05711.02
5.2.50.0670.04311.05
5.2.40.0400.04711.16
5.2.30.0570.04310.95
5.2.20.0600.04710.95
5.2.10.0630.03710.96
5.2.00.0570.04710.75
5.1.60.0400.04010.09
5.1.50.0600.04010.04
5.1.40.0670.0339.97
5.1.30.0830.03310.46
5.1.20.0470.04710.45
5.1.10.0670.04010.18
5.1.00.0770.03310.18
5.0.50.0470.0378.56
5.0.40.0330.0308.47
5.0.30.0370.0508.29
5.0.20.0300.0338.32
5.0.10.0370.0278.20
5.0.00.0300.0478.18
4.4.90.0270.0275.92
4.4.80.0470.0175.88
4.4.70.0400.0335.86
4.4.60.0200.0335.86
4.4.50.0270.0275.92
4.4.40.0330.0405.86
4.4.30.0200.0275.91
4.4.20.0300.0235.88
4.4.10.0400.0205.91
4.4.00.0430.0335.95
4.3.110.0370.0275.86
4.3.100.0230.0305.82
4.3.90.0270.0205.81
4.3.80.0430.0405.80
4.3.70.0300.0305.78
4.3.60.0500.0235.83
4.3.50.0570.0205.78
4.3.40.0300.0435.85
4.3.30.0200.0304.70
4.3.20.0170.0274.54
4.3.10.0100.0334.52
4.3.00.0100.0306.80

preferences:
45.77 ms | 400 KiB | 5 Q