3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = null; $y = array_merge(array('a'=>2, 'b'=>4, 'c'=>6), (array)$x); var_dump($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)
8.3.40.0110.00418.77
8.3.30.0100.00618.66
8.3.20.0090.00618.61
8.3.10.0000.00820.72
8.3.00.0040.00423.56
8.2.170.0150.00422.96
8.2.160.0100.01020.47
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0040.00419.66
8.2.110.0060.00322.07
8.2.100.0080.00317.84
8.2.90.0000.00819.08
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0030.00517.55
8.2.50.0000.00819.22
8.2.40.0050.00318.10
8.2.30.0030.00319.48
8.2.20.0000.00717.68
8.2.10.0000.00817.59
8.2.00.0050.00317.61
8.1.270.0040.01123.99
8.1.260.0040.00426.35
8.1.250.0000.00928.09
8.1.240.0040.00422.33
8.1.230.0070.00420.96
8.1.220.0040.00418.77
8.1.210.0040.00418.82
8.1.200.0030.00617.23
8.1.190.0040.00417.41
8.1.180.0030.00518.10
8.1.170.0060.00318.59
8.1.160.0000.00718.79
8.1.150.0000.00718.56
8.1.140.0060.00317.33
8.1.130.0000.00817.71
8.1.120.0040.00317.32
8.1.110.0000.01017.43
8.1.100.0030.00517.39
8.1.90.0030.00517.42
8.1.80.0050.00217.37
8.1.70.0030.00317.42
8.1.60.0040.00417.57
8.1.50.0040.00417.49
8.1.40.0040.00417.39
8.1.30.0050.00217.65
8.1.20.0030.00617.64
8.1.10.0040.00417.46
8.1.00.0040.00417.36
8.0.300.0040.00419.94
8.0.290.0050.00217.18
8.0.280.0000.00718.35
8.0.270.0080.00017.09
8.0.260.0000.00716.70
8.0.250.0040.00416.87
8.0.240.0040.00416.79
8.0.230.0000.00716.89
8.0.220.0030.00316.69
8.0.210.0030.00316.85
8.0.200.0030.00616.85
8.0.190.0040.00416.78
8.0.180.0050.00316.77
8.0.170.0080.00016.70
8.0.160.0000.00716.84
8.0.150.0040.00416.71
8.0.140.0040.00416.84
8.0.130.0070.00013.23
8.0.120.0030.00516.73
8.0.110.0050.00316.84
8.0.100.0030.00516.63
8.0.90.0070.00016.75
8.0.80.0120.00616.84
8.0.70.0000.00716.69
8.0.60.0060.00316.88
8.0.50.0050.00316.84
8.0.30.0130.00916.89
8.0.20.0080.01217.40
8.0.10.0000.00816.89
8.0.00.0110.01016.64
7.4.330.0030.00313.43
7.4.320.0030.00316.54
7.4.300.0060.00016.39
7.4.290.0000.00716.51
7.4.280.0020.00516.39
7.4.270.0060.00016.59
7.4.260.0030.00313.31
7.4.250.0070.00016.55
7.4.240.0000.00716.42
7.4.230.0000.00716.49
7.4.220.0150.00316.50
7.4.210.0080.00716.63
7.4.200.0050.00316.46
7.4.190.0070.00016.54
7.4.160.0060.01316.57
7.4.150.0090.00917.40
7.4.140.0110.01117.86
7.4.130.0110.00916.54
7.4.120.0070.01016.50
7.4.110.0150.00616.45
7.4.100.0140.00916.45
7.4.90.0090.00916.42
7.4.80.0090.00619.39
7.4.70.0060.01016.49
7.4.60.0110.01116.42
7.4.50.0000.00816.32
7.4.40.0100.00322.52
7.4.30.0030.01316.43
7.4.10.0000.01514.82
7.4.00.0120.00314.94
7.3.330.0000.00513.06
7.3.320.0020.00213.01
7.3.310.0060.00016.23
7.3.300.0000.00616.18
7.3.290.0100.01016.21
7.3.280.0090.00816.22
7.3.270.0030.01417.40
7.3.260.0100.00718.24
7.3.250.0090.00816.37
7.3.240.0110.00716.16
7.3.230.0030.01316.39
7.3.210.0100.00716.38
7.3.200.0080.01319.39
7.3.190.0100.00716.54
7.3.180.0040.01216.41
7.3.170.0090.00616.27
7.3.160.0080.00816.35
7.3.130.0080.00814.50
7.3.120.0110.00514.77
7.3.110.0090.00714.63
7.3.100.0110.00514.67
7.3.90.0060.00814.87
7.3.80.0030.00814.82
7.3.70.0080.00514.75
7.3.60.0020.01214.64
7.3.50.0100.00314.59
7.3.40.0050.00814.71
7.3.30.0090.00514.57
7.3.20.0060.00816.73
7.3.10.0080.00716.34
7.3.00.0030.00816.42
7.2.330.0100.00716.38
7.2.320.0120.00616.49
7.2.310.0150.00316.64
7.2.300.0140.00416.71
7.2.290.0160.00316.39
7.2.260.0120.00815.12
7.2.250.0070.01215.07
7.2.240.0110.00615.12
7.2.230.0020.01114.87
7.2.220.0050.00914.85
7.2.210.0070.00914.94
7.2.200.0100.00314.96
7.2.190.0060.00814.89
7.2.180.0090.00615.01
7.2.170.0050.00915.11
7.2.160.0000.01514.90
7.2.150.0090.00616.88
7.2.140.0040.00916.81
7.2.130.0090.00416.73
7.2.120.0100.00516.41
7.2.110.0090.00816.48
7.2.100.0060.00916.72
7.2.90.0100.00316.91
7.2.80.0060.00916.86
7.2.70.0110.00416.75
7.2.60.0050.01016.84
7.2.50.0050.00716.76
7.2.40.0060.00816.69
7.2.30.0060.00816.65
7.2.20.0100.00316.64
7.2.10.0090.00416.70
7.2.00.0070.00716.88
7.1.330.0110.00315.86
7.1.320.0030.00815.77
7.1.310.0060.00815.73
7.1.300.0040.00815.80
7.1.290.0070.00515.45
7.1.280.0070.00715.83
7.1.270.0040.00715.70
7.1.260.0020.00815.83
7.1.250.0050.00715.62
7.1.240.0130.00015.51
7.1.230.0030.00615.72
7.1.220.0070.00715.84
7.1.210.0050.00315.79
7.1.200.0080.00415.77
7.1.190.0000.01315.75
7.1.180.0000.00815.59
7.1.170.0030.00715.56
7.1.160.0000.00815.73
7.1.150.0070.00715.63
7.1.140.0060.00615.83
7.1.130.0070.00715.67
7.1.120.0030.01315.89
7.1.110.0000.00815.58
7.1.100.0030.01015.51
7.1.90.0110.00415.63
7.1.80.0040.00815.89
7.1.70.0030.00916.45
7.1.60.0080.01217.45
7.1.50.0070.00925.27
7.1.40.0070.01015.77
7.1.30.0000.00915.64
7.1.20.0090.00615.75
7.1.10.0040.00415.68
7.1.00.0070.04019.01
7.0.330.0070.00615.34
7.0.320.0070.00715.54
7.0.310.0070.01115.22
7.0.300.0060.00615.29
7.0.290.0040.00415.37
7.0.280.0060.00615.32
7.0.270.0060.00915.38
7.0.260.0040.00415.46
7.0.250.0040.00815.57
7.0.240.0000.01415.44
7.0.230.0030.00915.50
7.0.220.0100.00315.47
7.0.210.0030.00615.48
7.0.200.0050.00516.00
7.0.190.0050.00515.50
7.0.180.0040.01115.52
7.0.170.0110.00415.25
7.0.160.0110.00315.29
7.0.150.0000.01015.16
7.0.140.0050.03618.67
7.0.130.0090.00015.36
7.0.120.0030.00615.36
7.0.110.0000.01315.30
7.0.100.0070.00715.55
7.0.90.0350.03917.73
7.0.80.0350.04017.69
7.0.70.0270.03517.75
7.0.60.0290.02817.68
7.0.50.0270.02817.95
7.0.40.0070.04116.78
7.0.30.0080.04516.69
7.0.20.0080.04316.66
7.0.10.0090.03216.72
7.0.00.0030.05016.78
5.6.400.0070.00714.54
5.6.390.0040.00414.42
5.6.380.0060.00314.63
5.6.370.0000.00814.38
5.6.360.0030.01014.45
5.6.350.0060.00314.54
5.6.340.0060.00914.17
5.6.330.0080.00414.46
5.6.320.0000.01214.29
5.6.310.0000.01314.48
5.6.300.0060.00314.04
5.6.290.0110.00414.04
5.6.280.0060.04017.61
5.6.270.0030.01014.48
5.6.260.0080.00014.34
5.6.250.0000.00814.24
5.6.240.0110.00414.24
5.6.230.0080.03517.29
5.6.220.0020.02917.44
5.6.210.0030.03717.37
5.6.200.0090.03517.66
5.6.190.0020.05417.50
5.6.180.0050.02817.56
5.6.170.0080.04117.70
5.6.160.0080.04317.58
5.6.150.0080.04317.65
5.6.140.0060.04917.66
5.6.130.0050.04117.56
5.6.120.0070.04717.64
5.6.110.0040.03217.69
5.6.100.0070.04717.60
5.6.90.0070.03517.78
5.6.80.0070.04117.44
5.6.70.0050.04417.32
5.6.60.0030.04417.25
5.6.50.0100.04517.16
5.6.40.0030.04517.20
5.6.30.0100.04017.32
5.6.20.0070.04417.26
5.6.10.0050.04617.17
5.6.00.0150.03817.30
5.5.380.0060.00914.19
5.5.370.0080.04317.35
5.5.360.0050.04217.24
5.5.350.0070.03717.22
5.5.340.0060.04217.52
5.5.330.0050.04817.68
5.5.320.0070.04517.51
5.5.310.0050.04717.58
5.5.300.0100.02217.31
5.5.290.0040.04417.37
5.5.280.0100.04617.53
5.5.270.0030.04617.50
5.5.260.0070.04917.48
5.5.250.0060.04617.52
5.5.240.0100.03817.28
5.5.230.0070.04017.21
5.5.220.0070.04217.13
5.5.210.0090.02517.27
5.5.200.0100.04417.19
5.5.190.0060.04517.25
5.5.180.0050.03617.07
5.5.170.0110.00414.08
5.5.160.0070.04117.22
5.5.150.0070.04217.12
5.5.140.0070.04416.94
5.5.130.0050.04417.17
5.5.120.0100.03817.17
5.5.110.0080.03517.19
5.5.100.0030.04317.12
5.5.90.0100.03916.94
5.5.80.0070.03617.11
5.5.70.0100.03617.18
5.5.60.0090.04017.02
5.5.50.0050.04517.04
5.5.40.0100.03717.02
5.5.30.0050.04217.01
5.5.20.0110.03916.94
5.5.10.0080.04017.05
5.5.00.0070.04016.94
5.4.450.0030.03015.18
5.4.440.0070.02815.18
5.4.430.0070.03515.19
5.4.420.0050.04115.01
5.4.410.0070.04015.09
5.4.400.0020.02814.92
5.4.390.0070.04215.02
5.4.380.0070.03714.96
5.4.370.0030.02615.00
5.4.360.0060.03914.91
5.4.350.0080.03115.10
5.4.340.0100.03014.96
5.4.330.0030.00610.80
5.4.320.0050.02714.91
5.4.310.0080.03815.06
5.4.300.0040.03215.08
5.4.290.0060.03014.85
5.4.280.0030.02814.92
5.4.270.0120.03215.04
5.4.260.0030.04215.04
5.4.250.0050.04215.05
5.4.240.0080.04014.88
5.4.230.0020.04414.98
5.4.220.0050.04014.87
5.4.210.0050.04115.03
5.4.200.0070.04215.03
5.4.190.0070.03714.73
5.4.180.0070.04014.94
5.4.170.0080.03514.80
5.4.160.0040.04014.94
5.4.150.0030.03214.75
5.4.140.0030.02913.59
5.4.130.0060.02113.43
5.4.120.0080.03813.64
5.4.110.0050.04013.56
5.4.100.0060.03913.56
5.4.90.0050.04013.60
5.4.80.0030.02813.72
5.4.70.0030.04213.63
5.4.60.0160.02813.67
5.4.50.0020.04413.46
5.4.40.0130.02813.76
5.4.30.0030.04013.60
5.4.20.0080.03713.59
5.4.10.0070.03513.54
5.4.00.0100.03513.42
5.3.290.0080.03812.56
5.3.280.0110.03612.42
5.3.270.0070.03712.44
5.3.260.0060.04012.51
5.3.250.0030.04512.45
5.3.240.0050.02312.45
5.3.230.0050.04012.43
5.3.220.0040.03912.41
5.3.210.0030.04312.37
5.3.200.0030.04112.41
5.3.190.0050.04212.40
5.3.180.0050.04112.36
5.3.170.0030.04412.44
5.3.160.0100.03512.48
5.3.150.0060.03812.36
5.3.140.0070.04012.32
5.3.130.0070.04012.40
5.3.120.0050.02712.45
5.3.110.0080.04312.40
5.3.100.0000.04112.13
5.3.90.0070.04012.27
5.3.80.0060.03712.08
5.3.70.0070.04012.11
5.3.60.0020.04012.02
5.3.50.0100.03412.10
5.3.40.0050.03312.11
5.3.30.0030.04412.13
5.3.20.0060.03811.97
5.3.10.0050.02911.95
5.3.00.0030.03211.95
5.2.170.0070.06013.64
5.2.160.0030.06013.64
5.2.150.0030.04313.64
5.2.140.0030.05313.64
5.2.130.0030.04713.64
5.2.120.0030.06013.64
5.2.110.0030.03713.64
5.2.100.0030.06013.64
5.2.90.0030.06013.64
5.2.80.0030.06013.64
5.2.70.0100.05013.64
5.2.60.0070.06013.64
5.2.50.0030.06313.64
5.2.40.0100.05313.64
5.2.30.0100.05313.64
5.2.20.0100.05013.64
5.2.10.0070.06313.64
5.2.00.0030.04713.64
5.1.60.0000.03713.64
5.1.50.0030.05713.64
5.1.40.0070.04713.64
5.1.30.0000.05713.64
5.1.20.0030.04013.64
5.1.10.0030.05013.64
5.1.00.0030.04313.64
5.0.50.0030.04313.64
5.0.40.0000.04713.64
5.0.30.0070.05313.64
5.0.20.0030.03313.64
5.0.10.0030.04313.64
5.0.00.0100.05713.64
4.4.90.0130.02313.64
4.4.80.0030.02313.64
4.4.70.0030.03713.64
4.4.60.0070.03013.64
4.4.50.0030.03313.64
4.4.40.0070.05313.64
4.4.30.0100.02713.64
4.4.20.0000.02013.64
4.4.10.0070.03313.64
4.4.00.0030.04313.64
4.3.110.0030.03713.64
4.3.100.0000.03713.64
4.3.90.0030.03013.64
4.3.80.0030.03313.64
4.3.70.0070.03013.64
4.3.60.0030.03713.64
4.3.50.0030.03713.64
4.3.40.0000.05013.64
4.3.30.0000.03013.64
4.3.20.0000.04013.64
4.3.10.0070.03313.64
4.3.00.0070.03013.64

preferences:
39.89 ms | 400 KiB | 5 Q