3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1),2,3); $b = array(1,2,3); $f = array(2,3,4); $c = array_merge($a, $b, $f); $d = array_unique(array_merge(array(array("hola" =>1,"como" => 2, "andas" => 3), array("hola" => 2, "bien" => 3, "vos" => 4)))); var_dump($d);

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)
8.3.60.0070.00716.63
8.3.50.0090.00721.90
8.3.40.0110.00418.60
8.3.30.0070.00719.00
8.3.20.0070.00020.25
8.3.10.0080.00020.36
8.3.00.0060.00319.26
8.2.180.0070.01116.73
8.2.170.0070.01022.96
8.2.160.0070.01020.35
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00420.97
8.2.110.0060.00320.38
8.2.100.0000.01118.09
8.2.90.0050.00219.05
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0040.00417.91
8.2.50.0090.00018.07
8.2.40.0050.00318.09
8.2.30.0030.00619.54
8.2.20.0040.00417.64
8.2.10.0050.00319.91
8.2.00.0040.00417.55
8.1.280.0100.00725.92
8.1.270.0060.00323.82
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0050.00523.84
8.1.230.0070.00319.09
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0000.00917.22
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0000.00818.51
8.1.160.0040.00421.84
8.1.150.0040.00418.77
8.1.140.0040.00417.38
8.1.130.0070.00017.73
8.1.120.0000.00717.43
8.1.110.0040.00417.41
8.1.100.0000.00717.43
8.1.90.0000.00717.30
8.1.80.0070.00017.27
8.1.70.0000.00717.33
8.1.60.0060.00317.39
8.1.50.0000.00917.40
8.1.40.0090.00017.46
8.1.30.0000.00917.55
8.1.20.0000.00817.63
8.1.10.0040.00417.48
8.1.00.0000.00717.23
8.0.300.0000.00718.77
8.0.290.0050.00316.59
8.0.280.0000.00718.42
8.0.270.0030.00317.25
8.0.260.0060.00017.19
8.0.250.0030.00316.84
8.0.240.0000.00816.82
8.0.230.0000.00816.93
8.0.220.0030.00316.79
8.0.210.0000.00816.89
8.0.200.0000.00616.93
8.0.190.0000.00716.91
8.0.180.0040.00416.88
8.0.170.0080.00016.96
8.0.160.0030.00316.86
8.0.150.0070.00016.88
8.0.140.0040.00716.74
8.0.130.0030.00313.35
8.0.120.0040.00416.70
8.0.110.0040.00416.90
8.0.100.0070.00016.93
8.0.90.0000.00716.81
8.0.80.0090.00616.85
8.0.70.0050.00216.84
8.0.60.0050.00216.77
8.0.50.0040.00416.84
8.0.30.0110.00816.95
8.0.20.0130.01017.40
8.0.10.0000.00816.96
8.0.00.0120.00616.61
7.4.330.0000.00615.08
7.4.320.0030.00316.41
7.4.300.0040.00416.43
7.4.290.0000.00716.51
7.4.280.0060.00316.50
7.4.270.0030.00316.54
7.4.260.0070.00016.48
7.4.250.0040.00416.54
7.4.240.0000.00716.48
7.4.230.0030.00316.34
7.4.220.0110.01416.57
7.4.210.0030.01216.51
7.4.200.0000.00716.42
7.4.160.0100.00716.54
7.4.150.0100.01317.40
7.4.140.0090.00817.86
7.4.130.0070.01016.44
7.4.120.0080.01316.29
7.4.110.0110.00616.44
7.4.100.0120.01216.50
7.4.90.0100.00716.30
7.4.80.0180.00019.39
7.4.70.0170.00616.21
7.4.60.0090.00816.46
7.4.50.0040.00416.52
7.4.40.0100.00716.51
7.4.30.0090.01216.60
7.4.00.0060.00914.51
7.3.330.0000.00612.98
7.3.320.0050.00012.93
7.3.310.0000.00816.28
7.3.300.0000.00716.10
7.3.290.0040.01116.37
7.3.280.0080.00716.16
7.3.270.0060.01217.40
7.3.260.0180.00016.16
7.3.250.0110.00816.39
7.3.240.0150.00316.32
7.3.230.0100.00616.39
7.3.210.0070.01016.50
7.3.200.0090.01519.39
7.3.190.0120.00616.18
7.3.180.0100.00616.24
7.3.170.0120.00916.39
7.3.160.0070.00716.53
7.3.00.0080.00816.32
7.2.330.0140.00716.59
7.2.320.0130.01016.46
7.2.310.0100.00716.50
7.2.300.0110.00716.63
7.2.290.0110.00516.32
7.2.130.0110.00416.61
7.2.120.0100.00716.76
7.2.110.0070.00716.51
7.2.100.0110.00416.54
7.2.90.0060.01016.44
7.2.80.0060.00916.72
7.2.70.0110.00716.72
7.2.60.0020.01216.61
7.2.50.0100.01016.50
7.2.40.0070.00816.54
7.2.30.0040.00916.48
7.2.20.0030.01016.63
7.2.10.0070.00716.75
7.2.00.0100.00517.84
7.1.250.0070.00715.70
7.1.240.0100.00615.44
7.1.230.0080.00415.45
7.1.220.0150.00015.93
7.1.210.0030.01015.39
7.1.200.0050.00815.61
7.1.190.0090.00315.76
7.1.180.0090.00615.54
7.1.170.0030.00715.61
7.1.160.0030.00915.64
7.1.150.0090.00615.54
7.1.140.0070.00715.54
7.1.130.0030.00715.35
7.1.120.0060.00915.64
7.1.110.0070.00415.67
7.1.100.0060.00816.73
7.1.90.0130.00515.21
7.1.80.0030.01315.61
7.1.70.0070.00816.31
7.1.60.0100.00917.58
7.1.50.0090.01116.23
7.1.40.0100.00615.59
7.1.30.0060.00915.71
7.1.20.0080.00815.27
7.1.10.0140.00315.71
7.1.00.0120.04618.99
7.0.330.0070.01015.05
7.0.320.0040.01114.88
7.0.310.0070.00715.43
7.0.300.0090.00615.13
7.0.290.0100.00715.26
7.0.280.0150.00015.05
7.0.270.0070.00715.16
7.0.260.0080.00415.18
7.0.250.0120.00414.92
7.0.240.0080.00415.12
7.0.230.0030.00615.00
7.0.220.0110.00414.78
7.0.210.0090.00615.16
7.0.200.0080.00315.75
7.0.190.0040.00815.29
7.0.180.0100.00315.13
7.0.170.0090.00614.90
7.0.160.0030.01014.82
7.0.150.0080.00415.20
7.0.140.0090.03618.49
7.0.130.0110.00715.08
7.0.120.0070.00715.22
7.0.110.0040.00714.95
7.0.100.0070.00715.26
7.0.90.0100.00315.20
7.0.80.0110.00415.18
7.0.70.0070.00715.29
7.0.60.0160.03717.67
7.0.50.0110.03016.39
7.0.40.0060.04316.61
7.0.30.0120.02716.59
7.0.20.0120.03516.63
7.0.10.0100.04216.59
7.0.00.0040.04416.75
5.6.380.0060.00613.88
5.6.370.0060.00614.08
5.6.360.0060.00614.25
5.6.350.0080.00013.76
5.6.340.0050.00513.96
5.6.330.0110.00014.44
5.6.320.0000.00814.07
5.6.310.0030.00714.00
5.6.300.0070.00714.07
5.6.290.0030.01014.23
5.6.280.0020.04317.54
5.6.270.0000.01114.17
5.6.260.0000.01413.94
5.6.250.0030.00614.44
5.6.240.0070.00514.09
5.6.230.0030.00713.79
5.6.220.0090.00313.93
5.6.210.0070.02317.29
5.6.200.0080.03916.20
5.6.190.0070.02317.15
5.6.180.0170.02517.11
5.6.170.0180.02317.17
5.6.160.0100.04117.28
5.6.150.0040.02916.09
5.6.140.0030.04515.96
5.6.130.0030.02716.12
5.6.120.0100.02317.40
5.6.110.0080.04317.43
5.6.100.0080.04317.47
5.6.90.0100.02517.44
5.6.80.0030.02517.31
5.6.70.0040.00414.19
5.6.60.0060.00614.09
5.6.50.0070.00413.86
5.6.40.0080.00413.88
5.6.30.0030.00713.93
5.6.20.0120.00613.77
5.6.10.0040.01714.41
5.6.00.0040.00813.77
5.5.380.0030.00910.54
5.5.370.0030.00710.46
5.5.360.0000.01310.70
5.5.350.0080.04115.40
5.5.340.0040.04214.25
5.5.330.0070.02715.25
5.5.320.0070.02115.45
5.5.310.0120.02515.38
5.5.300.0060.02814.24
5.5.290.0080.01814.29
5.5.280.0090.04315.53
5.5.270.0040.04715.80
5.5.260.0100.04315.76
5.5.250.0030.02415.62
5.5.240.0100.04015.63
5.5.230.0060.00310.57
5.5.220.0000.00710.81
5.5.210.0030.00611.00
5.5.200.0000.00610.98
5.5.190.0030.00310.95
5.5.180.0040.00410.94
5.5.170.0040.00410.95
5.5.160.0040.00410.94
5.5.150.0050.00510.80
5.5.140.0040.00410.86
5.5.130.0030.00310.55
5.5.120.0030.00310.79
5.5.110.0060.00010.95
5.5.100.0060.00310.84
5.5.90.0030.00310.49
5.5.80.0060.00310.59
5.5.70.0080.00010.76
5.5.60.0040.00410.96
5.5.50.0040.00410.62
5.5.40.0100.00010.79
5.5.30.0030.00710.77
5.5.20.0040.00410.58
5.5.10.0040.00710.65
5.5.00.0000.00810.56
5.4.450.0170.02215.10
5.4.440.0080.02114.69
5.4.430.0510.02615.03
5.4.420.0400.03015.05
5.4.410.0320.03114.88
5.4.400.0380.03814.99
5.4.390.0390.03214.93
5.4.380.0180.03214.71
5.4.370.0290.02914.60
5.4.360.0150.03114.67
5.4.350.0140.03014.77
5.4.340.0180.02714.79
5.4.330.0070.00510.99
5.4.320.0090.02011.60
5.4.310.0080.01911.62
5.4.300.0070.02211.57
5.4.290.0060.02111.51
5.4.280.0030.02411.49
5.4.270.0040.02611.35
5.4.260.0090.02011.42
5.4.250.0060.02011.47
5.4.240.0070.01811.38
5.4.230.0050.02411.42
5.4.220.0020.02511.46
5.4.210.0040.02311.40
5.4.200.0080.02311.48
5.4.190.0080.02311.44
5.4.180.0050.02611.45
5.4.170.0040.02111.54
5.4.160.0080.01811.35
5.4.150.0070.01811.30
5.4.140.0030.02211.30
5.4.130.0050.02111.20
5.4.120.0030.02211.24
5.4.110.0070.02011.21
5.4.100.0040.02111.11
5.4.90.0040.02911.29
5.4.80.0070.02111.36
5.4.70.0050.02211.19
5.4.60.0040.02211.23
5.4.50.0040.02011.41
5.4.40.0040.02311.38
5.4.30.0080.01911.33
5.4.20.0080.02311.22
5.4.10.0070.02711.30
5.4.00.0080.01911.01
5.3.290.0080.02511.64
5.3.280.0050.02511.48
5.3.270.0070.02111.65
5.3.260.0090.02511.54
5.3.250.0070.02211.60
5.3.240.0060.02711.48
5.3.230.0060.02311.57
5.3.220.0070.02211.51
5.3.210.0070.02311.55
5.3.200.0060.02211.49
5.3.190.0070.02311.56
5.3.180.0100.02511.52
5.3.170.0080.02111.59
5.3.160.0080.01611.54
5.3.150.0060.02211.60
5.3.140.0030.02311.49
5.3.130.0030.02311.50
5.3.120.0050.02211.49
5.3.110.0040.02211.46
5.3.100.0070.02011.28
5.3.90.0070.02111.17
5.3.80.0070.02111.17
5.3.70.0070.02111.19
5.3.60.0080.02111.27
5.3.50.0060.02311.13
5.3.40.0070.02111.14
5.3.30.0040.02211.17
5.3.20.0050.02111.05
5.3.10.0020.02210.97
5.3.00.0060.02110.97
5.2.170.0020.0199.72
5.2.160.0040.0169.71
5.2.150.0060.0159.72
5.2.140.0050.0179.72
5.2.130.0050.0189.70
5.2.120.0030.0179.70
5.2.110.0050.0169.70
5.2.100.0020.0179.70
5.2.90.0030.0209.70
5.2.80.0060.0149.70
5.2.70.0040.0169.70
5.2.60.0050.0169.67
5.2.50.0040.0189.65
5.2.40.0050.0179.64
5.2.30.0030.0179.63
5.2.20.0050.0159.63
5.2.10.0030.0179.59
5.2.00.0020.0199.52
5.1.60.0050.0129.16
5.1.50.0040.0149.16
5.1.40.0040.0149.15
5.1.30.0030.0159.33
5.1.20.0020.0189.34
5.1.10.0020.0159.20
5.1.00.0060.0149.20
5.0.50.0040.0108.44
5.0.40.0020.0128.37
5.0.30.0010.0198.27
5.0.20.0040.0108.26
5.0.10.0040.0128.25
5.0.00.0040.0168.24
4.4.90.0040.0097.51
4.4.80.0050.0077.50
4.4.70.0020.0117.50
4.4.60.0040.0097.51
4.4.50.0020.0107.51
4.4.40.0030.0157.48
4.4.30.0020.0117.51
4.4.20.0030.0077.55
4.4.10.0010.0107.55
4.4.00.0040.0137.51
4.3.110.0030.0097.46
4.3.100.0010.0107.46
4.3.90.0020.0107.45
4.3.80.0040.0127.42
4.3.70.0020.0097.44
4.3.60.0040.0077.44
4.3.50.0020.0107.44
4.3.40.0020.0147.39
4.3.30.0040.0076.77
4.3.20.0020.0096.76
4.3.10.0020.0106.74
4.3.00.0050.00812.09

preferences:
44.06 ms | 401 KiB | 5 Q