3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 'a', 'c' => 'ca'); $b = array('b' => 'b', 'c' => 'cb'); var_dump(array_merge($a, $b));

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)
8.3.60.0160.00318.18
8.3.50.0200.00821.95
8.3.40.0100.00718.53
8.3.30.0090.00618.87
8.3.20.0070.00020.21
8.3.10.0040.00422.08
8.3.00.0050.00222.39
8.2.180.0070.00716.38
8.2.170.0100.01022.96
8.2.160.0110.00320.81
8.2.150.0040.00424.18
8.2.140.0050.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00417.75
8.2.110.0080.01221.18
8.2.100.0080.00417.84
8.2.90.0050.00319.23
8.2.80.0030.00617.97
8.2.70.0080.00017.50
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0000.00817.80
8.2.30.0000.00718.11
8.2.20.0040.00417.64
8.2.10.0070.00017.67
8.2.00.0050.00317.48
8.1.280.0060.00925.92
8.1.270.0040.00422.20
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00621.43
8.1.230.0080.00317.42
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.10
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0000.00721.94
8.1.150.0000.00718.48
8.1.140.0030.00517.41
8.1.130.0070.00017.76
8.1.120.0030.00617.35
8.1.110.0000.00717.38
8.1.100.0030.00517.29
8.1.90.0030.00517.36
8.1.80.0040.00417.40
8.1.70.0030.00317.40
8.1.60.0030.00617.52
8.1.50.0000.00817.44
8.1.40.0000.00817.46
8.1.30.0040.00417.48
8.1.20.0040.00417.58
8.1.10.0040.00417.47
8.1.00.0050.00217.26
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0000.00718.43
8.0.270.0080.00017.24
8.0.260.0000.00716.66
8.0.250.0000.00716.91
8.0.240.0080.00316.81
8.0.230.0030.00316.85
8.0.220.0000.00716.71
8.0.210.0070.00016.88
8.0.200.0000.00716.92
8.0.190.0030.00316.91
8.0.180.0040.00316.88
8.0.170.0050.00316.84
8.0.160.0040.00416.65
8.0.150.0030.00316.80
8.0.140.0040.00316.66
8.0.130.0030.00313.31
8.0.120.0060.00316.73
8.0.110.0040.00416.76
8.0.100.0040.00416.75
8.0.90.0050.00316.85
8.0.80.0110.00716.78
8.0.70.0020.00516.78
8.0.60.0000.00816.92
8.0.50.0000.00716.76
8.0.30.0110.00817.07
8.0.20.0090.00917.40
8.0.10.0040.00416.88
8.0.00.0080.01016.74
7.4.330.0060.00015.00
7.4.320.0030.00316.45
7.4.300.0000.00616.51
7.4.290.0030.00316.36
7.4.280.0050.00216.54
7.4.270.0040.00416.52
7.4.260.0000.00716.43
7.4.250.0000.00716.40
7.4.240.0040.00316.49
7.4.230.0030.00316.55
7.4.220.0040.01516.32
7.4.210.0100.00616.46
7.4.200.0030.00316.43
7.4.190.0030.00316.41
7.4.160.0130.00316.59
7.4.150.0130.00617.40
7.4.140.0130.00517.86
7.4.130.0160.00716.35
7.4.120.0100.00916.40
7.4.110.0040.01916.55
7.4.100.0090.00916.39
7.4.90.0090.00916.23
7.4.80.0140.00719.39
7.4.70.0060.01016.38
7.4.60.0070.01016.47
7.4.50.0040.00416.11
7.4.40.0140.00322.77
7.4.30.0070.01016.36
7.4.00.0050.01114.60
7.3.330.0000.00613.02
7.3.320.0050.00012.95
7.3.310.0080.00016.07
7.3.300.0030.00316.15
7.3.290.0100.01016.09
7.3.280.0100.00816.16
7.3.270.0100.00717.40
7.3.260.0040.01216.55
7.3.250.0100.01016.13
7.3.240.0080.01216.15
7.3.230.0150.00616.39
7.3.210.0140.00316.18
7.3.200.0060.01219.39
7.3.190.0100.00716.22
7.3.180.0090.00616.13
7.3.170.0040.01216.33
7.3.160.0070.00716.37
7.3.120.0020.01514.67
7.3.110.0070.00714.54
7.3.100.0000.00814.53
7.3.90.0100.00314.54
7.3.80.0040.01214.77
7.3.70.0040.01114.52
7.3.60.0090.00614.69
7.3.50.0070.00714.63
7.3.40.0070.00714.43
7.3.30.0040.00714.66
7.3.20.0100.00316.54
7.3.10.0030.00616.52
7.3.00.0000.01516.40
7.2.330.0140.00316.41
7.2.320.0130.01016.35
7.2.310.0100.01016.46
7.2.300.0030.01316.32
7.2.290.0110.00516.33
7.2.250.0020.01614.91
7.2.240.0100.01015.07
7.2.230.0030.01215.03
7.2.220.0060.00614.93
7.2.210.0120.00614.72
7.2.200.0070.00714.98
7.2.190.0080.00414.96
7.2.180.0000.01514.90
7.2.170.0080.00414.58
7.2.00.0150.00819.15
7.1.330.0030.01015.84
7.1.320.0070.00415.56
7.1.310.0100.00715.59
7.1.300.0030.01215.65
7.1.290.0030.01315.59
7.1.280.0060.00315.70
7.1.270.0040.01115.54
7.1.260.0110.00415.47
7.1.200.0030.00815.69
7.1.100.0070.00418.13
7.1.70.0030.00716.97
7.1.60.0100.01319.82
7.1.50.0060.00616.95
7.1.00.0030.07322.51
7.0.200.0060.00616.70
7.0.140.0030.07321.90
7.0.60.0130.07720.02
7.0.50.0000.04717.85
7.0.40.0130.08320.28
7.0.30.0530.07720.09
7.0.20.0230.08020.33
7.0.10.0270.07720.21
7.0.00.0130.04020.11
5.6.280.0030.07321.03
5.6.210.0100.07720.54
5.6.200.0070.05318.19
5.6.190.0030.09020.48
5.6.180.2770.02720.38
5.6.170.0330.05320.50
5.6.160.0070.05320.46
5.6.150.0030.04018.15
5.6.140.0100.06718.20
5.6.130.0100.08018.21
5.6.120.0030.04320.89
5.6.110.0100.08720.93
5.6.100.0130.07720.98
5.6.90.0170.07320.95
5.6.80.0100.05720.34
5.6.70.0200.04320.36
5.5.350.0070.08020.48
5.5.340.0030.07717.93
5.5.330.0030.04320.06
5.5.320.0230.08020.21
5.5.310.0330.03320.30
5.5.300.0170.07717.95
5.5.290.0130.06718.02
5.5.280.0070.03720.88
5.5.270.0130.08320.83
5.5.260.0100.08020.86
5.5.250.0100.08320.79
5.5.240.0030.08020.25
5.4.450.1000.06019.48
5.4.440.0670.04019.48
5.4.430.0170.05319.25
5.4.420.0130.05019.68
5.4.410.0070.05718.70
5.4.400.0200.06318.73
5.4.390.0130.05018.68
5.4.380.0170.06018.65
5.4.370.0070.03718.61
5.4.360.0200.04318.57
5.4.350.0050.03611.97
5.4.340.0060.04111.97
5.4.320.0050.03812.45
5.4.310.0100.05112.45
5.4.300.0050.03712.45
5.4.290.0080.03712.45
5.4.280.0060.03512.34
5.4.270.0070.06018.98
5.4.260.0030.06018.91
5.4.250.0130.05019.03
5.4.240.0170.06018.97
5.4.230.0170.06719.07
5.4.220.0000.07018.91
5.4.210.0070.06318.76
5.4.200.0100.07018.98
5.4.190.0070.06018.96
5.4.180.0070.07318.87
5.4.170.0100.06019.07
5.4.160.0100.07318.96
5.4.150.0270.05719.00
5.4.140.0170.04716.28
5.4.130.0130.06716.53
5.4.120.0100.07716.26
5.4.110.0100.06316.48
5.4.100.0230.05316.63
5.4.90.0170.06016.56
5.4.80.0100.05716.58
5.4.70.0070.05316.34
5.4.60.0130.05016.46
5.4.50.0200.06316.53
5.4.40.0170.04716.54
5.4.30.0130.05016.48
5.4.20.0030.06016.52
5.4.10.0200.05316.59
5.4.00.0270.04316.00
5.3.290.0100.05212.80
5.3.280.0130.05314.70
5.3.270.0100.06314.59
5.3.260.0130.05014.72
5.3.250.0030.06314.59
5.3.240.0130.04714.42
5.3.230.0130.05014.59
5.3.220.0200.06014.70
5.3.210.0200.07714.56
5.3.200.0130.05014.73
5.3.190.0070.06014.55
5.3.180.0170.06014.60
5.3.170.0100.06314.62
5.3.160.0130.06714.70
5.3.150.0100.05714.72
5.3.140.0030.05714.72
5.3.130.0100.08014.54
5.3.120.0170.05314.71
5.3.110.0170.05014.71
5.3.100.0100.07314.18
5.3.90.0100.05314.11
5.3.80.0130.05014.08
5.3.70.0100.06314.09
5.3.60.0100.05714.05
5.3.50.0100.05313.75
5.3.40.0200.05313.93
5.3.30.0370.06313.89
5.3.20.0030.06313.88
5.3.10.0070.05713.46
5.3.00.0170.06013.63
5.2.170.0130.04711.39
5.2.160.0070.04311.20
5.2.150.0030.06311.07
5.2.140.0030.04311.25
5.2.130.0200.04011.08
5.2.120.0100.04311.22
5.2.110.0130.05010.91
5.2.100.0170.03711.08
5.2.90.0030.05311.32
5.2.80.0100.05711.31
5.2.70.0130.04311.07
5.2.60.0070.06011.20
5.2.50.0130.04310.95
5.2.40.0030.05710.98
5.2.30.0100.04311.08
5.2.20.0130.04711.00
5.2.10.0100.04310.96
5.2.00.0030.04310.70
5.1.60.0030.04710.30
5.1.50.0070.03710.28
5.1.40.0130.03310.00
5.1.30.0170.04010.32
5.1.20.0200.03710.49
5.1.10.0100.03710.14
5.1.00.0000.05310.38
5.0.50.0030.0308.73
5.0.40.0070.0408.45
5.0.30.0070.0578.49
5.0.20.0100.0308.41
5.0.10.0070.0278.04
5.0.00.0070.0508.41
4.4.90.0000.0276.17
4.4.80.0100.0206.17
4.4.70.0030.0336.17
4.4.60.0000.0336.17
4.4.50.0000.0336.17
4.4.40.0030.0336.17
4.4.30.0030.0276.17
4.4.20.0070.0236.21
4.4.10.0100.0236.21
4.4.00.0070.0406.21
4.3.110.0030.0236.21
4.3.100.0070.0276.21
4.3.90.0030.0306.21
4.3.80.0030.0376.21
4.3.70.0030.0336.21
4.3.60.0070.0236.21
4.3.50.0030.0306.21
4.3.40.0000.0376.21
4.3.30.0000.0306.21
4.3.20.0070.0206.21
4.3.10.0030.0276.21
4.3.00.0030.0207.27

preferences:
69.77 ms | 400 KiB | 5 Q