3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a['a'] = array(3 => '123', 5 => '234'); $p = array(6 => '789', 9 => '876'); $a['a'] = array_merge($a['a'], $p); var_dump($a);

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)
8.3.70.0110.00418.05
8.3.60.0090.00916.75
8.3.50.0120.00721.94
8.3.40.0110.00418.54
8.3.30.0090.00618.92
8.3.20.0080.00020.21
8.3.10.0080.00021.73
8.3.00.0080.00019.01
8.2.190.0090.00618.16
8.2.180.0070.01416.63
8.2.170.0170.00318.96
8.2.160.0070.00722.96
8.2.150.0030.00624.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0070.00321.12
8.2.100.0060.00617.63
8.2.90.0060.00319.23
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0030.00517.89
8.2.50.0060.00318.07
8.2.40.0040.00419.73
8.2.30.0000.00717.93
8.2.20.0050.00217.72
8.2.10.0000.00817.97
8.2.00.0000.00817.55
8.1.280.0140.00725.92
8.1.270.0030.00620.43
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.76
8.1.230.0070.00417.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0030.00520.31
8.1.160.0000.00721.90
8.1.150.0000.00718.84
8.1.140.0050.00317.30
8.1.130.0000.00717.81
8.1.120.0020.00517.42
8.1.110.0030.00317.21
8.1.100.0050.00217.41
8.1.90.0000.00717.38
8.1.80.0000.00717.38
8.1.70.0000.00717.29
8.1.60.0060.00317.40
8.1.50.0030.00617.48
8.1.40.0070.00017.34
8.1.30.0040.00417.51
8.1.20.0050.00217.61
8.1.10.0040.00417.36
8.1.00.0030.00817.39
8.0.300.0060.00318.77
8.0.290.0000.00716.63
8.0.280.0050.00218.41
8.0.270.0070.00017.16
8.0.260.0030.00317.12
8.0.250.0060.00016.77
8.0.240.0030.00316.86
8.0.230.0000.00716.88
8.0.220.0040.00416.82
8.0.210.0000.00716.70
8.0.200.0040.00416.85
8.0.190.0110.00016.77
8.0.180.0040.00416.85
8.0.170.0030.00516.74
8.0.160.0040.00416.79
8.0.150.0030.00516.84
8.0.140.0040.00416.73
8.0.130.0050.00313.20
8.0.120.0000.00716.71
8.0.110.0000.00816.88
8.0.100.0040.00416.82
8.0.90.0040.00416.63
8.0.80.0070.01416.77
8.0.70.0030.00516.86
8.0.60.0000.00816.73
8.0.50.0030.00516.93
8.0.30.0110.00917.05
8.0.20.0140.00817.40
8.0.10.0000.00716.93
8.0.00.0070.01116.62
7.4.330.0030.00315.03
7.4.320.0030.00316.51
7.4.300.0030.00316.51
7.4.290.0000.00816.38
7.4.280.0080.00316.46
7.4.270.0040.00416.52
7.4.260.0000.00716.40
7.4.250.0000.00716.40
7.4.240.0020.00616.37
7.4.230.0070.00016.33
7.4.220.0120.00816.43
7.4.210.0040.01116.39
7.4.200.0000.00716.50
7.4.160.0140.00316.39
7.4.150.0090.00917.40
7.4.140.0120.01117.86
7.4.130.0090.00816.46
7.4.120.0070.01016.39
7.4.110.0140.00316.63
7.4.100.0030.01516.44
7.4.90.0140.00316.23
7.4.80.0090.01219.39
7.4.70.0100.00716.40
7.4.60.0070.01016.57
7.4.50.0030.00616.35
7.4.40.0100.01016.41
7.4.30.0110.00616.66
7.4.00.0070.00914.79
7.3.330.0050.00013.10
7.3.320.0130.00013.07
7.3.310.0070.00016.06
7.3.300.0030.00316.20
7.3.290.0000.00616.26
7.3.280.0060.00916.25
7.3.270.0170.00717.40
7.3.260.0090.00816.14
7.3.250.0040.01516.38
7.3.240.0130.01316.20
7.3.230.0070.01616.39
7.3.210.0080.00816.44
7.3.200.0030.01219.39
7.3.190.0060.01016.21
7.3.180.0060.00916.71
7.3.170.0030.01716.42
7.3.160.0090.00816.55
7.3.120.0030.01314.96
7.3.110.0040.00814.65
7.3.100.0150.00014.99
7.3.90.0090.00614.75
7.3.80.0000.01414.71
7.3.70.0060.00614.55
7.3.60.0030.01014.52
7.3.50.0060.00314.92
7.3.40.0100.00714.73
7.3.30.0070.01014.68
7.3.20.0060.00916.63
7.3.10.0090.00616.56
7.3.00.0030.01016.68
7.2.330.0170.00716.43
7.2.320.0070.01416.43
7.2.310.0130.00616.63
7.2.300.0050.01116.71
7.2.290.0140.00416.38
7.2.250.0030.01615.04
7.2.240.0040.01515.05
7.2.230.0070.00414.59
7.2.220.0120.00314.97
7.2.210.0100.00614.72
7.2.200.0040.01114.70
7.2.190.0040.01214.47
7.2.180.0070.00714.93
7.2.170.0040.01414.91
7.2.00.0000.01219.20
7.1.330.0030.01115.73
7.1.320.0030.00615.78
7.1.310.0050.00815.63
7.1.300.0040.00815.68
7.1.290.0030.00915.38
7.1.280.0120.00415.73
7.1.270.0040.01515.73
7.1.260.0090.00315.93
7.1.100.0070.00317.88
7.1.70.0060.00317.26
7.1.60.0090.01619.50
7.1.50.0110.01516.97
7.1.00.0000.08022.35
7.0.200.0540.00014.88
7.0.140.0070.06022.08
7.0.60.0130.07019.93
7.0.50.0130.08017.80
7.0.40.0100.08320.23
7.0.30.0300.07320.17
7.0.20.0400.07020.13
7.0.10.0100.08319.99
7.0.00.0170.05020.20
5.6.280.0030.07321.04
5.6.210.0000.07020.69
5.6.200.0030.07718.09
5.6.190.0100.04720.69
5.6.180.0300.05020.57
5.6.170.0200.07720.34
5.6.160.0130.07720.49
5.6.150.0070.06718.24
5.6.140.0100.03318.22
5.6.130.0070.08018.18
5.6.120.0100.08721.03
5.6.110.0070.08321.10
5.6.100.0000.07020.96
5.6.90.0070.06021.07
5.6.80.0070.08320.40
5.5.350.3570.04020.32
5.5.340.0030.08717.96
5.5.330.0170.06320.38
5.5.320.0100.06720.51
5.5.310.0270.04320.28
5.5.300.0130.07317.92
5.5.290.0130.06018.02
5.5.280.0100.06320.89
5.5.270.0030.06320.79
5.5.260.0030.04020.88
5.5.250.0130.06020.46
5.5.240.0900.04720.34
5.4.450.0200.06719.58
5.4.440.0230.06019.14
5.4.430.0200.05719.55
5.4.420.0230.06719.41
5.4.410.0200.03719.00
5.4.400.0300.06319.13
5.4.390.0230.07019.13
5.4.380.0300.06319.08
5.4.370.0170.04319.16
5.4.360.0230.03719.24
5.4.350.0300.07019.28
5.4.340.0370.06319.13
5.4.320.0300.07019.25
5.4.310.0100.04719.24
5.4.300.0170.04019.03
5.4.290.0300.06718.79
5.4.280.0230.07319.09
5.4.270.0300.04319.16
5.4.260.0270.04719.15
5.4.250.0300.04319.08
5.4.240.0300.04319.12
5.4.230.0200.07318.91
5.4.220.0230.05019.15
5.4.210.0300.06318.78
5.4.200.0330.06719.21
5.4.190.0300.04319.08
5.4.180.0200.03719.08
5.4.170.0270.04719.07
5.4.160.0270.07018.79
5.4.150.0270.05019.06
5.4.140.0370.06016.27
5.4.130.0200.04716.45
5.4.120.0270.04716.17
5.4.110.0300.06316.45
5.4.100.0170.07316.46
5.4.90.0170.03716.41
5.4.80.0170.04016.29
5.4.70.0330.03716.41
5.4.60.0230.06016.33
5.4.50.0300.07016.28
5.4.40.0170.03716.41
5.4.30.0270.06016.47
5.4.20.0270.06316.38
5.4.10.0270.04716.41
5.4.00.0200.03315.60
5.3.290.0230.06014.61
5.3.280.0300.06014.54
5.3.270.0300.06714.48
5.3.260.0270.07314.46
5.3.250.0200.06714.65
5.3.240.0270.05714.48
5.3.230.0270.07314.43
5.3.220.0200.06014.40
5.3.210.0230.04714.59
5.3.200.0230.04014.44
5.3.190.0230.07314.42
5.3.180.0170.04014.51
5.3.170.0270.06714.54
5.3.160.0300.07014.51
5.3.150.0270.04714.40
5.3.140.0230.04714.54
5.3.130.0300.06314.51
5.3.120.0230.06714.52
5.3.110.0270.07314.49
5.3.100.0170.04013.98
5.3.90.0230.07313.96
5.3.80.0270.04014.06
5.3.70.0330.03713.92
5.3.60.0100.04313.84
5.3.50.0200.07713.85
5.3.40.0230.04313.82
5.3.30.0170.06013.89
5.3.20.0270.05713.67
5.3.10.0330.05713.64
5.3.00.0200.03713.51
5.2.170.0100.05711.08
5.2.160.0230.04711.03
5.2.150.0170.06011.23
5.2.140.0100.03711.03
5.2.130.0170.06011.01
5.2.120.0200.04711.12
5.2.110.0170.06011.14
5.2.100.0270.05011.21
5.2.90.0300.02710.95
5.2.80.0570.06011.18
5.2.70.0230.04311.10
5.2.60.0270.03310.88
5.2.50.0130.03711.04
5.2.40.0200.02310.84
5.2.30.0200.05010.85
5.2.20.0270.04010.82
5.2.10.0200.02310.82
5.2.00.0100.03710.68
5.1.60.0170.04310.07
5.1.50.0130.03310.02
5.1.40.0170.03310.02
5.1.30.0200.02310.43
5.1.20.0170.03310.34
5.1.10.0230.04010.04
5.1.00.0170.05710.02
5.0.50.0100.04010.02
5.0.40.0070.04710.02
5.0.30.0030.06010.02
5.0.20.0030.02710.02
5.0.10.0100.04310.02
5.0.00.0130.05710.02
4.4.90.0130.03010.02
4.4.80.0070.03710.02
4.4.70.0030.02010.02
4.4.60.0030.02010.02
4.4.50.0070.03310.02
4.4.40.0100.04710.02
4.4.30.0130.03010.02
4.4.20.0100.02010.02
4.4.10.0130.03010.02
4.4.00.0100.05010.02
4.3.110.0030.03010.02
4.3.100.0030.03310.02
4.3.90.0130.01310.02
4.3.80.0070.04310.02
4.3.70.0100.03310.02
4.3.60.0100.03310.02
4.3.50.0070.02710.02
4.3.40.0130.03010.02
4.3.30.0030.02010.02
4.3.20.0030.03710.02
4.3.10.0030.03010.02
4.3.00.0130.01010.02

preferences:
55.97 ms | 401 KiB | 5 Q