3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'a' => 'Bonjour', 'b' => 'Aurev', ); $b = array( 'a' => 'A', 'b' => 'B', 'c' => 'Tcho', ); $c = array_merge($a, $b); var_dump($c);

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)
8.3.60.0040.01118.31
8.3.50.0130.00717.21
8.3.40.0060.00918.57
8.3.30.0060.00918.42
8.3.20.0040.00418.61
8.3.10.0060.00318.48
8.3.00.0000.00819.26
8.2.180.0090.00616.50
8.2.170.0120.00622.96
8.2.160.0090.00918.57
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0060.00326.16
8.2.120.0040.00420.86
8.2.110.0030.00621.04
8.2.100.0030.01017.71
8.2.90.0060.00319.28
8.2.80.0000.00917.97
8.2.70.0050.00317.25
8.2.60.0050.00319.63
8.2.50.0050.00517.80
8.2.40.0080.00019.23
8.2.30.0000.00917.54
8.2.20.0030.00517.60
8.2.10.0050.00217.77
8.2.00.0040.00417.67
8.1.280.0000.01525.92
8.1.270.0090.00023.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0080.00021.30
8.1.230.0110.00020.88
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0090.00017.22
8.1.190.0060.00317.22
8.1.180.0000.00818.10
8.1.170.0030.00517.62
8.1.160.0040.00418.93
8.1.150.0000.00818.55
8.1.140.0030.00617.25
8.1.130.0000.00719.11
8.1.120.0040.00417.28
8.1.110.0040.00417.41
8.1.100.0040.00417.30
8.1.90.0000.00717.28
8.1.80.0000.00717.38
8.1.70.0040.00417.35
8.1.60.0030.00517.46
8.1.50.0040.00417.42
8.1.40.0000.00817.34
8.1.30.0030.00617.49
8.1.20.0030.00517.64
8.1.10.0070.00017.52
8.1.00.0060.00317.41
8.0.300.0070.00018.77
8.0.290.0100.00016.58
8.0.280.0030.00618.47
8.0.270.0000.00717.25
8.0.260.0040.00416.69
8.0.250.0030.00516.86
8.0.240.0050.00216.77
8.0.230.0000.00716.91
8.0.220.0040.00416.71
8.0.210.0000.00716.80
8.0.200.0000.00716.74
8.0.190.0000.00716.77
8.0.180.0040.00716.90
8.0.170.0040.00416.72
8.0.160.0080.00016.80
8.0.150.0060.00316.60
8.0.140.0050.00316.82
8.0.130.0030.00313.18
8.0.120.0030.00516.84
8.0.110.0000.00816.88
8.0.100.0050.00216.86
8.0.90.0030.00516.86
8.0.80.0060.00916.74
8.0.70.0080.00016.88
8.0.60.0000.00916.76
8.0.50.0030.00616.70
8.0.30.0060.00917.05
8.0.20.0110.00816.98
8.0.10.0040.00417.00
8.0.00.0100.00816.64
7.4.330.0000.00512.93
7.4.320.0030.00316.46
7.4.300.0000.00716.37
7.4.290.0040.00416.57
7.4.280.0000.00716.35
7.4.270.0000.00716.53
7.4.260.0030.00313.31
7.4.250.0000.00916.33
7.4.240.0000.00616.43
7.4.230.0030.00616.50
7.4.220.0140.00716.34
7.4.210.0100.01016.46
7.4.200.0000.00716.59
7.4.190.0070.00016.41
7.4.160.0150.00016.39
7.4.150.0030.01416.39
7.4.140.0100.00716.27
7.4.130.0180.00616.39
7.4.120.0040.01416.28
7.4.110.0120.00416.19
7.4.100.0120.00416.39
7.4.90.0120.00616.45
7.4.80.0110.00719.39
7.4.70.0110.00416.50
7.4.60.0100.00616.47
7.4.50.0050.00016.05
7.4.40.0000.01516.33
7.4.30.0110.00816.14
7.4.00.0060.01014.80
7.3.330.0050.00312.93
7.3.320.0060.00013.09
7.3.310.0030.00315.96
7.3.300.0040.00416.16
7.3.290.0090.00516.21
7.3.280.0100.00616.13
7.3.270.0060.01216.11
7.3.260.0100.00716.13
7.3.250.0150.00816.32
7.3.240.0120.00616.46
7.3.230.0110.00516.20
7.3.210.0110.00616.15
7.3.200.0090.00916.46
7.3.190.0100.00616.43
7.3.180.0040.01116.29
7.3.170.0050.01116.33
7.3.160.0030.01316.29
7.3.120.0060.00614.72
7.2.330.0130.00316.55
7.2.320.0130.01116.48
7.2.310.0060.01216.57
7.2.300.0090.00916.33
7.2.290.0130.01016.44
7.1.100.0310.00617.06
7.1.70.0080.00017.13
7.1.60.0110.01419.30
7.1.50.0170.00716.74
7.1.00.0070.03022.57
7.0.200.0030.00316.35
7.0.140.0070.09321.98
7.0.120.0000.07722.09
7.0.60.0100.07720.02
7.0.50.0070.04717.89
7.0.40.0130.06320.27
7.0.30.0370.06020.13
7.0.20.0300.07319.99
7.0.10.0030.08720.20
7.0.00.0070.08320.18
5.6.210.0070.08020.70
5.6.200.0030.09018.15
5.6.190.0100.08720.45
5.6.180.0270.08020.67
5.6.170.0270.03020.35
5.6.160.0100.07720.46
5.6.150.0170.07318.18
5.6.140.0030.07718.15
5.6.130.0030.08718.21
5.6.120.0100.04021.13
5.6.110.0030.08321.02
5.6.100.0130.03020.99
5.6.90.0070.05720.98
5.6.80.0100.07720.40
5.5.350.3670.03020.45
5.5.340.0100.04317.96
5.5.330.0130.08320.38
5.5.320.0270.04020.24
5.5.310.0100.04720.30
5.5.300.0100.04318.01
5.5.290.0100.06317.95
5.5.280.0070.05320.76
5.5.270.0030.04720.86
5.5.260.0030.06720.75
5.5.250.0170.07720.45
5.5.240.0300.07020.25
5.4.450.0330.07719.48
5.4.440.0300.08019.24
5.4.430.0270.06319.55
5.4.420.0300.07019.54
5.4.410.0270.08319.27
5.4.400.0300.07019.25
5.4.390.0300.04718.80
5.4.380.0330.06018.75
5.4.370.0300.03719.11
5.4.360.0270.03319.09
5.4.350.0430.05018.80
5.4.340.0370.06019.25
5.4.320.0130.05018.90
5.4.310.0270.04019.08
5.4.300.0230.03719.21
5.4.290.0170.04019.09
5.4.280.0170.04019.12
5.4.270.0100.04319.11
5.4.260.0230.04319.09
5.4.250.0230.03719.07
5.4.240.0300.07018.78
5.4.230.0230.03719.07
5.4.220.0270.04719.15
5.4.210.0270.05719.08
5.4.200.0200.03719.15
5.4.190.0230.04019.12
5.4.180.0170.04019.04
5.4.170.0200.03719.04
5.4.160.0230.03319.21
5.4.150.0300.03019.07
5.4.140.0200.04016.38
5.4.130.0200.03716.21
5.4.120.0200.03316.16
5.4.110.0200.03316.41
5.4.100.0200.03716.41
5.4.90.0170.03316.49
5.4.80.0230.03316.32
5.4.70.0200.03316.39
5.4.60.0200.03716.28
5.4.50.0230.04316.03
5.4.40.0270.05016.16
5.4.30.0270.06316.43
5.4.20.0370.06016.36
5.4.10.0330.07016.39
5.4.00.0230.05015.63
5.3.290.0200.03714.52
5.3.280.0370.02314.43
5.3.270.0270.03014.50
5.3.260.0200.03714.56
5.3.250.0200.03714.51
5.3.240.0200.03714.70
5.3.230.0230.03714.53
5.3.220.0130.04014.66
5.3.210.0170.04014.44
5.3.200.0270.03314.39
5.3.190.0130.04014.36
5.3.180.0230.03014.47
5.3.170.0170.04014.50
5.3.160.0300.06714.40
5.3.150.0370.06014.59
5.3.140.0370.06014.43
5.3.130.0270.07714.39
5.3.120.0300.07314.49
5.3.110.0300.07314.64
5.3.100.0330.04713.89
5.3.90.0300.07014.05
5.3.80.0270.04013.92
5.3.70.0230.04013.89
5.3.60.0370.05013.82
5.3.50.0300.06013.89
5.3.40.0330.06313.99
5.3.30.0230.05713.69
5.3.20.0400.06013.78
5.3.10.0370.06013.49
5.3.00.0300.07013.49
5.2.170.0270.06011.63
5.2.160.0170.04311.63
5.2.150.0270.03311.63
5.2.140.0300.05311.63
5.2.130.0270.06011.63
5.2.120.0300.05311.63
5.2.110.0270.04711.63
5.2.100.0230.05711.63
5.2.90.0230.04311.63
5.2.80.0200.03711.63
5.2.70.0300.04711.63
5.2.60.0300.04011.63
5.2.50.0230.05011.63
5.2.40.0200.06011.63
5.2.30.0270.05711.63
5.2.20.0270.05711.63
5.2.10.0170.05311.63
5.2.00.0200.03011.63
5.1.60.0130.03311.63
5.1.50.0170.02311.63
5.1.40.0300.02711.63
5.1.30.0330.03711.63
5.1.20.0230.05011.63
5.1.10.0200.04011.63
5.1.00.0130.03311.63
5.0.50.0130.02711.63
5.0.40.0170.03711.63
5.0.30.0130.05311.63
5.0.20.0100.04311.63
5.0.10.0100.02711.63
5.0.00.0070.03311.63
4.4.90.0130.03311.63
4.4.80.0100.03311.63
4.4.70.0130.01711.63
4.4.60.0130.03311.63
4.4.50.0030.02311.63
4.4.40.0100.02311.63
4.4.30.0130.03011.63
4.4.20.0100.03011.63
4.4.10.0130.02311.63
4.4.00.0130.04011.63
4.3.110.0070.03311.63
4.3.100.0170.02311.63
4.3.90.0130.02011.63
4.3.80.0070.04311.63
4.3.70.0100.01311.63
4.3.60.0100.03711.63
4.3.50.0070.02311.63
4.3.40.0100.03011.63
4.3.30.0030.03011.63
4.3.20.0070.02311.63
4.3.10.0030.02311.63
4.3.00.0070.01711.63

preferences:
66.67 ms | 401 KiB | 5 Q