3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ "q" => 10, "w" => 20, "e" => 30, "r" => 40, "t" => 50, "y" => "asdf", "u" => "zxcv", "i" => "lkjh" ]; $b = [ "e" => 77, "r" => 11, "t" => 55, "u" => "www" ]; $c = arra_merge($a, $b); print_r($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)
8.4.120.0030.00620.63
8.4.110.0150.00522.29
8.4.100.0030.00617.84
8.4.90.0110.01118.43
8.4.80.0100.01118.05
8.4.70.0130.00817.96
8.4.60.0110.00818.60
8.4.50.0120.00620.36
8.4.40.0090.00019.81
8.4.30.0160.00617.76
8.4.20.0030.01717.62
8.4.10.0060.00317.64
8.3.250.0090.01118.59
8.3.240.0140.00516.36
8.3.230.0110.00716.84
8.3.220.0060.00217.06
8.3.210.0130.00718.50
8.3.200.0040.00516.76
8.3.190.0060.00217.28
8.3.180.0050.00916.77
8.3.170.0150.00317.05
8.3.160.0100.01020.26
8.3.150.0140.00417.18
8.3.140.0070.00316.97
8.3.130.0000.00818.41
8.3.120.0040.00420.66
8.3.110.0100.00620.94
8.3.100.0000.00924.06
8.3.90.0110.00726.77
8.3.80.0040.00417.97
8.3.70.0190.00318.43
8.3.60.0030.01418.43
8.3.50.0160.00521.20
8.3.40.0110.00418.71
8.3.30.0040.01118.72
8.3.20.0060.00318.78
8.3.10.0030.00521.69
8.3.00.0040.00417.80
8.2.290.0070.00220.40
8.2.280.0130.00618.42
8.2.270.0040.01517.09
8.2.260.0090.00916.48
8.2.250.0080.00016.63
8.2.240.0070.00317.13
8.2.230.0040.00422.58
8.2.220.0000.00837.54
8.2.210.0080.00026.77
8.2.200.0080.00516.63
8.2.190.0040.01216.63
8.2.180.0100.00718.66
8.2.170.0090.00618.89
8.2.160.0030.01022.96
8.2.150.0180.00025.66
8.2.140.0040.00424.66
8.2.130.0080.00020.90
8.2.120.0040.00426.35
8.2.110.0060.00320.53
8.2.100.0030.01017.84
8.2.90.0040.00417.75
8.2.80.0000.00818.92
8.2.70.0060.00317.93
8.2.60.0000.00818.04
8.2.50.0000.00918.10
8.2.40.0080.00420.55
8.2.30.0000.00919.23
8.2.20.0000.00717.54
8.2.10.0050.00218.03
8.2.00.0070.00017.95
8.1.330.0080.01021.77
8.1.320.0110.00816.08
8.1.310.0100.00718.53
8.1.300.0060.00317.76
8.1.290.0000.00930.84
8.1.280.0130.00325.92
8.1.270.0050.00323.79
8.1.260.0050.00328.09
8.1.250.0070.00028.09
8.1.240.0000.01018.74
8.1.230.0110.00020.88
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0040.00418.52
8.1.160.0040.00422.04
8.1.150.0000.00818.82
8.1.140.0020.00519.50
8.1.130.0000.00717.64
8.1.120.0050.00217.36
8.1.110.0000.00717.36
8.1.100.0050.00217.40
8.1.90.0030.00517.35
8.1.80.0000.00817.45
8.1.70.0000.00717.40
8.1.60.0030.00517.49
8.1.50.0080.00017.51
8.1.40.0000.00717.42
8.1.30.0060.00317.68
8.1.20.0000.00817.63
8.1.10.0050.00317.44
8.1.00.0040.00417.41
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0040.00418.28
8.0.270.0000.00717.19
8.0.260.0000.00717.07
8.0.250.0000.00716.92
8.0.240.0030.00316.94
8.0.230.0000.00716.98
8.0.220.0000.00716.75
8.0.210.0040.00416.87
8.0.200.0030.00316.91
8.0.190.0030.00516.86
8.0.180.0040.00416.92
8.0.170.0040.00416.91
8.0.160.0000.00716.95
8.0.150.0030.00516.92
8.0.140.0030.00416.90
8.0.130.0030.00613.39
8.0.120.0040.00416.80
8.0.110.0000.00816.95
8.0.100.0040.00416.84
8.0.90.0030.00516.79
8.0.80.0130.00616.90
8.0.70.0000.00716.75
8.0.60.0000.00716.77
8.0.50.0000.00716.89
8.0.30.0070.01217.27
8.0.20.0150.00817.40
8.0.10.0000.00816.81
8.0.00.0130.00816.71
7.4.330.0020.00215.08
7.4.320.0030.00316.57
7.4.300.0030.00316.54
7.4.290.0030.00316.49
7.4.280.0070.00016.58
7.4.270.0030.00316.42
7.4.260.0030.00516.60
7.4.250.0040.00416.54
7.4.240.0040.00416.35
7.4.230.0040.00416.38
7.4.220.0030.01416.63
7.4.210.0080.01116.70
7.4.200.0070.00016.48
7.4.160.0060.00916.43
7.4.150.0060.01217.40
7.4.140.0080.00917.86
7.4.130.0120.00516.64
7.4.120.0050.01516.65
7.4.110.0120.00416.37
7.4.100.0120.00816.66
7.4.90.0130.01016.33
7.4.80.0070.01019.39
7.4.70.0070.01016.42
7.4.60.0080.00816.59
7.4.50.0030.01016.40
7.4.40.0110.00516.41
7.4.30.0130.00316.60
7.4.00.0070.01014.97
7.3.330.0030.00312.98
7.3.320.0000.00513.19
7.3.310.0030.00316.32
7.3.300.0000.00716.27
7.3.290.0120.00716.22
7.3.280.0090.00816.28
7.3.270.0070.01017.40
7.3.260.0180.00016.46
7.3.250.0110.00816.46
7.3.240.0080.01016.26
7.3.230.0110.00716.39
7.3.210.0120.00616.59
7.3.200.0060.01016.38
7.3.190.0130.00316.23
7.3.180.0040.01516.21
7.3.170.0170.00716.28
7.3.160.0040.01216.36
7.3.120.0000.01514.66
7.3.110.0090.00314.98
7.3.100.0000.01314.66
7.3.90.0030.01114.66
7.3.80.0060.00914.77
7.3.70.0090.00314.63
7.3.60.0070.00714.73
7.3.50.0070.00714.78
7.3.40.0100.00314.40
7.3.30.0090.00614.58
7.3.20.0060.00916.55
7.3.10.0060.00616.48
7.3.00.0030.01016.44
7.2.330.0180.00716.31
7.2.320.0140.00916.20
7.2.310.0120.00416.54
7.2.300.0140.00316.30
7.2.290.0050.01116.60
7.2.240.0000.01215.09
7.2.230.0040.00814.86
7.2.220.0000.01414.74
7.2.210.0090.00614.91
7.2.200.0070.00714.64
7.2.190.0030.01415.04
7.2.180.0000.01214.95
7.2.170.0120.00314.89
7.2.160.0090.00314.63
7.2.150.0030.00716.81
7.2.140.0070.01016.83
7.2.130.0060.00916.76
7.2.120.0060.00716.76
7.2.110.0100.00416.73
7.2.100.0070.00516.82
7.2.90.0030.00816.68
7.2.80.0090.00616.80
7.2.70.0050.01116.80
7.2.60.0070.00716.73
7.2.50.0060.00516.78
7.2.40.0110.00516.76
7.2.30.0070.00616.74
7.2.20.0040.01016.73
7.2.10.0060.00816.72
7.2.00.0040.00817.61
7.1.330.0060.00915.66
7.1.320.0030.00915.69
7.1.310.0060.00315.84
7.1.300.0070.00715.56
7.1.290.0030.01315.70
7.1.280.0040.01215.60
7.1.270.0070.00715.80
7.1.260.0070.00315.77
7.1.250.0060.00615.51
7.1.200.0170.01015.38
7.1.100.0060.00318.00
7.1.70.0090.01217.01
7.1.60.0090.00619.25
7.1.50.0070.01716.93
7.1.00.0070.07322.29
7.0.200.0160.00614.84
7.0.60.0000.08321.84
7.0.50.0270.09320.31
7.0.40.0300.05720.30
7.0.30.0370.07320.29
7.0.20.0170.05720.28
7.0.10.0170.06320.33
7.0.00.0130.06320.30
5.6.280.0000.07721.09
5.6.210.0000.04320.51
5.6.200.0370.09021.07
5.6.190.0470.07021.12
5.6.180.0430.06721.15
5.6.170.0270.06721.03
5.6.160.0130.07021.02
5.6.150.0170.06021.12
5.6.140.0230.06721.03
5.6.130.0170.06721.16
5.6.120.0200.06721.11
5.6.110.0270.06321.04
5.6.100.0170.07721.07
5.6.90.0270.05321.01
5.6.80.0070.07320.50
5.6.70.0230.08320.54
5.6.60.0270.06020.38
5.6.50.0200.05720.60
5.6.40.0200.05720.56
5.6.30.0330.05720.48
5.6.20.0300.05020.36
5.6.10.0230.05320.48
5.6.00.0170.06020.39
5.5.350.4030.04320.32
5.5.340.0430.07020.77
5.5.330.0230.07721.00
5.5.320.0330.05720.95
5.5.310.0300.07020.87
5.5.300.0230.05720.83
5.5.290.0030.09720.95
5.5.280.0170.06320.86
5.5.270.0130.07020.95
5.5.260.0230.05020.70
5.5.250.0170.07020.52
5.5.240.0100.06720.23
5.5.230.0170.08320.26
5.5.220.0230.06320.14
5.5.210.0230.05320.15
5.5.200.0470.04720.35
5.5.190.0200.05720.23
5.5.180.0170.06020.15
5.5.160.0130.06720.16
5.5.150.0330.05020.06
5.5.140.0200.05320.35
5.5.130.0230.06720.39
5.5.120.0230.04720.09
5.5.110.0200.05320.22
5.5.100.0200.05720.18
5.5.90.0230.04720.19
5.5.80.0170.05320.10
5.5.70.0170.06020.01
5.5.60.0230.05019.94
5.5.50.0230.04720.05
5.5.40.0170.05320.06
5.5.30.0170.05720.07
5.5.20.0070.07320.05
5.5.10.0330.05020.08
5.5.00.0400.04020.22

preferences:
27.68 ms | 403 KiB | 5 Q