3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array_merge(['a', 'b', 'c'],['d', 'e', 'f'])); var_dump(array_merge([0=>'a', 1=>'b', 2=>'c'],[0=>'d', 1=>'e', 2=>'f']));

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)
8.3.60.0120.00616.38
8.3.50.0120.00316.25
8.3.40.0120.00318.42
8.3.30.0110.00418.42
8.3.20.0040.00420.16
8.3.10.0000.00721.82
8.3.00.0040.00417.77
8.2.180.0070.01116.32
8.2.170.0160.00322.96
8.2.160.0110.00419.16
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00720.52
8.2.120.0060.00326.35
8.2.110.0030.00620.89
8.2.100.0070.00417.52
8.2.90.0000.00818.97
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0050.00517.79
8.2.50.0050.00318.10
8.2.40.0040.00420.60
8.2.30.0000.00719.11
8.2.20.0080.00017.89
8.2.10.0030.00618.11
8.2.00.0070.00018.09
8.1.280.0150.00025.92
8.1.270.0040.00423.84
8.1.260.0000.00726.35
8.1.250.0090.00028.09
8.1.240.0060.00324.02
8.1.230.0000.01117.70
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0000.00816.98
8.1.180.0040.00418.10
8.1.170.0080.00518.39
8.1.160.0000.00718.64
8.1.150.0000.00720.06
8.1.140.0030.00619.48
8.1.130.0040.00718.93
8.1.120.0040.00417.21
8.1.110.0040.00417.25
8.1.100.0070.00017.20
8.1.90.0040.00417.35
8.1.80.0030.00517.30
8.1.70.0000.00717.21
8.1.60.0000.00817.43
8.1.50.0000.01117.40
8.1.40.0080.00017.41
8.1.30.0000.00817.34
8.1.20.0080.00017.51
8.1.10.0040.00417.35
8.1.00.0030.00617.30
8.0.300.0080.00418.77
8.0.290.0060.00316.63
8.0.280.0000.00718.17
8.0.270.0050.00217.19
8.0.260.0000.00618.91
8.0.250.0000.00816.72
8.0.240.0000.00716.82
8.0.230.0030.00316.77
8.0.220.0030.00316.63
8.0.210.0000.00716.64
8.0.200.0060.00016.84
8.0.190.0040.00416.68
8.0.180.0070.00016.73
8.0.170.0030.00516.64
8.0.160.0030.00316.82
8.0.150.0070.00016.65
8.0.140.0040.00416.74
8.0.130.0000.00613.13
8.0.120.0000.00716.73
8.0.110.0040.00416.72
8.0.100.0040.00416.60
8.0.90.0070.00016.64
8.0.80.0090.00616.72
8.0.70.0040.00416.76
8.0.60.0050.00216.71
8.0.50.0000.00716.72
8.0.30.0130.00916.93
8.0.20.0080.01217.40
8.0.10.0070.00016.77
8.0.00.0090.01316.50
7.4.330.0030.00315.55
7.4.320.0030.00316.34
7.4.300.0000.00716.36
7.4.290.0030.00316.31
7.4.280.0000.00916.36
7.4.270.0000.00716.54
7.4.260.0060.00316.29
7.4.250.0000.00716.30
7.4.240.0000.00716.26
7.4.230.0030.00316.46
7.4.220.0150.00416.40
7.4.210.0070.00816.43
7.4.200.0050.00316.54
7.4.160.0090.00716.42
7.4.150.0070.01717.40
7.4.140.0090.00917.86
7.4.130.0140.00616.44
7.4.120.0130.01216.39
7.4.110.0070.01016.48
7.4.100.0100.00716.35
7.4.90.0150.01416.42
7.4.80.0040.01519.39
7.4.70.0090.01216.27
7.4.60.0060.01116.29
7.4.50.0030.00916.31
7.4.40.0060.01316.15
7.4.30.0130.00416.40
7.4.00.0040.01414.68
7.3.330.0070.00212.98
7.3.320.0030.00312.97
7.3.310.0030.00316.25
7.3.300.0030.00316.08
7.3.290.0000.00716.14
7.3.280.0100.00716.14
7.3.270.0070.01117.40
7.3.260.0120.00916.23
7.3.250.0090.01016.19
7.3.240.0140.00916.25
7.3.230.0060.01316.18
7.3.210.0130.00316.09
7.3.200.0090.00916.34
7.3.190.0140.01016.43
7.3.180.0030.01216.44
7.3.170.0070.01016.21
7.3.160.0130.00916.26
7.3.120.0080.00615.97
7.3.110.0050.01015.78
7.3.100.0050.01216.03
7.3.90.0070.00615.79
7.3.80.0080.00815.76
7.3.70.0090.00715.81
7.3.60.0030.01215.77
7.3.50.0090.00715.78
7.3.40.0030.01315.90
7.3.30.0090.00515.85
7.3.20.0080.00716.83
7.3.10.0050.00916.82
7.3.00.0050.01116.76
7.2.330.0070.01116.39
7.2.320.0120.00416.33
7.2.310.0110.00916.44
7.2.300.0070.01116.45
7.2.290.0090.00916.33
7.2.240.0060.00815.91
7.2.230.0070.00815.86
7.2.220.0020.01615.98
7.2.210.0090.00315.99
7.2.200.0050.00815.94
7.2.190.0100.00316.00
7.2.180.0050.00516.09
7.2.170.0020.01216.03
7.2.160.0080.00816.01
7.2.150.0080.00416.84
7.2.140.0030.00816.95
7.2.130.0050.00816.95
7.2.120.0070.00716.95
7.2.110.0060.00716.87
7.2.100.0090.00516.90
7.2.90.0050.01216.99
7.2.80.0050.00917.02
7.2.70.0090.00616.92
7.2.60.0050.00816.78
7.2.50.0080.00516.79
7.2.40.0060.00916.92
7.2.30.0100.00517.03
7.2.20.0070.00716.97
7.2.10.0060.00816.96
7.2.00.0080.00816.92
7.1.330.0060.00716.46
7.1.320.0050.00516.34
7.1.310.0070.00716.37
7.1.300.0050.01016.30
7.1.290.0040.00816.40
7.1.280.0050.01116.42
7.1.270.0050.01016.32
7.1.260.0070.00716.27
7.1.250.0070.00616.31
7.1.200.0040.00715.78
7.1.70.0000.01417.05
7.1.60.0040.00817.19
7.1.40.0300.01332.22
7.1.30.0430.01332.26
7.1.20.0470.01332.45
7.1.10.0230.01014.48
7.1.00.0330.00314.82
7.0.200.0070.01016.34
7.0.180.0230.00714.12
7.0.170.0370.01014.18
7.0.160.0300.00713.90
7.0.150.0170.01714.13
7.0.140.0270.00714.32
7.0.130.0400.01314.46
7.0.120.0230.01714.48
7.0.110.0270.00314.30
7.0.100.0230.01014.22
7.0.90.0270.00714.41
7.0.80.0370.00714.26
7.0.70.0270.00714.25
7.0.60.0400.01014.12
7.0.50.0200.01014.39
7.0.40.0300.00314.42
7.0.30.0230.01014.48
7.0.20.0430.01014.40
7.0.10.0370.01014.35
7.0.00.0330.01314.19

preferences:
61.22 ms | 401 KiB | 5 Q