3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1 => "abc", 2 => "def"]; $b = [1 => "ghi", 2 => "jkl"]; $c = [1 => "mno", 2 => "pqr"]; var_export($a + $b + $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)
8.5.00.0110.01119.73
8.4.150.0020.00114.05
8.4.140.0110.00917.56
8.4.130.0050.00517.84
8.4.120.0110.01020.45
8.4.110.0120.00822.50
8.4.100.0040.00617.78
8.4.90.0140.00718.74
8.4.80.0040.00417.64
8.4.70.0160.00517.48
8.4.60.0130.00720.52
8.4.50.0070.01319.16
8.4.40.0090.00919.11
8.4.30.0170.00320.10
8.4.20.0140.00719.72
8.4.10.0000.00919.26
8.3.280.0070.01218.29
8.3.270.0100.01016.48
8.3.260.0090.01016.61
8.3.250.0110.00718.79
8.3.240.0060.01016.50
8.3.230.0130.00616.39
8.3.220.0060.00117.14
8.3.210.0150.00716.66
8.3.200.0040.00416.69
8.3.190.0090.01016.81
8.3.180.0050.00318.14
8.3.170.0130.00717.38
8.3.160.0070.01318.34
8.3.150.0180.00017.16
8.3.140.0110.00317.18
8.3.130.0080.00018.38
8.3.120.0060.00918.54
8.3.110.0030.01320.94
8.3.100.0030.00624.06
8.3.90.0050.00526.77
8.3.80.0030.00616.75
8.3.70.0190.00316.58
8.3.60.0150.00018.31
8.3.50.0120.00320.20
8.3.40.0030.01219.09
8.3.30.0090.00618.97
8.3.20.0050.00224.18
8.3.10.0040.00424.66
8.3.00.0070.00026.16
8.2.290.0140.00420.49
8.2.280.0100.00818.97
8.2.270.0140.00416.33
8.2.260.0070.00717.14
8.2.250.0080.00016.71
8.2.240.0000.00917.07
8.2.230.0100.01322.58
8.2.220.0030.01737.54
8.2.210.0120.00326.77
8.2.200.0060.00316.38
8.2.190.0100.00716.58
8.2.180.0070.00725.92
8.2.170.0150.00018.79
8.2.160.0120.00422.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0080.00026.16
8.2.110.0100.01019.19
8.2.100.0040.00817.78
8.2.90.0040.00418.09
8.2.80.0030.00617.97
8.2.70.0030.00517.63
8.2.60.0000.00817.63
8.2.50.0080.00017.91
8.2.40.0040.00417.78
8.2.30.0040.00418.06
8.2.20.0000.00720.30
8.2.10.0000.00717.68
8.2.00.0040.00419.05
8.1.330.0120.00721.95
8.1.320.0060.00216.11
8.1.310.0150.00418.53
8.1.300.0130.00319.71
8.1.290.0090.00030.84
8.1.280.0070.00725.92
8.1.270.0020.00523.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0120.00020.68
8.1.230.0040.00822.82
8.1.220.0050.00317.74
8.1.210.0080.00018.90
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0050.00518.10
8.1.170.0090.00417.62
8.1.160.0070.00018.78
8.1.150.0040.00418.63
8.1.140.0040.00417.43
8.1.130.0000.00718.82
8.1.120.0000.00717.39
8.1.110.0040.00417.40
8.1.100.0040.00417.30
8.1.90.0000.00717.43
8.1.80.0040.00417.38
8.1.70.0030.00317.37
8.1.60.0030.00617.58
8.1.50.0080.00017.34
8.1.40.0000.00817.43
8.1.30.0140.00517.45
8.1.20.0230.00617.58
8.1.10.0150.01317.43
8.1.00.0210.00517.27
8.0.300.0040.00419.95
8.0.290.0100.00016.63
8.0.280.0000.00718.44
8.0.270.0030.00316.75
8.0.260.0000.00718.29
8.0.250.0040.00416.94
8.0.240.0000.00816.93
8.0.230.0040.00416.99
8.0.220.0000.00716.87
8.0.210.0000.00716.89
8.0.200.0080.00016.81
8.0.190.0040.00417.00
8.0.180.0030.00316.95
8.0.170.0000.00916.79
8.0.160.0200.00316.83
8.0.150.0160.00716.76
8.0.140.0180.00616.77
8.0.130.0160.00716.88
8.0.120.0190.00516.80
8.0.110.0220.00116.88
8.0.100.0210.00416.83
8.0.90.0200.00516.82
8.0.80.0170.00616.93
8.0.70.0190.00416.79
8.0.60.0170.00816.90
8.0.50.0200.00416.86
8.0.30.0160.00516.81
8.0.20.0230.00016.95
8.0.10.0190.00616.92
7.4.330.0030.00315.55
7.4.320.0030.00316.43
7.4.300.0000.00616.59
7.4.290.0070.00016.38
7.4.280.0160.00916.34
7.4.270.0220.00316.50
7.4.260.0200.00716.47
7.4.250.0190.00516.38
7.4.240.0190.00616.36
7.4.230.0210.00416.51
7.4.220.0170.00616.54
7.4.210.0170.00616.50
7.4.200.0170.00216.51
7.4.190.0130.00516.43
7.4.180.0160.00416.45
7.4.160.0110.00616.35
7.4.150.0110.00916.43
7.4.140.0160.00416.25
7.4.130.0140.00416.37
7.4.120.0170.00416.31
7.4.110.0090.01016.30
7.4.100.0140.00616.52
7.4.90.0100.00716.34
7.4.80.0130.00516.34
7.4.70.0150.00516.33
7.4.60.0130.00616.26
7.4.50.0180.00216.22
7.4.40.0170.00316.08
7.4.30.0170.00216.35
7.4.20.0120.00716.30
7.4.10.0190.00116.36
7.4.00.0110.00816.32

preferences:
44.68 ms | 403 KiB | 5 Q