3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = ['aaa', 'bbb']; $val = [123,'dddd']; $arr = array_combine($keys,$val); var_dump($arr);

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)
8.3.60.0120.00318.55
8.3.50.0100.00718.08
8.3.40.0040.01218.42
8.3.30.0090.00618.45
8.3.20.0070.00018.96
8.3.10.0080.00023.57
8.3.00.0030.00520.55
8.2.180.0140.00718.14
8.2.170.0000.01622.96
8.2.160.0070.00722.07
8.2.150.0070.00025.66
8.2.140.0060.00324.66
8.2.130.0070.00019.59
8.2.120.0030.00626.35
8.2.110.0030.00619.35
8.2.100.0070.00417.55
8.2.90.0000.00817.63
8.2.80.0080.00018.93
8.2.70.0000.00817.90
8.2.60.0050.00317.91
8.2.50.0050.00318.10
8.2.40.0070.00019.30
8.2.30.0050.00219.18
8.2.20.0040.00418.04
8.2.10.0040.00417.98
8.2.00.0030.00617.64
8.1.270.0070.00020.62
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.01022.17
8.1.230.0080.00322.05
8.1.220.0020.00517.79
8.1.210.0030.00518.77
8.1.200.0060.00317.22
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0040.00418.37
8.1.160.0000.00818.72
8.1.150.0080.00018.81
8.1.140.0000.00722.21
8.1.130.0030.00320.26
8.1.120.0030.00317.28
8.1.110.0030.00517.29
8.1.100.0000.00717.28
8.1.90.0000.00817.27
8.1.80.0000.00817.37
8.1.70.0030.00317.43
8.1.60.0040.00417.41
8.1.50.0060.00317.46
8.1.40.0030.00517.34
8.1.30.0000.00817.50
8.1.20.0000.00717.54
8.1.10.0000.00817.32
8.1.00.0000.00717.26
8.0.300.0000.00818.77
8.0.290.0060.00316.75
8.0.280.0050.00318.37
8.0.270.0030.00317.19
8.0.260.0070.00018.38
8.0.250.0000.00716.90
8.0.240.0030.00516.87
8.0.230.0030.00316.88
8.0.220.0000.00716.78
8.0.210.0070.00016.82
8.0.200.0070.00016.89
8.0.190.0040.00416.88
8.0.180.0040.00416.80
8.0.170.0050.00316.88
8.0.160.0000.00716.71
8.0.150.0040.00416.75
8.0.140.0070.00016.74
8.0.130.0000.00513.20
8.0.120.0040.00416.81
8.0.110.0000.00816.79
8.0.100.0050.00316.75
8.0.90.0000.00816.63
8.0.80.0090.00616.77
8.0.70.0050.00216.70
8.0.60.0050.00216.89
8.0.50.0030.00516.72
8.0.30.0080.01017.15
8.0.20.0110.00717.40
8.0.10.0040.00416.91
8.0.00.0130.00716.71
7.4.330.0020.00215.55
7.4.320.0000.00716.46
7.4.300.0000.00616.44
7.4.290.0030.00316.44
7.4.280.0100.00316.44
7.4.270.0030.00316.53
7.4.260.0030.00316.56
7.4.250.0000.00816.50
7.4.240.0070.00016.39
7.4.230.0070.00016.31
7.4.220.0060.00316.42
7.4.210.0080.00916.46
7.4.200.0000.00716.46
7.4.160.0090.00816.38
7.4.140.0120.01017.86
7.4.130.0040.01316.59
7.4.120.0090.00816.45
7.4.110.0080.00816.33
7.4.100.0080.00816.48
7.4.90.0040.01616.37
7.4.80.0030.02019.39
7.4.70.0060.01016.50
7.4.60.0090.00916.40
7.4.50.0030.00916.16
7.4.40.0090.00916.28
7.4.00.0140.00314.95
7.3.330.0000.00513.04
7.3.320.0000.00612.86
7.3.310.0000.00816.22
7.3.300.0030.00316.12
7.3.290.0000.00716.12
7.3.280.0100.00916.10
7.3.260.0110.00916.25
7.3.240.0130.00616.25
7.3.230.0090.00916.17
7.3.210.0000.01516.30
7.3.200.0080.01116.13
7.3.190.0030.01516.21
7.3.180.0150.00316.04
7.3.170.0150.00716.18
7.3.160.0040.01216.08
7.2.330.0130.00316.71
7.2.320.0100.01416.38
7.2.310.0030.01716.38
7.2.300.0080.00816.38
7.2.290.0120.00916.59
7.2.110.0250.01414.69
7.2.100.0270.00714.26
7.2.90.0300.01414.15
7.2.80.0290.00614.33
7.2.70.0260.00214.38
7.2.60.0410.00014.51
7.2.50.0190.01614.66
7.2.40.0210.01314.41
7.2.30.0320.00614.45
7.2.20.0220.01014.80
7.2.10.0310.01114.43
7.2.00.0280.00714.85
7.1.230.0240.00713.73
7.1.220.0180.01113.42
7.1.210.0310.01213.31
7.1.200.0750.00313.41
7.1.190.0200.01313.61
7.1.180.0290.00413.51
7.1.170.0270.00413.24
7.1.160.0310.00313.26
7.1.150.0260.01113.73
7.1.140.0240.00913.62
7.1.130.0170.01013.68
7.1.120.0200.00713.57
7.1.110.0200.00713.69
7.1.100.0270.01113.44
7.1.90.0500.01313.38
7.1.80.0220.00813.50
7.1.70.0290.00613.88
7.1.60.0340.01431.62
7.1.50.0360.01031.21
7.1.40.0500.00831.64
7.1.30.0350.01531.69
7.1.20.0490.01331.36
7.1.10.0190.00813.69
7.1.00.0360.00313.21
5.6.380.0140.00514.34

preferences:
78.63 ms | 400 KiB | 5 Q