3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array( "a" => "first", "b" => "second", "c" => "something", "red" ); $array2 = array( "a" => "first", "b" => "something", "letsc" ); print_r(array_fill_keys($array1, $array2));

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)
8.3.70.0040.01116.58
8.3.60.0100.01018.18
8.3.50.0110.00516.39
8.3.40.0170.00318.40
8.3.30.0090.00618.41
8.3.20.0030.00520.69
8.3.10.0040.00418.88
8.3.00.0050.00221.69
8.2.180.0100.00725.92
8.2.170.0140.00022.96
8.2.160.0110.00320.34
8.2.150.0070.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00026.16
8.2.110.0040.00419.27
8.2.100.0120.00317.72
8.2.90.0060.00317.63
8.2.80.0060.00317.97
8.2.70.0040.00417.80
8.2.60.0050.00318.09
8.2.50.0000.00819.32
8.2.40.0060.00319.07
8.2.30.0000.00719.05
8.2.20.0020.00517.92
8.2.10.0040.00418.79
8.2.00.0000.00819.42
8.1.280.0090.00625.92
8.1.270.0030.00620.78
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0030.00622.20
8.1.230.0040.00821.04
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00717.10
8.1.180.0040.00418.10
8.1.170.0080.00018.48
8.1.160.0000.00818.72
8.1.150.0000.00718.82
8.1.140.0000.00720.21
8.1.130.0030.00320.04
8.1.120.0040.00417.40
8.1.110.0030.00517.37
8.1.100.0000.00817.45
8.1.90.0000.00717.26
8.1.80.0050.00317.32
8.1.70.0000.00717.41
8.1.60.0030.00517.56
8.1.50.0000.00717.46
8.1.40.0040.00417.36
8.1.30.0000.00817.55
8.1.20.0040.00417.57
8.1.10.0000.00817.46
8.1.00.0040.00417.37
8.0.300.0000.00720.02
8.0.290.0040.00416.58
8.0.280.0040.00418.27
8.0.270.0000.00717.14
8.0.260.0000.00618.49
8.0.250.0030.00316.85
8.0.240.0000.00716.86
8.0.230.0000.00716.84
8.0.220.0000.00716.87
8.0.210.0050.00316.80
8.0.200.0030.00316.76
8.0.190.0030.00516.86
8.0.180.0000.00716.86
8.0.170.0060.00316.66
8.0.160.0040.00416.82
8.0.150.0070.00016.82
8.0.140.0070.00016.67
8.0.130.0000.00713.25
8.0.120.0040.00416.66
8.0.110.0050.00216.84
8.0.100.0070.00016.88
8.0.90.0040.00416.88
8.0.80.0030.01416.72
8.0.70.0000.00816.71
8.0.60.0070.00016.71
8.0.50.0040.00416.66
8.0.30.0150.00317.04
8.0.20.0130.00916.86
8.0.10.0040.00416.98
8.0.00.0080.01016.66
7.4.330.0050.00015.55
7.4.320.0060.00016.35
7.4.300.0040.00416.59
7.4.290.0060.00616.42
7.4.280.0100.00016.27
7.4.270.0070.00016.52
7.4.260.0040.00416.50
7.4.250.0070.00016.53
7.4.240.0040.00416.42
7.4.230.0040.00416.30
7.4.220.0070.00016.31
7.4.210.0050.01016.43
7.4.200.0030.00416.64
7.4.160.0080.01016.38
7.4.130.0100.00716.32
7.4.120.0040.01216.30
7.4.110.0100.01016.57
7.4.100.0100.01316.36
7.4.90.0120.00616.36
7.4.80.0140.00319.39
7.4.70.0070.01316.54
7.4.60.0070.01016.42
7.4.50.0060.00916.43
7.4.40.0090.00816.51
7.4.00.0040.01415.02
7.3.330.0000.00513.07
7.3.320.0000.00513.04
7.3.310.0040.00416.11
7.3.300.0070.00016.14
7.3.290.0030.00316.12
7.3.280.0100.00916.11
7.3.260.0120.00816.18
7.3.240.0080.00916.35
7.3.230.0110.00716.33
7.3.210.0140.00316.05
7.3.200.0140.00716.32
7.3.190.0090.01216.16
7.3.180.0060.01016.29
7.3.170.0030.01316.43
7.3.160.0090.01216.35
7.3.50.0100.01514.60
7.3.40.0070.00714.51
7.3.30.0000.01314.63
7.3.20.0230.00314.70
7.3.10.0210.00714.64
7.3.00.0060.00814.63
7.2.330.0110.00616.59
7.2.320.0130.00916.53
7.2.310.0090.00916.41
7.2.300.0060.01516.55
7.2.290.0090.00916.53
7.2.180.0030.01414.83
7.2.170.0140.00014.82
7.2.160.0060.01514.44
7.2.150.0340.00314.80
7.2.140.0150.01114.88
7.2.130.0150.00014.98
7.2.120.0190.01014.77
7.2.110.0130.00614.72
7.2.100.0170.00314.54
7.2.90.0260.00414.94
7.2.80.0090.00914.77
7.2.70.0170.01015.00
7.2.60.0220.00514.94
7.2.50.0170.00314.98
7.2.40.0080.01114.77
7.2.30.0100.01015.07
7.2.20.0110.00814.70
7.2.10.0100.01014.74
7.2.00.0950.01315.02
7.1.280.0120.00813.95
7.1.270.0070.01413.82
7.1.260.0200.00713.80
7.1.250.0160.01313.78

preferences:
32.54 ms | 401 KiB | 5 Q