3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(1,25); $b = array('21'=>'test'); $t = array_map(function($a){ global $b; return associate($a, $b);}, $a); function associate($av, $b) { $r = (isset($b[$av]))?$b[$av]:null; } print_r($t);

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)
8.3.60.0070.01416.38
8.3.50.0090.00621.92
8.3.40.0140.00018.60
8.3.30.0040.01119.09
8.3.20.0130.00620.21
8.3.10.0030.00523.66
8.3.00.0040.00419.25
8.2.180.0000.01518.14
8.2.170.0120.00322.96
8.2.160.0060.01320.52
8.2.150.0120.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00422.13
8.2.110.0070.00222.27
8.2.100.0090.00317.84
8.2.90.0000.00817.91
8.2.80.0040.00717.97
8.2.70.0040.00417.63
8.2.60.0080.00018.03
8.2.50.0000.00818.07
8.2.40.0080.00018.34
8.2.30.0110.00018.00
8.2.20.0040.00417.73
8.2.10.0050.00218.19
8.2.00.0000.00717.70
8.1.280.0100.01025.92
8.1.270.0040.00422.14
8.1.260.0070.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00620.74
8.1.230.0050.00520.88
8.1.220.0030.00517.80
8.1.210.0030.00618.77
8.1.200.0030.00617.13
8.1.190.0050.00317.29
8.1.180.0040.00418.10
8.1.170.0040.00418.55
8.1.160.0040.00422.02
8.1.150.0040.00418.55
8.1.140.0000.00717.50
8.1.130.0000.00717.83
8.1.120.0030.00317.43
8.1.110.0050.00317.40
8.1.100.0000.00717.46
8.1.90.0000.00717.38
8.1.80.0000.00717.35
8.1.70.0000.00817.35
8.1.60.0080.00017.46
8.1.50.0040.00417.46
8.1.40.0060.00317.51
8.1.30.0030.00517.54
8.1.20.0000.00717.56
8.1.10.0030.00617.41
8.1.00.0000.00817.46
8.0.300.0040.00419.88
8.0.290.0000.00817.05
8.0.280.0000.00718.30
8.0.270.0070.00017.11
8.0.260.0040.00416.76
8.0.250.0000.00616.87
8.0.240.0030.00316.91
8.0.230.0080.00016.77
8.0.220.0070.00016.88
8.0.210.0020.00516.81
8.0.200.0000.00616.82
8.0.190.0000.00716.82
8.0.180.0040.00416.93
8.0.170.0060.00316.86
8.0.160.0040.00416.86
8.0.150.0070.00016.90
8.0.140.0000.00816.89
8.0.130.0030.00313.34
8.0.120.0040.00416.86
8.0.110.0050.00316.89
8.0.100.0040.00416.77
8.0.90.0030.00516.84
8.0.80.0040.01116.86
8.0.70.0070.00016.79
8.0.60.0030.00616.75
8.0.50.0040.00417.00
8.0.30.0090.00917.06
8.0.20.0130.00517.40
8.0.10.0000.00816.88
8.0.00.0100.00816.73
7.4.330.0030.00315.00
7.4.320.0050.00216.52
7.4.300.0030.00316.59
7.4.290.0050.00316.55
7.4.280.0030.00316.55
7.4.270.0040.00416.46
7.4.260.0040.00416.55
7.4.250.0000.00716.49
7.4.240.0040.00316.57
7.4.230.0030.00516.70
7.4.220.0060.01216.67
7.4.210.0060.01016.57
7.4.200.0000.00916.70
7.4.190.0070.00016.49
7.4.160.0120.00416.48
7.4.150.0150.00917.40
7.4.140.0050.01317.86
7.4.130.0100.00716.66
7.4.120.0070.01016.45
7.4.110.0040.01816.34
7.4.100.0040.01216.40
7.4.90.0060.01016.57
7.4.80.0120.00619.39
7.4.70.0100.00616.55
7.4.60.0030.01416.59
7.4.50.0000.00916.49
7.4.40.0040.01122.77
7.4.30.0120.00316.33
7.4.00.0000.01214.77
7.3.330.0000.00513.10
7.3.320.0070.00013.17
7.3.310.0070.00016.35
7.3.300.0030.00316.37
7.3.290.0120.00316.30
7.3.280.0110.00516.34
7.3.270.0100.00717.40
7.3.260.0150.01216.41
7.3.250.0100.01116.44
7.3.240.0110.00716.43
7.3.230.0100.00716.44
7.3.210.0110.00716.44
7.3.200.0030.01419.39
7.3.190.0030.01316.61
7.3.180.0060.00916.59
7.3.170.0100.00716.59
7.3.160.0040.01216.53
7.3.120.0070.00714.85
7.2.330.0100.00716.74
7.2.320.0060.01116.61
7.2.310.0190.00316.38
7.2.300.0100.01316.80
7.2.290.0030.01416.50
7.2.00.0060.00919.16
7.1.100.0000.01018.14
7.1.70.0030.00717.26
7.1.60.0140.01019.33
7.1.50.0160.00716.70
7.1.00.0000.07722.45
7.0.200.0070.00416.36
7.0.140.0030.07321.92
7.0.60.0170.05719.91
7.0.50.0100.06317.97
7.0.40.0030.05320.23
7.0.30.0300.07720.14
7.0.20.0270.08020.21
7.0.10.0230.04320.22
7.0.00.0000.05020.07
5.6.280.0100.06720.82
5.6.210.0100.08720.48
5.6.200.0070.06318.29
5.6.190.0100.08720.46
5.6.180.3400.04720.46
5.6.170.0270.06320.55
5.6.160.0100.07720.48
5.6.150.0030.04318.18
5.6.140.0000.05318.23
5.6.130.0230.06318.21
5.6.120.0100.07321.04
5.6.110.0100.08020.99
5.6.100.0100.07321.02
5.6.90.0030.08721.00
5.6.80.0000.05320.52
5.6.70.0230.08020.54
5.5.350.0170.03720.45
5.5.340.0070.06017.93
5.5.330.0170.08020.57
5.5.320.0230.05020.31
5.5.310.0300.08020.37
5.5.300.0100.07718.04
5.5.290.0100.07717.95
5.5.280.0130.06020.89
5.5.270.0130.04720.85
5.5.260.0070.08720.65
5.5.250.0000.04320.62
5.5.240.0330.06320.16
5.4.450.0130.06019.30
5.4.440.0800.05319.40
5.4.430.0100.05319.23
5.4.420.0900.04319.54
5.4.410.0670.06019.41
5.4.400.0170.07019.22
5.4.390.0800.04318.90
5.4.380.0270.05318.63
5.4.370.0300.05318.78
5.4.360.0230.05018.57
5.4.350.0400.04718.71
5.4.340.0230.05318.66
5.4.320.0100.04912.51
5.4.310.0070.04012.50
5.4.300.0070.03812.51
5.4.290.0110.03312.51
5.4.280.0060.03612.41
5.4.270.0060.03512.41
5.4.260.0070.03712.40
5.4.250.0100.03712.40
5.4.240.0060.04512.40
5.4.230.0100.04412.39
5.4.220.0090.03612.39
5.4.210.0090.03212.39
5.4.200.0110.03512.39
5.4.190.0070.03512.39
5.4.180.0070.03812.39
5.4.170.0170.04712.37
5.4.160.0170.04212.38
5.4.150.0180.04112.37
5.4.140.0140.04312.05
5.4.130.0160.04212.04
5.4.120.0240.06212.00
5.4.110.0180.03812.00
5.4.100.0170.04112.00
5.4.90.0150.04212.00
5.4.80.0130.04412.00
5.4.70.0150.04111.99
5.4.60.0130.04411.99
5.4.50.0140.04311.99
5.4.40.0150.04211.98
5.4.30.0130.04511.97
5.4.20.0150.04211.98
5.4.10.0160.04111.97
5.4.00.0120.04411.47
5.3.290.0060.03812.80
5.3.280.0060.03812.71
5.3.270.0160.04512.73
5.3.260.0270.06412.72
5.3.250.0180.04212.72
5.3.240.0120.04912.72
5.3.230.0170.04612.71
5.3.220.0250.06812.68
5.3.210.0200.04112.68
5.3.200.0170.04412.68
5.3.190.0200.04912.67
5.3.180.0180.04612.68
5.3.170.0320.08912.67
5.3.160.0150.04712.67
5.3.150.0150.04512.68
5.3.140.0210.03912.66
5.3.130.0450.08312.66
5.3.120.0290.03812.66
5.3.110.0160.04512.66
5.3.100.0180.05112.13
5.3.90.0180.04312.11
5.3.80.0120.05012.10
5.3.70.0200.10112.09
5.3.60.0170.04612.08
5.3.50.0100.04812.03
5.3.40.0150.04412.03
5.3.30.0160.04211.99
5.3.20.0130.04411.77
5.3.10.0190.03611.74
5.3.00.0140.04311.72
5.2.170.0360.0709.18
5.2.160.0130.0339.18
5.2.150.0110.0359.18
5.2.140.0120.0349.18
5.2.130.0120.0339.14
5.2.120.0110.0349.14
5.2.110.0170.0309.14
5.2.100.0110.0349.14
5.2.90.0120.0339.14
5.2.80.0130.0339.13
5.2.70.0120.0349.13
5.2.60.0180.0279.09
5.2.50.0090.0389.05
5.2.40.0180.0339.04
5.2.30.0120.0359.00
5.2.20.0110.0359.00
5.2.10.0100.0358.93
5.2.00.0140.0328.78
5.1.60.0100.0288.07
5.1.50.0130.0298.07
5.1.40.0120.0288.05
5.1.30.0120.0308.39
5.1.20.0120.0298.44
5.1.10.0070.0348.14
5.1.00.0100.0308.15
5.0.50.0110.0226.62
5.0.40.0090.0226.48
5.0.30.0130.0316.30
5.0.20.0130.0206.27
5.0.10.0070.0246.24
5.0.00.0150.0596.23
4.4.90.0060.0194.78
4.4.80.0080.0174.75
4.4.70.0090.0174.75
4.4.60.0080.0194.76
4.4.50.0070.0184.77
4.4.40.0080.0284.71
4.4.30.0070.0184.76
4.4.20.0090.0164.84
4.4.10.0110.0154.85
4.4.00.0030.0324.76
4.3.110.0050.0204.67
4.3.100.0080.0164.67
4.3.90.0050.0194.63
4.3.80.0070.0274.59
4.3.70.0070.0174.63
4.3.60.0100.0144.62
4.3.50.0060.0184.63
4.3.40.0070.0264.53
4.3.30.0070.0163.31
4.3.20.0040.0193.29
4.3.10.0040.0183.25
4.3.00.0000.0237.28

preferences:
44.45 ms | 401 KiB | 5 Q