3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 10 => 'Windows', 12 => 'Keyboard', 15 => 'Monitor' ]; function map_by_key($m, $n) { return(array('id' => $m, 'name'=>$n)); } $output = array_map("map_by_key", array_keys($array),$array); print '<pre>'; print_r($output); print '</pre>'; ?>

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)
8.5.10.0080.01016.74
8.5.00.0140.00720.00
8.4.150.0030.00014.05
8.4.140.0110.01017.35
8.4.130.0110.01017.62
8.4.120.0070.00322.11
8.4.110.0130.00718.78
8.4.100.0130.00717.77
8.4.90.0080.00217.71
8.4.80.0070.00517.81
8.4.70.0040.00419.72
8.4.60.0120.00822.25
8.4.50.0120.00718.70
8.4.40.0130.00717.45
8.4.30.0100.01017.66
8.4.20.0170.00320.57
8.4.10.0100.00017.93
8.3.280.0090.01018.38
8.3.270.0100.01016.52
8.3.260.0090.01016.54
8.3.250.0110.00718.99
8.3.240.0100.00916.55
8.3.230.0120.00816.59
8.3.220.0040.00316.57
8.3.210.0070.00816.73
8.3.200.0110.00718.73
8.3.190.0050.00317.11
8.3.180.0130.00617.02
8.3.170.0090.00920.68
8.3.160.0100.00716.96
8.3.150.0090.00917.31
8.3.140.0060.00316.53
8.3.130.0040.00418.37
8.3.120.0050.00319.15
8.3.110.0050.00320.94
8.3.100.0150.00024.06
8.3.90.0150.00326.77
8.3.80.0030.00716.50
8.3.70.0090.00618.30
8.3.60.0120.00618.43
8.3.50.0060.00718.00
8.3.40.0110.00718.79
8.3.30.0110.00418.67
8.3.20.0040.00418.64
8.3.10.0050.00321.62
8.3.00.0030.00521.77
8.2.290.0050.00420.43
8.2.280.0080.01116.52
8.2.270.0070.01117.25
8.2.260.0100.00316.82
8.2.250.0040.00416.84
8.2.240.0120.00416.58
8.2.230.0060.00322.58
8.2.220.0080.00037.54
8.2.210.0040.00426.77
8.2.200.0130.00016.50
8.2.190.0090.00916.63
8.2.180.0120.00818.29
8.2.170.0090.00922.96
8.2.160.0100.00319.08
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00722.08
8.2.120.0040.00426.35
8.2.110.0090.00022.08
8.2.100.0030.00717.78
8.2.90.0040.00420.63
8.2.80.0030.00618.05
8.2.70.0030.00617.93
8.2.60.0080.00018.09
8.2.50.0000.00818.10
8.2.40.0000.00719.48
8.2.30.0030.00320.60
8.2.20.0000.00717.92
8.2.10.0000.00718.11
8.2.00.0030.00519.47
8.1.330.0100.00816.73
8.1.320.0080.00216.20
8.1.310.0070.01116.56
8.1.300.0090.00016.19
8.1.290.0060.00318.88
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0110.00726.35
8.1.250.0080.00028.09
8.1.240.0070.00322.55
8.1.230.0060.00620.87
8.1.220.0060.00317.74
8.1.210.0080.00018.91
8.1.200.0050.00317.48
8.1.190.0000.00917.38
8.1.180.0000.00818.10
8.1.170.0090.00018.60
8.1.160.0000.00718.85
8.1.150.0000.00718.86
8.1.140.0000.00718.88
8.1.130.0000.00717.29
8.1.120.0040.00417.40
8.1.110.0040.00417.38
8.1.100.0040.00317.27
8.1.90.0050.00217.37
8.1.80.0000.00717.43
8.1.70.0000.00817.27
8.1.60.0060.00317.46
8.1.50.0030.00617.35
8.1.40.0040.00417.46
8.1.30.0050.00317.45
8.1.20.0040.00417.55
8.1.10.0000.00717.46
8.1.00.0030.00517.50
8.0.300.0040.00420.04
8.0.290.0050.00216.75
8.0.280.0040.00418.41
8.0.270.0000.00716.81
8.0.260.0040.00416.80
8.0.250.0000.00716.84
8.0.240.0000.00716.88
8.0.230.0030.00316.79
8.0.220.0080.00016.80
8.0.210.0040.00416.83
8.0.200.0000.00816.84
8.0.190.0030.00316.82
8.0.180.0070.00016.86
8.0.170.0030.00616.80
8.0.160.0060.00316.78
8.0.150.0000.00716.76
8.0.140.0040.00416.77
8.0.130.0050.00013.14
8.0.120.0040.00416.79
8.0.110.0050.00216.81
8.0.100.0040.00416.87
8.0.90.0000.00716.77
8.0.80.0110.00916.81
8.0.70.0000.00816.68
8.0.60.0000.00716.63
8.0.50.0000.00816.69
8.0.30.0090.01117.09
8.0.20.0140.00517.40
8.0.10.0030.00517.00
8.0.00.0090.00916.73
7.4.330.0000.00515.55
7.4.320.0030.00316.53
7.4.300.0030.00316.40
7.4.290.0060.00316.50
7.4.280.0000.01016.50
7.4.270.0070.00016.53
7.4.260.0000.00716.51
7.4.250.0030.00316.48
7.4.240.0040.00416.36
7.4.230.0030.00316.61
7.4.220.0040.00416.57
7.4.210.0070.00816.47
7.4.200.0000.00716.55
7.4.160.0130.00416.35
7.4.140.0070.01217.86
7.4.130.0090.00916.75
7.4.120.0100.00916.40
7.4.110.0060.01216.31
7.4.100.0060.01616.49
7.4.90.0070.01116.30
7.4.80.0030.01419.39
7.4.70.0070.01416.62
7.4.60.0090.00816.48
7.4.50.0070.01016.42
7.4.40.0130.01016.54
7.4.00.0080.00815.06
7.3.330.0000.00713.25
7.3.320.0000.00613.23
7.3.310.0000.00716.10
7.3.300.0040.00416.27
7.3.290.0000.00716.28
7.3.280.0060.00916.16
7.3.260.0100.00916.50
7.3.240.0100.00916.41
7.3.230.0130.00316.59
7.3.210.0150.00316.28
7.3.200.0090.00916.50
7.3.190.0120.00916.32
7.3.180.0060.01016.38
7.3.170.0100.01016.29
7.3.160.0080.00816.15
7.3.120.0060.01214.84
7.3.110.0130.00614.50
7.3.100.0070.01014.79
7.3.90.0030.00614.99
7.3.80.0100.00014.73
7.3.70.0000.01614.77
7.3.60.0070.00714.68
7.3.50.0060.00314.56
7.3.40.0060.00614.64
7.3.30.0030.00714.79
7.3.20.0070.00716.61
7.3.10.0070.00716.64
7.3.00.0090.00616.63
7.2.330.0150.00316.68
7.2.320.0070.01616.55
7.2.310.0080.00816.62
7.2.300.0100.00716.51
7.2.290.0060.00916.60
7.2.250.0070.00715.09
7.2.240.0100.00615.00
7.2.230.0070.01014.84
7.2.220.0070.00414.94
7.2.210.0070.00714.74
7.2.200.0070.00715.09
7.2.190.0000.01514.83
7.2.180.0090.00914.98
7.2.170.0130.00314.93
7.2.100.0090.00616.27
7.2.90.0080.00816.54
7.2.80.0000.01516.53
7.2.70.0100.00716.71
7.2.60.0060.01116.87
7.2.50.0070.00716.68
7.2.40.0100.00716.83
7.2.30.0060.01116.80
7.2.20.0120.00516.87
7.2.10.0060.00916.53
7.2.00.0140.00316.78
7.1.330.0000.01415.84
7.1.320.0030.00615.73
7.1.310.0070.00715.83
7.1.300.0070.00715.69
7.1.290.0030.01015.55
7.1.280.0120.00315.70
7.1.270.0060.00915.52
7.1.260.0140.00015.72
7.1.210.0090.00615.71
7.1.200.0030.01015.46
7.1.190.0030.00915.69
7.1.180.0060.00615.47
7.1.170.0030.01215.80
7.1.160.0040.01115.51
7.1.150.0140.00215.49
7.1.140.0100.00615.53
7.1.130.0000.01515.71
7.1.120.0110.00415.67
7.1.110.0090.00615.60
7.1.100.0110.00315.58
7.1.90.0100.00615.70
7.1.80.0070.00815.49
7.1.70.0030.01215.66
7.1.60.0210.01133.61
7.1.50.0270.00733.66
7.1.40.0200.01633.75
7.1.30.0190.01333.44
7.1.20.0240.00733.63
7.1.10.0040.00815.63
7.1.00.0130.00315.84

preferences:
380.96 ms | 403 KiB | 5 Q