perl array/hash to php

Question

Trying to convert a perl script to php.

In perl I have a hash like this

my %SPEC=(
odmiles           => ['OD Miles','Mileage','odmiles:ecmmiles','num'],
ecmmiles          => ['ECM Miles',0,'','num',' ECM'],
cdl               => ['CDL','CDL']);

I can access the data like so:

$SPEC{ecm}[3]  # output = num

Since a hash in perl does not run in order I'll do a simple array

@ORD=('odmiles','ecmmiles','cdl');

then loop

foreach my $S (@ORD) {
  print $S." = ".$SPEC{$S}[0]."<br />";
  }

I can do similar with php but having issue accessing elements past [0] in my hash.

My canonical response to "translate from X to Y": hyperpolyglot.org/scripting; nothing special about this link, there are probably several comparison tables like this — Joel Berger
– Joel Berger, Commented Jun 8, 2012 at 17:19
I am not asking to have my code translated. I am asking how to access the elements past the first in my hash using php. i.e. Mileage, position[1] in above example — chrisrth
– chrisrth, Commented Jun 8, 2012 at 17:24
Here's what I have $array = array("odmiles" => "OD Miles"); $array["odmiles"]; — chrisrth
– chrisrth, Commented Jun 8, 2012 at 17:25
@chrisrth Or perhaps $SPEC = array("odmiles" => array("OD Miles", "Mileage", ...)); Not sure if that is valid PHP. — TLP
– TLP, Commented Jun 8, 2012 at 17:26
@chrisrth I am not sure I am understanding you correctly.. you know that $SPEC{$S}[0] gives the first element, and you don't know that $SPEC{$S}[1] gives the second, and so forth? — TLP
– TLP, Commented Jun 8, 2012 at 17:28

user212218 · Accepted Answer · 2012-06-08 17:38:47Z

3

I think you're looking for this:

$SPEC = array(
  'odmiles'           => array('OD Miles','Mileage','odmiles:ecmmiles','num'),
  'ecmmiles'          => array('ECM Miles',0,'','num',' ECM'),
  'cdl'               => array('CDL','CDL')
);

Accessing elements would then work something like this:

echo $SPEC['odmiles'][0]; // 'OD Miles'
echo $SPEC['odmiles'][1]; // 'Mileage'

answered Jun 8, 2012 at 17:38

user212218

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