PHP to Ruby
Convert PHP code into Ruby!
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array_change_key_case
Posted on March 28th, 2009 1 commentThis function changes all keys in an array by returning an array with all keys from argument lowercased or uppercased. Numbered indices are left as is.
PHP
$input_array = array('FirSt' => 1, 'SecOnd' => 4); print_r( array_change_key_case($input_array, CASE_UPPER) ); // => array('FIRST' => 1, 'SECOND' => 4);
To replicate this functionality in Ruby, we need to use a Hash object, since arrays in Ruby don’t use associative key/value pairs.
Ruby
hash = {'FirSt' => 1, 'SecOnd' => 4} result = hash.inject({}) do |hash, keys| hash[keys[0].upcase] = keys[1] hash end p result # => { 'FIRST' => 1, 'SECOND' => 4 }
PHP, Ruby arrays, hash, keys, lower case, upper caseOne response to “array_change_key_case”
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hash = {’FirSt’ => 1, ‘SecOnd’ => 4}
p Hash[hash.keys.map(&:upcase).zip(hash.values)]
# => {”FIRST”=>1, “SECOND”=>4}
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