Question

How to lower-case all elements in an array in PHP

Answer 1

$arr = array("PHP", "C#", "C++", "C", "Java");
 
$arr = array_map('strtolower', $arr);

array_walk($arr, '_print');

function _print($value)
{
    echo "$value<br />\n";
}


/*
run: 

php
c#
c++
c
java

*/

 

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