- ucfirst: documentation ( source)
<?php
class myClass {
private $arr = ["rose" => "red",
"violet" => "blue",
"grass" => "green"];
function getArrVal($elem){
return $this->arr[$elem];
}
}
$obj = new myClass;
$flowers = [0=>"rose",1=>"violet"];
$closure = function( $item ){
return $this->getArrVal( $item );
};
foreach ($flowers as $key => $flower){
$color = $closure->call($obj,$flower);
echo ucfirst("{$flower}s are $color");
echo ($key == 0)? ",\n" : " ...\n";
}