Question

How to print array in PHP

Answer 1

$arr = array("do", "re mi", "fa so la si");

echo "Let's play: " . $arr[0] . " - " . $arr[1] . " - " . $arr[2];


  
/*
run:
  
Let's play: do - re mi - fa so la si
  
*/

 

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Answer 2

$arr = array("do", "re mi", "fa so la si");
$arr_length = count($arr);
 
for($i = 0; $i < $arr_length; $i++) {
    echo $arr[$i] . " - ";
}
  
  
/*
run:
  
do - re mi - fa so la si - 
  
*/

 

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Answer 3

$arr = array("do", "re mi", "fa so la si");

foreach($arr as $value) {
    echo $value . " - ";
}
  
  
/*
run:
  
do - re mi - fa so la si - 
  
*/

 

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Answer 4

$arr = array("C" => "95", "C++" => "85", "PHP" => "75");
 
echo $arr['C'] . "\n";
echo $arr['C++'] . "\n";
echo $arr['PHP'] . "\n";
  
  
  
/*
run:
  
95
85
75
  
*/

 

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Answer 5

$arr = array("C" => "95", "C++" => "85", "PHP" => "75");

foreach($arr as $k => $value)  {
    echo "Key = " . $k . ", Value = " . $value . "\n";
}
  
  
/*
run:
  
Key = C, Value = 95 
Key = C++, Value = 85 
Key = PHP, Value = 75 
  
*/

 

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Answer 6

$arr = array("do", "re mi", "fa so la si");

print_r($arr);


     
/*
run:
 
Array
(
    [0] => do
    [1] => re mi
    [2] => fa so la si
)
      
*/

 

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Answer 7

$arr = array("do", "re mi", "fa so la si");
       
print implode(' ', $arr);

 
/*
run: 

do re mi fa so la si 

*/

 

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Answer 8

$arr = array("do", "re mi", "fa so la si");

var_dump($arr); 


     
/*
run:
 
array(3) {
  [0]=>
  string(2) "do"
  [1]=>
  string(5) "re mi"
  [2]=>
  string(11) "fa so la si"
}

*/

 

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