<?php
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
foreach($age as $x=>$x_value)
{
echo "Key=" . $x . ", Value=" . $x_value;
echo "<br>";
}
?>
<?php
$array = array(
'fruit1' => 'apple',
'fruit2' => 'orange',
'fruit3' => 'grape',
'fruit4' => 'apple',
'fruit5' => 'apple');
// this cycle echoes all associative array
// key where value equals "apple"
while ($fruit_name = current($array)) {
if ($fruit_name == 'apple') {
echo key($array).'<br />';
}
next($array);
}
?>
function kPrint($key,$obj){
return (gettype($obj)=="array"?(array_key_exists($key,$obj)?$obj[$key]:("<font color='red'>NA</font>")):(gettype($obj)=="object"?(property_exists($obj,$key)?$obj->$key:("<font color='red'>NA</font>")):("<font color='red'><font color='green'>:::Exception Start:::</font><br>Invalid Object/Array Passed at kPrint() Function!!<br> At : Variable => ".print_r($obj)."<br>Key => ".$key."<br> At File: <font color='blue'>".debug_backtrace()[0]['file']."</font><br> At Line : ".debug_backtrace()[0]['line']."<br><font color='green'>:::Exception End:::</font></font>")));
}
//call this function in echo and pass parameters like key and array/object