HowTo: PHP Compare Two Text Strings

<?php
$string1 = "Foo";
$string2 = "Bar";
if ( $string1 == $string2 ){
  echo "Equal: Yes\n";
}
else{
  echo "Equal: No\n";
}
?>

int strcmp ($string1, $string2);

<?php
$string1 = "Foo";
$string2 = "Bar";
if ( strcmp ( $string1, $string2) == 0  ){
  echo "Equal: Yes\n";
}
else{
  echo "Equal: No\n";
}
?>

 $type=$what;
 $catoutput="NULL";
 foreach( $cats as $key=>$values ){
  $mycat=$values[0];  
  $myimg=$values[1];  
  $mydesc=$values[2]; 
  if ( $key == $type ) {
    $catoutput = 'Plan: '. $mycat;
    $catoutput .= 'Image: ' . $myimg;
    $catoutput .= 'Description: ' . $mydesc;
    return $catoutput;
  }
}