stuck on foreach

[mraza]

hi all i am learning PHP and trying to run an multidimensional array loop.. i am stuck on one place please somebody can help where i am wrong...thanks and here is the code:

 

$movies = array (
			array( "Gener"=>"Action",
							array (	"Name"=>"Pirates of Carebian",
									"Gener"=>"Action",
									"Year"=>2003,
									"Cast"=>"Johnny Depp"
									),
							array (	"Name"=>"Matrix",
									"Gener"=>"Action",
									"Year"=>2001,
									"Cast"=>"I don't know"
									)
				 ),
			array( "Gener1"=>"Horror",
							array( 	"Name"=>"The Eye",
									"Gener"=>"Horror",
									"Year"=>2002,
									"Cast"=>"Some creepy people"
									),
							array( 	"Name"=>"The Eye",
									"Gener"=>"Horror",
									"Year"=>2002,
									"Cast"=>"Some creepy people"
									)
				),
			array( "Gener2"=>"Romance",
							array( 	"Name"=>"Titanic",
									"Gener"=>"Romance",
									"Year"=>2003,
									"Cast"=>"Some creepy people"
									),
							array( 	"Name"=>"Love",
									"Gener"=>"Romance",
									"Year"=>2008,
									"Cast"=>"Wierd things happen"
									)
				)
			);
foreach ($movies as $arey) {
			foreach( $arey as $list=>$term) {
					foreach ($term as $name=>$detail) {
								echo "$name = $detail<br />";
							};
						};
					};

there is problem in this line " foreach ($term as $name=>$detail) {"

Warning: Invalid argument supplied for foreach() in C:\Program Files\wamp\www\test\index.php on line 149

[WolfRage]

I think you were trying to dig to deep.

 <?php
$movies = array (
array( "Gener"=>"Action",
array ( "Name"=>"Pirates of Carebian",
"Gener"=>"Action",
"Year"=>2003,
"Cast"=>"Johnny Depp"
),
array ( "Name"=>"Matrix",
"Gener"=>"Action",
"Year"=>2001,
"Cast"=>"I don't know"
)
),
array( "Gener1"=>"Horror",
array( "Name"=>"The Eye",
"Gener"=>"Horror",
"Year"=>2002,
"Cast"=>"Some creepy people"
),
array( "Name"=>"The Eye",
"Gener"=>"Horror",
"Year"=>2002,
"Cast"=>"Some creepy people"
)
),
array( "Gener2"=>"Romance",
array( "Name"=>"Titanic",
"Gener"=>"Romance",
"Year"=>2003,
"Cast"=>"Some creepy people"
),
array( "Name"=>"Love",
"Gener"=>"Romance",
"Year"=>2008,
"Cast"=>"Wierd things happen"
)
)
);
foreach ($movies as $arey) {
foreach( $arey as $list=>$term) {
foreach ($term as $detail) {
echo $term.' = '.$detail.'<br />';
};
};
};
?>

[ignace]

<?php

$movies = array
(
    array
    (
        'Gener'=>'Action',
        array (
            'Name'=>'Pirates of Carebian',
            'Gener'=>'Action',
            'Year'=>2003,
            'Cast'=>'Johnny Depp'
        ),
        array (
            'Name'=>'Matrix',
            'Gener'=>'Action',
            'Year'=>2001,
            'Cast'=>'I don\'t know'
        )
    ),
    array
    (
        'Gener'=>'Horror',
        array(
            'Name'=>'The Eye',
            'Gener'=>'Horror',
            'Year'=>2002,
            'Cast'=>'Some creepy people'
        ),
        array(
            'Name'=>'The Eye',
            'Gener'=>'Horror',
            'Year'=>2002,
            'Cast'=>'Some creepy people'
        )
    ),
    array
    (
        'Gener'=>'Romance',
        array(
            'Name'=>'Titanic',
            'Gener'=>'Romance',
            'Year'=>2003,
            'Cast'=>'Some creepy people'
        ),
        array(
            'Name'=>'Love',
            'Gener'=>'Romance',
            'Year'=>2008,
            'Cast'=>'Wierd things happen'
        )
    )
);

foreach ($movies as $movie) { // 0 => array ( "Genre" => "Action", array ( movie ), array ( movie ) )
    $genre = $movie['Gener'];
    print "<h2>$genre</h2>";
    print '<table>';
    print '<tr>';
    print '    <th>Name</th>';
    print '    <th>Gener</th>';
    print '    <th>Release Year</th>';
    print '    <th>Cast</th>';
    print '</tr>';
    $sizeof = sizeof($movie) - 1;
    for ($i = 0; $i < $sizeof; ++$i) {
    print '<tr>';
        $movieName = $movie[$i]['Name'];
        $movieGenre = $movie[$i]['Gener'];
        $movieReleaseYear = $movie[$i]['Year'];
        $movieCast = $movie[$i]['Cast'];
        print "<td>$movieName</td>";
        print "<td>$movieGenre</td>";
        print "<td>$movieReleaseYear</td>";
        print "<td>$movieCast</td>";
    print '</tr>';
    }
    print '</table>';
}

 

However if you are creating data structures like that then you may want to step away from array's and start looking at object oriented programming (OOP)

 

class Actor {}
class ActorCollection {
    protected $_actors;
    public function addActor(Actor $actor) {..}
}
class Movie {
    protected $_name;
    protected $_genre;
    protected $_releaseYear;
    protected $_cast;
    
    public function __construct($name, $releaseYear, ActorCollection $cast) {
         ..
    }
}
class MovieGenre {
}
class MovieCollection {
    protected $_movies; // array ( Genre => array ( Movies ) )
    public function addMovie(Movie $movie) {..}
    public function findByGenre($genre) {..}
}

print new MovieCollection(new MovieCollectionDbAdapter('SELECT * FROM movies'));
// which would output something like:
// Genre
// Name Release Year ..
// Genre
// Name Release Year ..
// ..

 

This is a very incomplete version of what you actually need but it gives you a good idea of what it allows you to do.

[mraza]

thanks WolfRage for your reply but i got again same error Warning: Invalid argument supplied for foreach() AND @ignace thanks for your post but what i want is to correct that code only..it will show the gener on top...nothing else thanks

[WolfRage]

Are you sure that it is that same line?

[mraza]

Are you sure that it is that same line?

Yes you can try running on your side

[ignace]

thanks WolfRage for your reply but i got again same error Warning: Invalid argument supplied for foreach() AND @ignace thanks for your post but what i want is to correct that code only..it will show the gener on top...nothing else thanks

 

It does that

 

Genre

..Movie Titles..

Genre2

..Movie Titels..

Genre3

..Movie Titles..

[mraza]

Thanks ignace but i have just started learning PHP and i am on learning arrays that how they works so i want's that information for this time if you can help thanks

i am attaching the picture what i am getting:

i just want to show "Gener on this line'

Warning: Invalid argument supplied for foreach() in C:\Program Files\wamp\www\test\index.php on line 149

 

 

 

[attachment deleted by admin]

[mraza]

anybody help me to solve this issue please

[MadTechie]

the reason for the error is because the first item of the second array is a string,

So it will not work in an foreach.. to solve this you can just add a if statement, (here's an example)

 

<?php
foreach ($movies as $arey){
foreach( $arey as $list=>$term){
	if(is_array($term)){ //if array do foreach
		foreach ($term as $name=>$detail){
			echo "$name = $detail<br />";
		}
	}else{ //if not array then assume its a string and echo it
		echo "<strong>$term</strong><br />";
	}
}
}
?>