Question

This function creates <li> tags and im trying to give each li tag a unique CSS class name,
I’ve tried to create a for loop to generate numbers but this is producing the number 7 rather than counting down to the number 7 in <li> tag.

any help greatly appreciated!

function the_meta() {

if ( $keys = get_post_custom_keys() ) {
    echo "<ul class='post-meta'>\n";

 //tried to add this counter here to generate incremental numbers in the foreach loop
    for ($i = 0; $i <= 6; $i++) { } 

    foreach ( (array) $keys as $key ) {
        $keyt = trim($key);
        if ( is_protected_meta( $keyt, 'post' ) )
            continue;
        $values = array_map('trim', get_post_custom_values($key));
        $value = implode($values,', ');


        echo apply_filters('the_meta_key', "<li class='$i'><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value);

    }


    echo "</ul>\n";
}
  }

Answer 1

This line of code:

for ($i = 0; $i <= 6; $i++) { } 

Will just increase $i until it get to 6,
So when you’re getting to the “main loop” the variable $i will have the same value.
Why having another loop to count?

You can implement the counter inside your current loop:

$i = 1; //Before the loop , set a starting value.
    foreach ( (array) $keys as $key ) {
        $keyt = trim($key);
        if ( is_protected_meta( $keyt, 'post' ) )
            continue;
        $values = array_map('trim', get_post_custom_values($key));
        $value = implode($values,', ');


        echo apply_filters('the_meta_key', "<li class='$i'><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value);
$i++; //Increase by one!!
    }