Advanced Custom Fields

acf.php

/*----------------------------------------------*/
/*   Image Field
/*----------------------------------------------*/

/* Return value: Attachment ID */

<?php if(get_field('logo')): ?>
	<?php 
		$attachment_id = get_field('logo');
		$size = "vendor-logo"; // (thumbnail, medium, large, full or custom size)
		echo wp_get_attachment_image( $attachment_id, $size );
	?>
<?php endif; ?>

/* Add A Class to the Img tag */

<?php echo wp_get_attachment_image( $attachment_id, $size, false, array( 'class' => 'my-class' ) ); ?>


/* Get Image Attributes */

<?php if(get_field('logo')): ?>
	<?php 
	  $attachment_id = get_field('logo');
	  $size = 'large';
	  $image_attributes = wp_get_attachment_image_src( $attachment_id, $size ); 
	  // [0] => url
	  // [1] => width
	  // [2] => height
	  // [3] => boolean: true if $url is a resized image, false if it isn't or no img avail.
	?>
<?php endif; ?>


/*----------------------------------------------*/
/*   Repeater Field
/*----------------------------------------------*/

<?php
 
// check if the repeater field has rows of data
if( have_rows('repeater_field_name') ):
 
 	// loop through the rows of data
    while ( have_rows('repeater_field_name') ) : the_row();
 
        // display a sub field value
        the_sub_field('sub_field_name');
 
    endwhile;
 
else :
 
    // no rows found
 
endif;
 
?>

/* Repeater Field Alternate Syntax/Markup */

<?php if( have_rows('repeater_field_name') ): ?>
 
  <?php while ( have_rows('repeater_field_name') ) : the_row(); ?>
 
    <?php the_sub_field('sub_field_name'); ?>
 
  <?php endwhile; ?>
 
<?php else : ?>
 
<?php endif; ?>




/*----------------------------------------------*/
/*   Checkbox Field
/*----------------------------------------------*/


/*
*  Conditional statement (Checkbox rvalue is an array)
*/
 
if( in_array( 'red', get_field('field_name') ) )
{
    //...
}

/*
*  Query posts for a checkbox value.
*  This method uses the meta_query LIKE to match the string "red" to the database value a:2:{i:0;s:3:"red";i:1;s:4:"blue";} (serialized array)
*  The above value suggests that the user selected "red" and "blue" from the checkbox choices
*/

$posts = get_posts(array(
    'meta_query' => array(
        array(
            'key' => 'field_name', // name of custom field
            'value' => '"red"', // matches exaclty "red", not just red. This prevents a match for "acquired"
            'compare' => 'LIKE'
        )
    )
));


/*----------------------------------------------*/
/*   Flexible Content Field
/*----------------------------------------------*/

<?php
 
// check if the flexible content field has rows of data
if( have_rows('flexible_content_field_name') ):
 
     // loop through the rows of data
    while ( have_rows('flexible_content_field_name') ) : the_row();
 
        if( get_row_layout() == 'paragraph' ):
 
        	the_sub_field('text');
 
        elseif( get_row_layout() == 'download' ): 
 
        	$file = get_sub_field('file');
 
        endif;
 
    endwhile;
 
else :
 
    // no layouts found
 
endif;

 


/*----------------------------------------------*/
/*   Page Link
/*----------------------------------------------*/?>

<a href="<?php the_field('page_link'); ?>">Read this!</a>


<?php
/*----------------------------------------------*/
/*   User Fields
/*----------------------------------------------*/

// The $post_id needed is a string containing “user” + the user ID in this format: “user_$UserID”

$variable = get_field('field_name', 'user_2');

// do something with $variable



?>