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@paulsheldrake
Last active October 16, 2020 23:17
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Output an ACF url field as html. Also allow for extra attributes.
/**
* Output ACF url field as HTML.
*
* Optionally add attributes to the link as an array.
*
* Example:
*
* acf_format_link('cp_flex_tab_1', ['class' => 'btn btn-large', 'data-id' => 123]);
*
* Will render the field like so.
* <a href="http://google.com" target="_blank" class="btn btn-large" data-id="123">Link text</a>
*
* @param string $field_name ACF field machine name.
* @param array $attributes A set of attributes to add to the link.
*
* @return boolean|string
*/
function acf_format_link( string $field_name, array $attributes = [] ) {
$field = get_field( $field_name );
// Return an empty string if field is empty.
if ( ! $field ) {
return false;
}
// Ensure basics.
if ( ! isset( $field['title'] ) || empty( $field['title'] ) || ! isset( $field['url'] ) || empty( $field['url'] ) ) {
return false;
}
// Generate attributes string.
$attributes_output = '';
if ( ! empty( $attributes ) ) {
foreach ( $attributes as $attribute => &$data ) {
$data = implode( ' ', (array) $data );
$attributes_output .= $attribute . '="' . esc_attr( $data ) . '" ';
}
}
// Target.
$target = '';
if ( ! empty( $field['target'] ) ) {
$target = "target='${field["target"]}'";
}
$output = "<a href='${field["url"]}' ${target} ${attributes_output}>${field["title"]}</a>";
return $output;
}
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