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Gravity Wiz // Gravity Forms // Shortcodes as Merge Tags for Gravity Forms Conditional Shortcode
<?php
/**
* Gravity Wiz // Gravity Forms // Shortcodes as Merge Tags for Gravity Forms Conditional Shortcode
* http://gravitywiz.com/
*
* Requires Gravity Forms 2.4.17.2+
*
* Usage:
*
* 1. First convert your shortcode into a merge tag.
*
* Shortcode: [gravityforms action="remaining" id="123" input_id="4.3" limit="100"]
* Merge Tag: {shortcode:gravityforms&action=remaining&id=123&input_id=4.3&limit=100}
*
* 2. Use your merge tag in the GF conditional shortcode `merge_tag` parameter.
*
* [gravityforms action="conditional" merge_tag="{shortcode:gravityforms&action=remaining&id=123&input_id=4.3&limit=100}" condition="less_than" value="50"]
* Hurry! Only [gravityforms action="remaining" id="661" input_id="1.3" limit="100"] tickets left!
* [/gravityforms]
*/
add_filter( 'shortcode_atts_gravityforms_conditional', function( $out, $pairs, $atts ) {
if( isset( $out['merge_tag'] ) && strpos( $out['merge_tag'], '{shortcode:' ) !== false ) {
preg_match( '/{shortcode:(.+?)}/', htmlspecialchars_decode( $out['merge_tag'] ), $matches );
parse_str( $matches[1], $_atts );
$shortcode = array( array_key_first( $_atts ) );
array_shift( $_atts );
foreach( $_atts as $prop => $value ) {
$shortcode[] = sprintf( '%s="%s"', $prop, $value );
}
$shortcode = sprintf( '[%s]', implode( ' ', $shortcode ) );
$out['merge_tag'] = do_shortcode( $shortcode );
}
return $out;
}, 10, 3 );
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