How to get Post ID by Meta Value

wordpress-query--postID-metaValue.php

<?php
// Example: Query to show pages that have a meta_value that contains a string (not exact)
// https://rudrastyh.com/wordpress/meta_query.html
	$args = array(
		'post_type' => 'page',
		'meta_query' => array(
			array(
				'value' => '[contact-form-7 id="13127" title="Alliance',
				'compare' => 'LIKE'
			)
		)
	);
	$my_query = new WP_Query( $args );
	if( $my_query->have_posts() ) {
		while( $my_query->have_posts() ) {
			$my_query->the_post();
			// d(get_post());
		}
	}
	wp_reset_postdata();
?>