Send Contact Form 7 to WhatsApp

solusipress-contact-form-7-wa.php

<?php 

class SP_Contact_Form_WA {
	protected $ids = array();
	protected $script_loaded = false;
	protected $bodies = array();
	protected $numbers = array();
	
	public function __construct() {
		add_shortcode( 'contact-form-7-wa', array( $this, 'render_contact_form' ) );
		add_action( 'wp_footer', array( $this, 'render_script_footer' ), 99 );
	}
	public function render_contact_form( $atts ) {
		wp_enqueue_script( 'underscore' );
		$shortcode = '[contact-form-7';
		if( isset( $atts['number'] ) && $atts['number'] != '' ) {
			$this->numbers[$atts['id']] = $atts['number'];
			unset( $atts['number'] );
		}
		foreach( $atts as $key=>$val ) {
			$shortcode .= ' ' . $key .'="' . $val . '"';
		}
		$shortcode .= ']';
		$html = do_shortcode( $shortcode );
		array_push( $this->ids, intval($atts['id']) );
		$_mail = get_post_meta( $atts['id'], '_mail', true );
		if( $_mail && isset( $_mail['body'] ) ) {
			$this->bodies[$atts['id']] = $_mail['body'];
		}
		return $html;
	}
	public function render_script_footer() {
		if( !empty( $this->ids ) && !$this->script_loaded ) : ?>
<script type="text/javascript">
var cf7wa_ids = <?php echo json_encode( $this->ids ); ?>; 
var cf7wa_numbers = <?php echo json_encode( $this->numbers ); ?>; 
var cf7wa_bodies = <?php echo json_encode( $this->bodies ) ?>;
(function( $ ){
	document.addEventListener( 'wpcf7mailsent', function( event ) {
		var the_id = event.detail.contactFormId;
		if( _.indexOf( cf7wa_ids, the_id ) ) {
			var inputs = event.detail.inputs;
			var the_text = cf7wa_bodies[the_id];
			$.each( inputs, function( index, detail ) {
				the_text = the_text.replace( '[' + detail.name + ']', detail.value );
			} );
			the_text = window.encodeURIComponent( the_text );
			var the_phone = cf7wa_numbers[ the_id ];
			var url = 'https://api.whatsapp.com/send?phone=' + the_phone + '&text=' + the_text;
			var isSafari = !!navigator.userAgent.match(/Version\/[\d\.]+.*Safari/);
			var iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
			if( isSafari && iOS ) {
				location = url;
			} else {
				window.open( url, '_blank' );
			}			
		}
	} );
})(jQuery);
</script>
		<?php  endif;
		$this->script_loaded = true;
	}
}

new SP_Contact_Form_WA();