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<?php

$acf_review_app_fields = array(
	"color-primary",
	"color-header-bg",
	"color-footer-bg",
	"color-site-bg",
	"color-layout-bg",
	"rp_nap_business_name",
	"rp_nap_phone",
	"rp_website_url",
);

// Iterate through field names defined in $acf_review_app_fields array
// Create PHP variables named the same with dashes converted to underscores
// for easy access later
foreach ( $acf_review_app_fields as $acf_field){
	// Populate variable value with data from ACF field
	$var = get_field( $acf_field, "option" );
	// Rename array entry with dashes swapped for underscores so they work as variables
	$acf_field = str_replace("-", "_", $acf_field);
	// Create a variable from the string with the value set to the ACF data
	${$acf_field} = $var;
}

// Access like so:
echo $color_primary;
echo $color_header_bg;