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Adding custom validation in admin fields

  • How can I add a custom validation for the url type in the advanced custom field.
    I want to validate the input for the http:// or https://

  • Hi @mukesh.t,

    You can use parse_url(...) PHP function in your acf/validate_value function.

    add_filter('acf/validate_value/name=validate_this_image', 'my_acf_validate_value', 10, 4);
    function my_acf_validate_value( $valid, $value, $field, $input ){
    	if( !$valid ) {
    		return $valid;
    	if($url['scheme'] == 'https'){
    	   // is https;
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