<?php add_filter( 'acf/validate_value/name=property_size', 'validate_property_size_field', 10, 4 ); function validate_property_size_field( $valid, $value, $field, $input ){ // bail early if value is already invalid if ( ! $valid ) { return $valid; } $property_type = $_POST['acf']['field_5f0aa92348bb6']; if ( $property_type == 'Rent' ){ if ( ! $value ) { $valid = __( 'This field is required for Rental Properties' ); } } return $valid; }
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