Online PHP editor | refs for 9sgAf

<?php function esc_attr( $string ) { return $string; } function sanitize_key( $key ) { return $key; } function test( $choices ) { foreach( $choices as $key => $value ) { if ( is_integer( $key ) ) { $field_name = "field[$key]"; } elseif ( is_string( $key ) ) { $field_name = sprintf( 'field[%s]', sanitize_key( $key ) ); } else { // may want to throw an error here. } printf( '<input name="%s" value="1"/>', esc_attr( $field_name ) ); echo "\n"; } } echo "An indexed array\n"; $choices = array( 'Red', 'Blue', 'Green' ); test( $choices ); echo "\n\nAssociative array\n"; $choices = array( 'red' => 'Red', 'blue' => 'Blue', 'green' => 'Green' ); test( $choices );