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* Plugin Name: WP Simple Pay - Change Custom Amount Field Type
* Plugin URI:
* Description: Change the type of the custom amount field to a number field.
* Version: 1.0
* In this example, we'll see how to change the custom amount field to type="number".
* Default "tel" input type brings up number pad but does not allow decimal entry on mobile browsers.
* If type="number", automatically add step="0.01" attribute.
function simpay_set_custom_amount_field_type() {
// Only accepts 'number' and 'tel'. Default is 'tel'
return 'number';
add_filter( 'simpay_custom_amount_field_type', 'simpay_set_custom_amount_field_type' );