name = 'email';
$this->label = __( 'Email', 'acf' );
$this->defaults = array(
'default_value' => '',
'placeholder' => '',
'prepend' => '',
'append' => '',
);
}
/*
* render_field()
*
* Create the HTML interface for your field
*
* @param $field - an array holding all the field's data
*
* @type action
* @since 3.6
* @date 23/01/13
*/
function render_field( $field ) {
// vars
$atts = array();
$keys = array( 'type', 'id', 'class', 'name', 'value', 'placeholder', 'pattern' );
$keys2 = array( 'readonly', 'disabled', 'required', 'multiple' );
$html = '';
// prepend
if ( $field['prepend'] !== '' ) {
$field['class'] .= ' acf-is-prepended';
$html .= '' . acf_esc_html( $field['prepend'] ) . '
';
}
// append
if ( $field['append'] !== '' ) {
$field['class'] .= ' acf-is-appended';
$html .= '' . acf_esc_html( $field['append'] ) . '
';
}
// atts (value="123")
foreach ( $keys as $k ) {
if ( isset( $field[ $k ] ) ) {
$atts[ $k ] = $field[ $k ];
}
}
// atts2 (disabled="disabled")
foreach ( $keys2 as $k ) {
if ( ! empty( $field[ $k ] ) ) {
$atts[ $k ] = $k;
}
}
// remove empty atts
$atts = acf_clean_atts( $atts );
// render
$html .= '' . acf_get_text_input( $atts ) . '
';
// return
echo $html;
}
/*
* render_field_settings()
*
* Create extra options for your field. This is rendered when editing a field.
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
*
* @type action
* @since 3.6
* @date 23/01/13
*
* @param $field - an array holding all the field's data
*/
function render_field_settings( $field ) {
// default_value
acf_render_field_setting(
$field,
array(
'label' => __( 'Default Value', 'acf' ),
'instructions' => __( 'Appears when creating a new post', 'acf' ),
'type' => 'text',
'name' => 'default_value',
)
);
// placeholder
acf_render_field_setting(
$field,
array(
'label' => __( 'Placeholder Text', 'acf' ),
'instructions' => __( 'Appears within the input', 'acf' ),
'type' => 'text',
'name' => 'placeholder',
)
);
// prepend
acf_render_field_setting(
$field,
array(
'label' => __( 'Prepend', 'acf' ),
'instructions' => __( 'Appears before the input', 'acf' ),
'type' => 'text',
'name' => 'prepend',
)
);
// append
acf_render_field_setting(
$field,
array(
'label' => __( 'Append', 'acf' ),
'instructions' => __( 'Appears after the input', 'acf' ),
'type' => 'text',
'name' => 'append',
)
);
}
/**
* Validate the email value. If this method returns TRUE, the input value is valid. If
* FALSE or a string is returned, the input value is invalid and the user is shown a
* notice. If a string is returned, the string is show as the message text.
*
* @param bool $valid Whether the value is valid.
* @param mixed $value The field value.
* @param array $field The field array.
* @param string $input The request variable name for the inbound field.
*
* @return bool|string
*/
public function validate_value( $valid, $value, $field, $input ) {
$flags = defined( 'FILTER_FLAG_EMAIL_UNICODE' ) ? FILTER_FLAG_EMAIL_UNICODE : 0;
if ( $value && filter_var( wp_unslash( $value ), FILTER_VALIDATE_EMAIL, $flags ) === false ) {
return sprintf( __( "'%s' is not a valid email address", 'acf' ), esc_html( $value ) );
}
return $valid;
}
}
// initialize
acf_register_field_type( 'acf_field_email' );
endif; // class_exists check