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<?php /** ** A base module for [count], Twitter-like character count **/
/* form_tag handler */
add_action( 'wpcf7_init', 'wpcf7_add_form_tag_count', 10, 0 );
function wpcf7_add_form_tag_count() { wpcf7_add_form_tag( 'count', 'wpcf7_count_form_tag_handler', array( 'name-attr' => true, 'zero-controls-container' => true, 'not-for-mail' => true, ) ); }
function wpcf7_count_form_tag_handler( $tag ) { if ( empty( $tag->name ) ) { return ''; }
$targets = wpcf7_scan_form_tags( array( 'name' => $tag->name ) ); $maxlength = $minlength = null;
while ( $targets ) { $target = array_shift( $targets );
if ( 'count' != $target->type ) { $maxlength = $target->get_maxlength_option(); $minlength = $target->get_minlength_option(); break; } }
if ( $maxlength and $minlength and $maxlength < $minlength ) { $maxlength = $minlength = null; }
if ( $tag->has_option( 'down' ) ) { $value = (int) $maxlength; $class = 'wpcf7-character-count down'; } else { $value = '0'; $class = 'wpcf7-character-count up'; }
$atts = array(); $atts['id'] = $tag->get_id_option(); $atts['class'] = $tag->get_class_option( $class ); $atts['data-target-name'] = $tag->name; $atts['data-starting-value'] = $value; $atts['data-current-value'] = $value; $atts['data-maximum-value'] = $maxlength; $atts['data-minimum-value'] = $minlength; $atts = wpcf7_format_atts( $atts );
$html = sprintf( '<span %1$s>%2$s</span>', $atts, $value );
return $html; }
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