<?php
/**
* Genesis Framework.
*
* WARNING: This file is part of the core Genesis Framework. DO NOT edit this file under any circumstances.
* Please do all modifications in the form of a child theme.
*
* @package Genesis\Formatting
* @author StudioPress
* @license GPL-2.0-or-later
* @link https://my.studiopress.com/themes/genesis/
*/
/**
* Return a phrase shortened in length to a maximum number of characters.
*
* Result will be truncated at the last white space in the original string. In this function the word separator is a
* single space. Other white space characters (like newlines and tabs) are ignored.
*
* If the first `$max_characters` of the string does not contain a space character, an empty string will be returned.
*
* @since 1.4.0
*
* @param string $text A string to be shortened.
* @param int $max_characters The maximum number of characters to return.
* @return string Truncated string. Empty string if `$max_characters` is falsy.
*/
function genesis_truncate_phrase( $text, $max_characters ) {
if ( ! $max_characters ) {
return '';
}
$text = trim( $text );
if ( mb_strlen( $text ) > $max_characters ) {
// Truncate $text to $max_characters + 1.
$text = mb_substr( $text, 0, $max_characters + 1 );
// Truncate to the last space in the truncated string.
$text_trim = trim( mb_substr( $text, 0, mb_strrpos( $text, ' ' ) ) );
$text = empty( $text_trim ) ? $text : $text_trim;
}
return $text;
}
// phpcs:disable WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedFunctionFound, WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Some of the earliest Genesis functions. Can't be renamed.
/**
* Return content stripped down and limited content.
*
* Strips out tags and shortcodes, limits the output to `$max_char` characters, and appends an ellipsis and more link to the end.
*
* @since 1.0.0
*
* @param int $max_characters The maximum number of characters to return.
* @param string $more_link_text Optional. Text of the more link. Default is "(more...)".
* @param bool $stripteaser Optional. Strip teaser content before the more text. Default is false.
* @return string Limited content.
*/
function get_the_content_limit( $max_characters, $more_link_text = '(more...)', $stripteaser = false ) {
$content = get_the_content( '', $stripteaser );
// Strip tags and shortcodes so the content truncation count is done correctly.
$content = strip_tags( strip_shortcodes( $content ), apply_filters( 'get_the_content_limit_allowedtags', '<script>,<style>' ) );
// Remove inline styles / scripts.
$content = trim( preg_replace( '#<(s(cript|tyle)).*?</\1>#si', '', $content ) );
// Truncate $content to $max_char.
$content = genesis_truncate_phrase( $content, $max_characters );
// More link?
if ( $more_link_text ) {
$link = apply_filters( 'get_the_content_more_link', sprintf( '… <a href="%s" class="more-link">%s</a>', get_permalink(), $more_link_text ), $more_link_text );
$output = sprintf( '<p>%s %s</p>', $content, $link );
} else {
$output = sprintf( '<p>%s</p>', $content );
$link = '';
}
return apply_filters( 'get_the_content_limit', $output, $content, $link, $max_characters );
}
/**
* Return more link text plus hidden title for screen readers, to improve accessibility.
*
* @since 2.2.0
*
* @param string $more_link_text Text of the more link.
* @return string `$more_link_text` with or without the hidden title.
*/
function genesis_a11y_more_link( $more_link_text ) {
if ( ! empty( $more_link_text ) && genesis_a11y( 'screen-reader-text' ) ) {
$more_link_text .= ' <span class="screen-reader-text">' . __( 'about ', 'genesis' ) . get_the_title() . '</span>';
}
return $more_link_text;
}
/**
* Echo the limited content.
*
* @since 1.0.0
*
* @param int $max_characters The maximum number of characters to return.
* @param string $more_link_text Optional. Text of the more link. Default is "(more...)".
* @param bool $stripteaser Optional. Strip teaser content before the more text. Default is false.
*/
function the_content_limit( $max_characters, $more_link_text = '(more...)', $stripteaser = false ) {
$content = get_the_content_limit( $max_characters, $more_link_text, $stripteaser );
echo apply_filters( 'the_content_limit', $content ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
// phpcs:enable WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedFunctionFound, WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
/**
* Add `rel="nofollow"` attribute and value to links within string passed in.
*
* @since 1.0.0
*
* @param string $text HTML markup.
* @return string Amended HTML markup with `rel="nofollow"` attribute.
*/
function genesis_rel_nofollow( $text ) {
$text = genesis_strip_attr( $text, 'a', 'rel' );
return stripslashes( wp_rel_nofollow( $text ) );
}
/**
* Remove attributes from a HTML element.
*
* This function accepts a string of HTML, parses it for any elements in the `$elements` array, then parses each element
* for any attributes in the `$attributes` array, and strips the attribute and its value(s).
*
* ~~~
* // Strip class attribute from an anchor
* genesis_strip_attr(
* '<a class="my-class" href="http://google.com/">Google</a>',
* 'a',
* 'class'
* );
* // Strips class and id attributes from div and span elements
* genesis_strip_attr(
* '<div class="my-class" id="the-div"><span class="my-class" id="the-span"></span></div>',
* array( 'div', 'span' ),
* array( 'class', 'id' )
* );
* ~~~
*
* @since 1.0.0
*
* @link http://studiopress.com/support/showthread.php?t=20633
*
* @param string $text A string of HTML formatted code.
* @param array|string $elements Elements that $attributes should be stripped from.
* @param array|string $attributes Attributes that should be stripped from $elements.
* @param bool $two_passes Whether the function should allow two passes.
* @return string HTML markup with attributes stripped.
*/
function genesis_strip_attr( $text, $elements, $attributes, $two_passes = true ) {
// Cache elements pattern.
$elements_pattern = implode( '|', (array) $elements );
// Build patterns.
$patterns = array();
foreach ( (array) $attributes as $attribute ) {
$patterns[] = sprintf( '~(<(?:%s(?=\s+))[^>]*)\s+%s(?:=(?:[\\\'"][^\\\'"]+[\\\'"]|(?:[^\s>\/]|\/(?!>))+))?([^>]*>)~', $elements_pattern, $attribute );
}
// First pass.
$text = preg_replace( $patterns, '$1$2', $text );
if ( $two_passes ) { // Second pass.
$text = preg_replace( $patterns, '$1$2', $text );
}
return $text;
}
/**
* Return the special URL of a paged post.
*
* Taken from _wp_link_page() in WordPress core, but instead of anchor markup, just return the URL.
*
* @since 2.2.0
*
* @param int $i The page number to generate the URL from.
* @param int $post_id The post ID.
* @return string Unescaped URL for the a paged post.
*/
function genesis_paged_post_url( $i, $post_id = 0 ) {
global $wp_rewrite;
$post = get_post( $post_id );
if ( 1 == $i ) {
$url = get_permalink( $post_id );
} elseif ( '' == get_option( 'permalink_structure' ) || in_array( $post->post_status, array( 'draft', 'pending' ) ) ) {
$url = add_query_arg( 'page', $i, get_permalink( $post_id ) );
} elseif ( 'page' == get_option( 'show_on_front' ) && get_option( 'page_on_front' ) == $post->ID ) {
$url = trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( "$wp_rewrite->pagination_base/" . $i, 'single_paged' );
} else {
$url = trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( $i, 'single_paged' );
}
return $url;
}
/**
* Sanitize multiple HTML classes in one pass.
*
* Accepts either an array of `$classes`, or a space separated string of classes and sanitizes them using the
* `sanitize_html_class()` WordPress function.
*
* @since 2.0.0
*
* @param array|string $classes Classes to be sanitized.
* @param string $return_format Optional. The return format, 'input', 'string', or 'array'. Default is 'input'.
* @return array|string String of multiple sanitized classes.
*/
function genesis_sanitize_html_classes( $classes, $return_format = 'input' ) {
if ( 'input' === $return_format ) {
$return_format = is_array( $classes ) ? 'array' : 'string';
}
$classes = is_array( $classes ) ? $classes : explode( ' ', $classes );
$sanitized_classes = array_map( 'sanitize_html_class', $classes );
if ( 'array' === $return_format ) {
return $sanitized_classes;
} else {
return implode( ' ', $sanitized_classes );
}
}
/**
* Return an array of allowed tags for output formatting.
*
* Mainly used by `wp_kses()` for sanitizing output.
*
* @since 1.6.0
*
* @return array Allowed elements and attributes, used with KSES.
*/
function genesis_formatting_allowedtags() {
return apply_filters(
'genesis_formatting_allowedtags',
array(
'a' => array(
'href' => array(),
'title' => array(),
),
'b' => array(),
'blockquote' => array(),
'br' => array(),
'div' => array(
'align' => array(),
'class' => array(),
'style' => array(),
),
'em' => array(),
'i' => array(),
'p' => array(
'align' => array(),
'class' => array(),
'style' => array(),
),
'span' => array(
'align' => array(),
'class' => array(),
'style' => array(),
),
'strong' => array(),
)
);
}
/**
* Wrapper for `wp_kses()` that can be used as a filter function.
*
* @since 1.8.0
*
* @param string $string Content to filter through KSES.
* @return string Filtered content with only allowed HTML elements.
*/
function genesis_formatting_kses( $string ) {
return wp_kses( $string, genesis_formatting_allowedtags() );
}
/**
* Calculate the time difference - a replacement for `human_time_diff()` until it is improved.
*
* Based on BuddyPress function `bp_core_time_since()`, which in turn is based on functions created by
* Dunstan Orchard - http://1976design.com
*
* This function will return an text representation of the time elapsed since a
* given date, giving the two largest units e.g.:
*
* - 2 hours and 50 minutes
* - 4 days
* - 4 weeks and 6 days
*
* @since 1.7.0
*
* @param int $older_date Unix timestamp of date you want to calculate the time since for`.
* @param int|bool $newer_date Optional. Unix timestamp of date to compare older date to. Default false (current time).
* @param int $relative_depth Optional, how many units to include in relative date. Default 2.
* @return string The time difference between two dates.
*/
function genesis_human_time_diff( $older_date, $newer_date = false, $relative_depth = 2 ) {
// If no newer date is given, assume now.
$newer_date = $newer_date ? $newer_date : time();
// Difference in seconds.
$since = absint( $newer_date - $older_date );
if ( ! $since ) {
return '0 ' . _x( 'seconds', 'time difference', 'genesis' );
}
// Hold units of time in seconds, and their pluralised strings (not translated yet).
$units = array(
/* translators: %s: Number of year(s). */
array( 31536000, _nx_noop( '%s year', '%s years', 'time difference', 'genesis' ) ), // 60 * 60 * 24 * 365
/* translators: %s: Number of month(s). */
array( 2592000, _nx_noop( '%s month', '%s months', 'time difference', 'genesis' ) ), // 60 * 60 * 24 * 30
/* translators: %s: Number of week(s). */
array( 604800, _nx_noop( '%s week', '%s weeks', 'time difference', 'genesis' ) ), // 60 * 60 * 24 * 7
/* translators: %s: Number of day(s). */
array( 86400, _nx_noop( '%s day', '%s days', 'time difference', 'genesis' ) ), // 60 * 60 * 24
/* translators: %s: Number of hour(s). */
array( 3600, _nx_noop( '%s hour', '%s hours', 'time difference', 'genesis' ) ), // 60 * 60
/* translators: %s: Number of minute(s). */
array( 60, _nx_noop( '%s minute', '%s minutes', 'time difference', 'genesis' ) ),
/* translators: %s: Number of second(s). */
array( 1, _nx_noop( '%s second', '%s seconds', 'time difference', 'genesis' ) ),
);
// Build output with as many units as specified in $relative_depth.
$relative_depth = (int) $relative_depth ? (int) $relative_depth : 2;
$i = 0;
$counted_seconds = 0;
$date_partials = array();
$amount_date_partials = 0;
$amount_units = count( $units );
while ( $amount_date_partials < $relative_depth && $i < $amount_units ) {
$seconds = $units[ $i ][0];
$count = (int) floor( ( $since - $counted_seconds ) / $seconds );
if ( 0 !== $count ) {
$date_partials[] = sprintf( translate_nooped_plural( $units[ $i ][1], $count, 'genesis' ), $count );
$counted_seconds += $count * $seconds;
$amount_date_partials = count( $date_partials );
}
$i++;
}
if ( empty( $date_partials ) ) {
$output = '';
} elseif ( 1 === count( $date_partials ) ) {
$output = $date_partials[0];
} else {
// Combine all but last partial using commas.
$output = implode( ', ', array_slice( $date_partials, 0, -1 ) );
// Add 'and' separator.
$output .= ' ' . _x( 'and', 'separator in time difference', 'genesis' ) . ' ';
// Add last partial.
$output .= end( $date_partials );
}
return $output;
}
/**
* Mark up content with code tags.
*
* Escapes all HTML, so `<` gets changed to `<` and displays correctly.
*
* Used almost exclusively within labels and text in user interfaces added by Genesis.
*
* @since 2.0.0
*
* @param string $content Content to be wrapped in code tags.
* @return string Content wrapped in `code` tags.
*/
function genesis_code( $content ) {
return '<code>' . esc_html( $content ) . '</code>';
}
/**
* Remove paragraph tags from content.
*
* @since 2.5.0
*
* @param string $content Content possibly containing paragraph tags.
* @return string Content without paragraph tags.
*/
function genesis_strip_p_tags( $content ) {
return preg_replace( '/<p\b[^>]*>(.*?)<\/p>/i', '$1', $content );
}