first commit

2023-11-30 13:20:54 -05:00
commit e9e5c0546c
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+<?php
+/**
+ * Helpers Reading Time
+ *
+ * @package    Powerkit
+ * @subpackage Modules/Helper
+ */
+
+/**
+ * Calculate Post Reading Time in Minutes
+ *
+ * @param int $post_id The post ID.
+ */
+function powerkit_calculate_post_reading_time( $post_id = null ) {
+	if ( ! $post_id ) {
+		$post_id = get_the_ID();
+	}
+
+	$post_content     = get_post_field( 'post_content', $post_id );
+	$strip_shortcodes = strip_shortcodes( $post_content );
+	$strip_tags       = strip_tags( $strip_shortcodes );
+
+	$str        = preg_replace( '/[[:punct:]]/', '', $strip_tags );
+	$str        = preg_replace( '/[\s]+/', ' ', $str );
+	$word_count = count( (array) array_filter( (array) explode( ' ', $str ) ) );
+
+	$reading_time = intval( ceil( $word_count / 265 ) );
+
+	// Filter for Reading Time.
+	if ( function_exists( 'iconv_strlen') ) {
+		$reading_time = apply_filters( 'powerkit_calculate_reading_time', $reading_time, iconv_strlen( $strip_tags ) );
+	} else {
+		$reading_time = apply_filters( 'powerkit_calculate_reading_time', $reading_time, mb_strlen( $strip_tags ) );
+	}
+
+	return $reading_time;
+}
+
+/**
+ * Get Post Reading Time from Post Meta
+ *
+ * @param int $post_id The post ID.
+ */
+function powerkit_get_post_reading_time( $post_id = null ) {
+	if ( ! $post_id ) {
+		$post_id = get_the_ID();
+	}
+
+	// Get existing post meta.
+	$reading_time = get_post_meta( $post_id, '_powerkit_reading_time', true );
+
+	// Calculate and save reading time, if there's no existing post meta.
+	if ( ! $reading_time ) {
+		$reading_time = powerkit_calculate_post_reading_time( $post_id );
+		update_post_meta( $post_id, '_powerkit_reading_time', $reading_time );
+	}
+
+	return $reading_time;
+}