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seo-by-rank-math
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helpers
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class-str.php
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<?php /** * The String helpers. * * @since 1.0.0 * @package RankMath * @subpackage RankMath\Helpers * @author RankMath <support@rankmath.com> */ namespace RankMath\Helpers; /** * Str class. */ class Str { /** * Validates whether the passed variable is a empty string. * * @param mixed $variable The variable to validate. * * @return bool Whether or not the passed value is a non-empty string. */ public static function is_empty( $variable ) { return empty( $variable ) || ! is_string( $variable ); } /** * Validates whether the passed variable is a non-empty string. * * @param mixed $variable The variable to validate. * * @return bool Whether or not the passed value is a non-empty string. */ public static function is_non_empty( $variable ) { return is_string( $variable ) && '' !== $variable; } /** * Check if the string contains the given value. * * @param string $needle The sub-string to search for. * @param string $haystack The string to search. * * @return bool */ public static function contains( $needle, $haystack ) { return self::is_non_empty( $needle ) ? strpos( $haystack, $needle ) !== false : false; } /** * Check if the string begins with the given value. * * @param string $needle The sub-string to search for. * @param string $haystack The string to search. * * @return bool */ public static function starts_with( $needle, $haystack ) { return '' === $needle || substr( $haystack, 0, strlen( $needle ) ) === (string) $needle; } /** * Check if the string end with the given value. * * @param string $needle The sub-string to search for. * @param string $haystack The string to search. * * @return bool */ public static function ends_with( $needle, $haystack ) { return '' === $needle || substr( $haystack, -strlen( $needle ) ) === (string) $needle; } /** * Check the string for desired comparison. * * @param string $needle The sub-string to search for. * @param string $haystack The string to search. * @param string $comparison The type of comparison. * * @return bool */ public static function comparison( $needle, $haystack, $comparison = '' ) { $hash = [ 'regex' => 'preg_match', 'end' => [ __CLASS__, 'ends_with' ], 'start' => [ __CLASS__, 'starts_with' ], 'contains' => [ __CLASS__, 'contains' ], ]; if ( $comparison && isset( $hash[ $comparison ] ) ) { return call_user_func( $hash[ $comparison ], $needle, $haystack ); } // Exact. return $needle === $haystack; } /** * Convert string to array with defined seprator. * * @param string $str String to convert. * @param string $sep Seprator. * * @return bool|array */ public static function to_arr( $str, $sep = ',' ) { $parts = explode( $sep, trim( $str ) ); return empty( $parts ) ? false : $parts; } /** * Convert string to array, weed out empty elements and whitespaces. * * @param string $str User-defined list. * @param string $sep_pattern Separator pattern for regex. * * @return array */ public static function to_arr_no_empty( $str, $sep_pattern = '\r\n|[\r\n]' ) { $array = empty( $str ) ? [] : preg_split( '/' . $sep_pattern . '/', $str, -1, PREG_SPLIT_NO_EMPTY ); $array = array_filter( array_map( 'trim', $array ) ); return $array; } /** * This function transforms the php.ini notation for numbers (like '2M') to an integer. * * @param string $size The size. * * @return int */ public static function let_to_num( $size ) { $char = substr( $size, -1 ); $ret = substr( $size, 0, -1 ); // @codingStandardsIgnoreStart switch ( strtoupper( $char ) ) { case 'P': $ret *= 1024; case 'T': $ret *= 1024; case 'G': $ret *= 1024; case 'M': $ret *= 1024; case 'K': $ret *= 1024; } // @codingStandardsIgnoreEnd return $ret; } /** * Convert a number to K, M, B, etc. * * @param int|double $number Number which to convert to pretty string. * @param int $precision Decimal places in the human-readable format. * * @return string */ public static function human_number( $number, $precision = 1 ) { if ( ! is_numeric( $number ) ) { return 0; } $negative = ''; if ( abs( $number ) != $number ) { $negative = '-'; $number = abs( $number ); } if ( $number < 1000 ) { return $negative ? -1 * $number : $number; } $unit = intval( log( $number, 1000 ) ); $units = [ '', 'K', 'M', 'B', 'T', 'Q' ]; if ( array_key_exists( $unit, $units ) ) { return sprintf( '%s%s%s', $negative, rtrim( number_format( $number / pow( 1000, $unit ), $precision ), '.0' ), $units[ $unit ] ); } return $number; } /** * Truncate text for given length. * * @param {string} $str Text to truncate. * @param {number} $length Length to truncate for. * @param {string} $append Append to the end if string is truncated. * * @return {string} Truncated text. */ public static function truncate( $str, $length = 110, $append = '' ) { $str = wp_strip_all_tags( $str, true ); $strlen = mb_strlen( $str ); $excerpt = mb_substr( $str, 0, $length ); // Remove part of an entity at the end. $excerpt = preg_replace( '/&[^;\s]{0,6}$/', '', $excerpt ); if ( $str !== $excerpt ) { $strrpos = function_exists( 'mb_strrpos' ) ? 'mb_strrpos' : 'strrpos'; $excerpt = mb_substr( $str, 0, $strrpos( trim( $excerpt ), ' ' ) ); } if ( $strlen > $length ) { $excerpt .= $append; } return $excerpt; } /** * Multibyte ucwords. * * @param string $string String to convert. */ public static function mb_ucwords( $string ) { if ( ! function_exists( 'mb_convert_case' ) || ! function_exists( 'mb_detect_encoding' ) || mb_detect_encoding( $string ) !== 'UTF-8' ) { return ucwords( $string ); } $words = preg_split( '/([\s]+)/u', $string, -1, PREG_SPLIT_DELIM_CAPTURE ); $ucwords = ''; foreach ( $words as $word ) { if ( is_numeric( $word ) ) { $ucwords .= $word; continue; } if ( isset( $word[0] ) ) { $ucwords .= preg_match( '/[\p{L}]/u', $word[0] ) ? mb_strtoupper( $word[0], 'UTF-8' ) . mb_substr( $word, 1, mb_strlen( $word ), 'UTF-8' ) : $word; } } return $ucwords; } }
/home/sudancam/public_html/../public_html/wp-content/plugins/seo-by-rank-math/includes/helpers/class-str.php