294 lines
8.0 KiB
PHP
294 lines
8.0 KiB
PHP
<?php
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/**
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* @file string.utils.php
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* @created_on 2018-05-27
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* @updated_on 2020-01-25
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* @author Go Namhyeon <gnh1201@gmail.com>
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* @brief String utility helper
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*/
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if(!is_fn("get_converted_string")) {
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function get_converted_string($str, $to_charset="detect", $from_charset="detect") {
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$result = false;
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// detect charset (input)
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if($form_charset == "detect") {
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if(is_fn(array("mb_detect_encoding", "mb_detect_order"))) {
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$from_charset = mb_detect_encoding($str, mb_detect_order(), true);
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} else {
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$from_charset = "ISO-8859-1";
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}
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}
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// detect charset (output)
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if($to_charset == "detect") {
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if(is_fn("mb_internal_encoding")) {
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$to_charset = mb_internal_encoding();
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} elseif(is_fn("iconv_get_encoding")) {
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$to_charset = iconv_get_encoding("internal_encoding");
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} else {
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$_candidates = array(
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ini_get("default_charset"),
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ini_get("iconv.internal_encoding"),
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ini_get("mbstring.internal_encoding"),
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"UTF-8"
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);
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foreach($_candidates as $_candidate) {
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if(!empty($_candidate)) {
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$to_charset = $_candidate;
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break;
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}
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}
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}
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}
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// normalize charset (UPPERCASE)
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$from_charset = strtoupper($from_charset);
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$to_charset = strtoupper($to_charset);
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// test conditions
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if($from_charset == $to_charset) {
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$result = $str;
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} elseif(is_fn("iconv")) {
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$result = iconv($from_charset, $to_charset, $str);
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} elseif(is_fn("mb_convert_encoding")) {
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$result = mb_convert_encoding($str, $to_charset, $from_charset);
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}
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return $result;
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}
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}
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if(!is_fn("nl2p")) {
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function nl2p($string) {
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$paragraphs = '';
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foreach (explode("\n", $string) as $line) {
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if (trim($line)) {
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$paragraphs .= '<p>' . $line . '</p>';
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}
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}
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return $paragraphs;
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}
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}
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if(!is_fn("br2nl")) {
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function br2nl($string) {
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return preg_replace('/\<br(\s*)?\/?\>/i', "\n", $string);
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}
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}
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if(!is_fn("br2p")) {
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function br2p($string) {
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return nl2p(br2nl($string));
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}
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}
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if(!is_fn("get_formatted_number")) {
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function get_formatted_number($value) {
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return number_format(floatval($value));
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}
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}
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if(!is_fn("get_cutted_string")) {
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function get_cutted_string($str, $start, $len=null, $charset="utf-8") {
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$result = "";
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if(is_fn("iconv_substr")) {
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$result = iconv_substr($str, $start, $len, $charset);
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} elseif(is_fn("mb_substr")) {
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$result = mb_substr($str, $start, $len, $charset);
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} else {
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$result = substr($str, $start, $len);
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}
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return $result;
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}
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}
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if(!is_fn("get_string_length")) {
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function get_string_length($str, $charset="utf-8") {
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$len = 0;
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if(is_fn("iconv_strlen")) {
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$len = iconv_strlen($str, $charset);
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} elseif(is_fn("mb_strlen")) {
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$len = mb_strlen($str, $charset);
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} else {
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$len = strlen($str);
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}
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return $len;
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}
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}
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if(!is_fn("get_splitted_strings")) {
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function get_splitted_strings($str, $len=32, $chsarset="utf-8") {
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$strings = array();
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$_len = get_string_length($str);
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$_pos = 0;
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if($len >= $_len) {
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$strings[] = $str;
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} else {
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$__len = ceil($_len / $len);
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for($i = 0; $i < $__len; $i++) {
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$_pos = $len * $i;
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$strings[] = get_cutted_string($str, $_pos, $len, $charset);
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}
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if($_len - $_pos > 0) {
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$strings[] = $strings[] = get_cutted_string($str, $_pos);
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}
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}
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return $strings;
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}
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}
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if(!is_fn("split_by_line")) {
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function split_by_line($str) {
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return preg_split('/\n|\r\n?/', $str);
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}
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}
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if(!is_fn("read_storage_file_by_line")) {
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function read_storage_file_by_line($filename, $options=array()) {
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return split_by_line(read_storage_file($filename, $options));
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}
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}
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// https://stackoverflow.com/questions/834303/startswith-and-endswith-functions-in-php
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if(!is_fn("startsWith")) {
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function startsWith($haystack, $needle) {
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$length = strlen($needle);
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return (substr($haystack, 0, $length) === $needle);
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}
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}
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if(!is_fn("endsWith")) {
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function endsWith($haystack, $needle) {
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$length = strlen($needle);
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if($length == 0) {
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return true;
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}
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return (substr($haystack, -$length) === $needle);
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}
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}
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// https://stackoverflow.com/questions/4955433/php-multiple-delimiters-in-explode/27767665#27767665
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if(!is_fn("multi_explode")) {
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function multi_explode($delimiters, $string) {
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$ready = str_replace($delimiters, $delimiters[0], $string);
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$launch = explode($delimiters[0], $ready);
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return $launch;
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}
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}
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if(!is_fn("multi_strpos")) {
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function multi_strpos($string, $delimiters, $offset=0) {
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$last_pos = strlen($string) - 1;
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$pos = $last_pos;
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if($offset > 0) {
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$string = substr($offset);
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}
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foreach($delimiters as $s) {
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$new_pos = strpos($string, $s);
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if($new_pos !== false && $pos > $new_pos) {
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$pos = $new_pos;
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}
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}
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return (($pos < $last_pos) ? $pos : false);
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}
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}
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if(!is_fn("multi_str_split")) {
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function multi_str_split($string, $delimiters) {
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$strings = array();
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if(is_string($string)) {
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$offset = 0;
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$pos = -1;
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while(!($pos !== false)) {
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$offset = $pos + 1;
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$pos = multi_strpos($string, $delimiters, $offset);
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$strings[] = substr($string, $offset, $pos - $offset);
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}
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}
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return $strings;
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}
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}
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if(!is_fn("parse_pipelined_data")) {
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function parse_pipelined_data($pipelined_data, $keynames=array()) {
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$result = array();
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$parsed_data = explode("|", $pipelined_data);
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if(count($keynames) > 0) {
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$i = 0;
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foreach($keynames as $name) {
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$result[$name] = $parsed_data[$i];
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$i++;
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}
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} else {
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$result = $parsed_data;
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}
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return $result;
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}
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}
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// https://stackoverflow.com/questions/10290849/how-to-remove-multiple-utf-8-bom-sequences
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if(!is_fn("remove_utf8_bom")) {
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function remove_utf8_bom($text) {
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$bom = pack('H*','EFBBBF');
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$text = preg_replace("/^$bom/", '', $text);
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return $text;
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}
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}
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if(!is_fn("get_tokenized_text")) {
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function get_tokenized_text($text, $delimiters=array()) {
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if(count($delimiters) > 0) {
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return array_values(array_filter(multi_explode($delimiters, $text)));
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} else {
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return preg_split('/\s+/', $text, -1, PREG_SPLIT_NO_EMPTY);
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}
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}
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}
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if(!is_fn("get_highlighted_html_by_words")) {
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function get_highlighted_html_by_word($word, $text, $delimiters=array()) {
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$html = $text;
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$words = get_tokenized_text($word, $delimiters);
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if(check_array_length($words, 0) > 0) {
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$html = preg_replace(sprintf("/%s/i", implode("|", $words)), "<strong class=\"highlight\">$0</strong>", $text);
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}
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return $html;
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}
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}
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if(!is_fn("get_floating_percentage")) {
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function get_floating_percentage($x, $a=2) {
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return round(floatval($x) / 100, floatval($a));
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}
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}
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if(!is_fn("eregi_compatible")) {
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function eregi_compatible($pattern, $subject, &$matches=NULL) {
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return preg_match(sprintf("/%s/i", $pattern), $subject, $matches);
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}
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}
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if(!is_fn("eregi_replace_compatible")) {
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function eregi_replace_compatible($pattern, $replacement, $subject) {
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return preg_replace(sprintf("/%s/i", $pattern), $replacement, $subject);
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}
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}
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