reasonableframework/helper/string.utils.php

294 lines
8.5 KiB
PHP

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