121 lines
2.4 KiB
PHP
121 lines
2.4 KiB
PHP
<?php
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// TEXT STRING_PREFIX --> TEXT_STARTING_WITH_PREFIX
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// Places $prefix at the start of every line in $text.
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function prefix_text($text, $prefix)
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{
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$separator = "\r\n";
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$line = strtok($text, $separator);
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$prefixed_text="";
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while ($line !== false) {
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$prefixed_text=$prefixed_text . $prefix . $line . "\n";
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$line = strtok($separator);
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}
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return $prefixed_text;
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}
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// STRING COLUMN_SIZE_NUMBER --> TEXT_FORMATTED_TO_SIZED_LINES
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// Turns all lines in a string into, at the max, sized at $column_size
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// Perfect for consistent formatting <3
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function set_line_length($original, $line_width)
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{
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$text_len = strlen($original) - 1;
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$line_width = $line_width - 1;
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$resized = [];
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$new_line = true;
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if ($text_len + 1 == 0) {
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return 0;
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}
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// j is the index for $resized, the string deriving from $text
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// they will both be different sizes, and so need different indexes
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$j = 0;
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for($i = 0; $i <= $text_len; $i++) {
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$cur_character = substr($original, $i, 1);
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if ($i % $line_width == 0 && $i != 0) {
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// if not in middle of word, just start a newline
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// otherwise, hypenate the word across a newline
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if ($cur_character == ' ') {
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$resized[$j] = "\n";
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$j++;
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}
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else if (is_punctuation($cur_character)) {
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$resized[$j] = "$cur_character";
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$resized[$j + 1] = "\n";
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$j++;
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}
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else {
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$resized[$j] = "-";
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$resized[$j + 1] = "\n";
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$resized[$j + 2] = $original[$i];
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$j += 2;
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}
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$new_line = true;
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}
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else {
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if ($new_line == true && $cur_character == ' ') {
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}
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else {
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$resized[$j] = $original[$i];
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}
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$new_line = false;
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}
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$j++;
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}
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return implode($resized);
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}
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// CHARACTER --> BOOLEAN
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// Check whether or not a character is punctuation.
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function is_punctuation($character)
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{
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$punctuations = array("!", "@", "#", "$", "%", "^", "&", "*", "(", ")",
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"[", "{", "}", "]", "`", "~", ";", ":", "'",
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"\"", ",", ".", "<", ">", "/", "?");
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return in_array($character, $punctuations);
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}
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// STRING --> FIRST_CHARACTER
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// Return the first character of a string.
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function strcar($string)
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{
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return substr($string, 0, 1);
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}
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// STRING --> ALL_BUT_FIRST_CHARACTER
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// Return all but the first character of a string.
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function strcdr($string)
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{
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return substr($string, 1);
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}
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// STRING --> SECOND_CHARACTER
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// Return the second character of a string.
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function strcadr($string)
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{
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return strcar(strcdr($string));
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}
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?>
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