我正在尝试将 javascript 中的函数重写为 php,但它不起作用。也许这里有人可以告诉我哪里出错了?先感谢您。
Javascript ...(工作功能)
var match;
var chords = ['C','C#','D','D#','E','F','F#','G','G#','A','A#','B','C','Db','D','Eb','E','F','Gb','G','Ab','A','Bb','B','C'];
var chords2 = ['C','Db','D','Eb','E','F','Gb','G','Ab','A','Bb','B','C','C#','D','D#','E','F','F#','G','G#','A','A#','C'];
var chordRegex = /(?:C#|D#|F#|G#|A#|Db|Eb|Gb|Ab|Bb|C|D|E|F|G|A|B)/g;
var rec = /\{(.*?)\}/g; // gets all info between { and }
function transposeUp(){
var html = $('.yui-editor-editable').contents().find('body'); //gets the contents
var matches = $(html).html().match(rec);/////Gets all matches within the html
var text = $(html).html(); // html of the html var
for (var i = 0; i < matches.length; i++) { /////foreach match do
///// initializes variables /////
var currentChord = String(matches[i]); //// sets current chord
currentChord = currentChord.substring(currentChord.indexOf("{") + 1, currentChord.indexOf("}")); //sets current chord cont.
var output = "";
var parts = currentChord.split(chordRegex); // splits currentChord into parts in the chordRegex
var index = 0;
/////////////////////////////////
while (match = chordRegex.exec(currentChord)) { // while the match is equal to the currentChord do
var chordIndex = chords2.indexOf(match[0]); // find the position of the matched chord within the chords2 array
output += parts[index++] + chords[chordIndex + 1]; // build the output
}
output += parts[index];
text = text.replace(matches[i], '{'+output+'}'); //replace the text with the new chords
}
$(html).html(text); // set the html value as the new text
}
PHP...
function transposeUp($songchart){
$chords1 = array('C','C#','D','D#','E','F','F#','G','G#','A','A#','B','C','Db','D','Eb','E','F','Gb','G','Ab','A','Bb','B','C');
$chords2 = array('C','Db','D','Eb','E','F','Gb','G','Ab','A','Bb','B','C','C#','D','D#','E','F','F#','G','G#','A','A#','C');
$chordRegex = "/(?:C#|D#|F#|G#|A#|Db|Eb|Gb|Ab|Bb|C|D|E|F|G|A|B)/";
$matches = preg_match_all('#{.*(.*)}#U', $songchart, $chords);
$chord = $chords[1];
foreach($chord as $key => $value){
$output = '';
$parts = preg_split($chordRegex, $value);
$index = 0;
while(preg_match($chordRegex, $value, $note)){
$chordIndex = strpos($chords2, $note[0]);
$output .= $parts[$index++] . $chords1[$chordIndex + 1];
}
$output .= $parts[$index];
$songchart = preg_replace($value, $output, $songchart);
}
return($songchart);
}