<?php
/*************************************************************
* This script is developed by Arturs Sosins aka ar2rsawseen, http://webcodingeasy.com
* Fee free to distribute and modify code, but keep reference to its creator
*
* This class implements music theory for generating scales and chords
* based on interval patterns between notes. User can add custom scale and chord pattern.
* This class can generate scale notes based on provided scale name and type,
* generate chord notes based on provided chord name and type,
* transpose scales, transpose chords,
* generate all chords that include provided notes,
* generate all scales that include provided notes,
*
* For more information, examples and online documentation visit:
* http://webcodingeasy.com/PHP-classes/Implement-music-theory-to-generate-scale-and-chord-notes
**************************************************************/
//declaring class instance
include("./music_theory.php");
$mt = new music_theory();
//sharp notation will be used
$mt->set_sharp();
/**************** Get scale by name *************************/
echo "<p>Get Scales, input: (C minor):</p>";
//get result array
$arr = $mt->get_scale_by_name("C", "minor");
//check if there were any errors
$errors = $mt->get_errors();
if(!empty($errors))
{
foreach($errors as $error)
{
echo "<p>".$error."</p>";
}
}
else
{
echo "<pre>";
print_r($arr);
echo "</pre>";
}
/**************** Get chord by name *************************/
echo "<p>Get Chord, input: (C major):</p>";
//get result array
$arr = $mt->get_chord_by_name("C", "major", 1);
//check if there were any errors
$errors = $mt->get_errors();
if(!empty($errors))
{
foreach($errors as $error)
{
echo "<p>".$error."</p>";
}
}
else
{
echo "<pre>";
print_r($arr);
echo "</pre>";
}
/**************** Get chords by ņotes *************************/
echo "<p>Get Chords by notes, input:(C, A, F):</p>";
//get result array
$arr = $mt->get_chords_by_notes(array("c","a","f"));
//check if there were any errors
$errors = $mt->get_errors();
if(!empty($errors))
{
foreach($errors as $error)
{
echo "<p>".$error."</p>";
}
}
else
{
echo "<pre>";
print_r($arr);
echo "</pre>";
}
/**************** Get scales by ņotes *************************/
echo "<p>Get Scales by notes, input: (C, A, F):</p>";
//get result array
$arr = $mt->get_scales_by_notes(array("c","a","f"));
//check if there were any errors
$errors = $mt->get_errors();
if(!empty($errors))
{
foreach($errors as $error)
{
echo "<p>".$error."</p>";
}
}
else
{
echo "<pre>";
print_r($arr);
echo "</pre>";
}
/**************** Get scales by chords *************************/
echo "<p>Get Scales by chords, input (C major and A minor):</p>";
$chords = array(array("name" => "C", "type" => "major"), array("name" => "A", "type" => "minor"));
//get result array
$arr = $mt->get_scales_by_chords($chords);
//check if there were any errors
$errors = $mt->get_errors();
if(!empty($errors))
{
foreach($errors as $error)
{
echo "<p>".$error."</p>";
}
}
else
{
echo "<pre>";
print_r($arr);
echo "</pre>";
}
/**************** Get scales by chords *************************/
echo "<p>Get Chords by scale, input: (C minor):</p>";
//get result array
$arr = $mt->get_chords_by_scale("C", "minor");
//check if there were any errors
$errors = $mt->get_errors();
if(!empty($errors))
{
foreach($errors as $error)
{
echo "<p>".$error."</p>";
}
}
else
{
echo "<pre>";
print_r($arr);
echo "</pre>";
}
?>
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