PHP Classes

PHP Graph: Generate charts to display as images in Web pages

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Version License PHP version Categories
graph-php 1.0.1GNU General Publi...5HTML, PHP 5, Graphics, Statistics
Description 

Author

Rafael Martin Soto

This package can generate charts to display as images on Web pages.

It can take parameters that define details of the presentation of a chart like the values, colors, labels, background images, etc.

The package can render images for charts of different types like graph bars, line graphs, histograms, scatters with a cleaned visual graph image.

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Example

<?php
 /** example.php // example file for graph-php.class.php
  *
  *
  * @author Rafael Martin Soto
  * @author {@link https://www.inatica.com/ Inatica}
  * @blog {@link https://rafamartin10.blogspot.com/ Blog Rafael Martin Soto}
  * @since October 2021
  * @version 1.0.0
  * @license GNU General Public License v3.0
  *
  * */

require __DIR__ . '/graph-php.class.php';
?><!doctype html>

<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <title>Example Graph-PHP</title>
  <meta name="description" content="Example Graph-PHP">
  <meta name="author" content="SitePoint">

  <meta property="og:title" content="Example Graph-PHP">
  <meta property="og:type" content="website">
  <meta property="og:url" content="https://www.inatica.com">
  <meta property="og:description" content="Example Graph-PHP">

</head>
<body>
<?php

//$graph = new graph();
//$max_min = [10, 15];
//print "for ".$max_min[0]."/".$max_min[1]." diff ".($max_min[1]-$max_min[0]).": ";
//echo $graph->compute_offset($max_min[0])."/".$graph->compute_offset($max_min[1]);
//var_dump($graph->compute_offset($max_min) );
 
//unset($graph);



$graph = new graph();
$graph->bar( [1, 2, 3, 4] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();
$graph->title("Here your graph TITLE");
$graph->bar( [1, 2, 3, 4] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->ylabel( 'Here your graph Y LABEL' );
$graph->bar( [1, 2, 3, 4] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->xlabel( 'Here your graph X LABEL' );
$graph->bar( [1, 2, 3, 4] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);




$graph = new graph();

$graph->bar( [10, 20, 30, 40], [1, 4, 9, 16] );
$graph->title("With X & Y Values");
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();

$graph->bar( [1, 2, 3, 4], [1, 4, 9, 16] );
$graph->axes([0, 6, 0, 20]);
$graph->title("Limits Axis X & Y");
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->plot( [1, 1.5, 2, 1.8, 3] );
$graph->title("Simple Plot graph with line");
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->plot( [1, 1.5, 2, 1.8, 3] );
$graph->plot( [2, 2.8, 1.7, 2, 2.3] );
$graph->title("Multi Line");
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$x = $graph->math->linspace( 0, 2, 50 );
$graph->plot( $x, $x, ['label'=>'linear'] );
$graph->plot( $x, $graph->math->pow($x, 2), ['label'=>'quadratic'] );
$graph->plot( $x, $graph->math->pow($x, 3), ['label'=>'cubic'] );
$graph->xlabel('x label');
$graph->ylabel('y label');
$graph->title("Simple Plot. With Legend & Labels X, Y");
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->bar( [1, 2, 3, 4], [10, 9, 10, 8] );
$graph->bar( [1, 2, 3, 4], [8, 6, 9, 7] );
$graph->bar( [1, 2, 3, 4], [6, 5, 7, 5] );
$graph->bar( [1, 2, 3, 4], [3, 3, 4, 2] );
$graph->axes([0, 6, 0, 20]);
$graph->title( 'Multi Bar & fixed Axis Values' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->bar( [1, 2, 3, 4, 5, 6, 7], [1, 4, 9, 16, 17, 18, 17] );
$graph->plot( [1, 2, 3, 4, 5, 6, 7], [10,8, 5, 10,15, 16, 15] );
$graph->title( 'Bar & Line' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->bar( [1, 2, 3, 4, 5, 6, 7], [1, 4, 9, 16, 17, 18, 17] );
$graph->plot( [1, 2, 3, 4, 5, 6, 7], [10,8, 5, 10,15, 16, 15] );
$graph->title( 'Legend' );
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->bar( [1, 2, 3, 4, 5, 6, 7], [1, 4, 9, 16, 17, 18, 17], ['label'=>'Name Legend 1'] );
$graph->plot( [1, 2, 3, 4, 5, 6, 7], [10,8, 5, 10,15, 16, 15], ['label'=>'Name Legend 2'] );
$graph->title( 'Legend with label names' );
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();

$graph->plot( [4, 5, 6, 7], [1, 4, 9, 16], ['marker' => 'x'] );
$graph->plot( [4, 5, 6, 7], [5, 8, 7, 10], ['marker' => 'o'] );
$graph->axes([2, 9, 0, 20]);
$graph->title( 'Lines & Legend with "x" & "o" markers' );
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);

$graph = new graph();

$graph->plot( [4, 5, 6, 7], [1, 4, 9, 16], ['marker' => 'd'] );
$graph->plot( [4, 5, 6, 7], [5, 8, 7, 10], ['marker' => 'd'] );
$graph->axes([2, 9, 0, 20]);
$graph->title( '"d" - Diamond Marker' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->plot( [4, 5, 6, 7], [1, 4, 9, 16], 'o' );
$graph->plot( [4, 5, 6, 7], [5, 8, 7, 10], 'x-' );
$graph->axes([2, 9, 0, 20]);
$graph->title( 'Line with marker & only markers' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);





$graph = new graph();
$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
$graph->title( 'Colors, disctont. line & markers "--", "square", "^"' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->bar( [4.2, 4.4, 4.6, 4.8, 5, 5.2, 5.4, 5.6, 5.8, 6], [1, 4, 9, 16, 1, 4, 9, 16, 5, 4] );
$graph->xlabel( 'entry a' );
$graph->title( 'Histogram of IQ' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->plot( [1, 2, 3, 4], [1, 4, 9, 16] );
$graph->plot( [1, 2, 3, 4], [10, 3, 5, 10] );
$graph->plot( [1, 2, 3, 4], [5, 4, 3, 4] );
$graph->plot( [1, 2, 3, 4], [7, 4, 10, 15] );
$graph->plot( [1, 2, 3, 4], [7, 8, 4, 2] );
$graph->plot( [1, 2, 3, 4], [2, 1, 2, 20] );
$graph->plot( [1, 2, 3, 4], [20, 10, 20, 20] );
$graph->plot( [1, 2, 3, 4], [3, 4, 5, 4] );
$graph->plot( [1, 2, 3, 4], [7, 8, 9, 10] );
$graph->plot( [1, 2, 3, 4], [10, 11, 12, 13] );
$graph->plot( [1, 2, 3, 4], [14, 15, 16, 17] );
$graph->plot( [1, 2, 3, 4], [16, 17, 18, 19] );
$graph->axes([null, null, 0, 20]);
$graph->title( 'A lot of lines' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();
$graph->set_drawguidelines( );

$graph->plot( [1, 2, 3, 4], [1, 4, 9, 16] );
$graph->plot( [1, 2, 3, 4], [10, 3, 5, 10] );
$graph->plot( [1, 2, 3, 4], [5, 4, 3, 4] );
$graph->plot( [1, 2, 3, 4], [7, 4, 10, 15] );
$graph->plot( [1, 2, 3, 4], [7, 8, 4, 2] );
$graph->plot( [1, 2, 3, 4], [2, 1, 2, 20] );
$graph->plot( [1, 2, 3, 4], [20, 10, 20, 20] );
$graph->plot( [1, 2, 3, 4], [3, 4, 5, 4] );
$graph->plot( [1, 2, 3, 4], [7, 8, 9, 10] );
$graph->plot( [1, 2, 3, 4], [10, 11, 12, 13] );
$graph->plot( [1, 2, 3, 4], [14, 15, 16, 17] );
$graph->plot( [1, 2, 3, 4], [16, 17, 18, 19] );
$graph->axes([null, null, 0, 20]);
$graph->title( 'Better with Guidelines' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->plot( [4, 5, 6, 7], [1, 4, 9, 16], ['marker' => __DIR__ . '/author.png',] );
$graph->title( 'Custom image ^_^\'' );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->plot( [4, 5, 6, 7], [1, 4, 9, 16], ['marker' => __DIR__ . '/custom_marker.png', 'label'=>'PHP'] );
$graph->plot( [4, 5, 6, 7], [3, 7, 13, 8], ['marker' => __DIR__ . '/tux.png', 'label'=>'GNU/Linux'] );
$graph->plot( [4, 5, 6, 7], [5, 2, 7, 5], ['marker' => __DIR__ . '/nginx.png', 'label'=>'NGINX'] );
$graph->legendwidthlines( 65 );
$graph->legendlabelheight( 33 );
$graph->title( 'Custom Images with Legend' );
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$graph->plot( [4, 5, 6, 7], [1, 4, 9, 16], ['marker' => __DIR__ . '/custom_marker.png', 'label'=>'PHP'] );
$graph->plot( [4, 5, 6, 7], [3, 7, 13, 8], ['marker' => __DIR__ . '/tux.png', 'label'=>'GNU/Linux'] );
$graph->plot( [4, 5, 6, 7], [5, 2, 7, 5], ['marker' => __DIR__ . '/nginx.png', 'label'=>'NGINX'] );
$graph->set_drawguidelines( );
$graph->legendwidthlines( 65 );
$graph->legendlabelheight( 33 );
$graph->title( 'Better with Guidelines' );
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);





$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$x = $graph->math->linspace( 0, 5, 20 );
$graph->title( 'Original Background' );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);





$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Scaled Bicubic Background' );
$graph->bckgr_img_gd->imagescale( 64, -1, IMG_BICUBIC );
$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Smooth Background' );
$graph->bckgr_img_gd->filter( IMG_FILTER_SMOOTH, -7 );
$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Gaussian Blur Filter Background' );
for($i = 0; $i< 10; $i++ ){
  $graph->bckgr_img_gd->filter( IMG_FILTER_GAUSSIAN_BLUR );
}
$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);







$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Sepia, Brightness & contrast Background' );
$graph->bckgr_img_gd->filter( IMG_FILTER_SEPIA, 4, 80 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, -50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 100 );
$graph->bckgr_img_gd->filter( IMG_FILTER_CONTRAST, 50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 100 );
$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);




$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Gray, Brightness & contrast Background' );
$graph->bckgr_img_gd->filter( IMG_FILTER_GRAYSCALE );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, -50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 100 );
$graph->bckgr_img_gd->filter( IMG_FILTER_CONTRAST, 50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 115 );
$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);




$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'B/W, Brightness & contrast Background' );
$graph->bckgr_img_gd->filter( IMG_FILTER_BLACK_WHITE );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, -50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 100 );
$graph->bckgr_img_gd->filter( IMG_FILTER_CONTRAST, 50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 100 );
$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);




// Interpolation IMG_NEAREST_NEIGHBOUR
$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Scaled & unscaled with Bilinear/G. Blur Background' );

$graph->bckgr_img_gd->imagescale( 64, -1, IMG_BILINEAR_FIXED );
  $graph->bckgr_img_gd->filter( IMG_FILTER_GAUSSIAN_BLUR );
$graph->bckgr_img_gd->imagescale( 400, -1, IMG_BILINEAR_FIXED );

$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



// Interpolation IMG_NEAREST_NEIGHBOUR
$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Scaled & unscaled with Bicubic/G. Blur Background x1' );

$graph->bckgr_img_gd->imagescale( 64, -1, IMG_BICUBIC );
$graph->bckgr_img_gd->filter( IMG_FILTER_GAUSSIAN_BLUR );
$graph->bckgr_img_gd->imagescale( 400, -1, IMG_BICUBIC );

$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



// Interpolation IMG_NEAREST_NEIGHBOUR
$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Scaled & unscaled with Bicubic/G. Blur Background x3' );

$graph->bckgr_img_gd->imagescale( 64, -1, IMG_BICUBIC );
for($i = 0; $i< 3; $i++ ){
  $graph->bckgr_img_gd->filter( IMG_FILTER_GAUSSIAN_BLUR );
}
$graph->bckgr_img_gd->imagescale( 400, -1, IMG_BICUBIC );

$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



// Interpolation IMG_NEAREST_NEIGHBOUR
$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Scaled & unscaled with Bicubic/G. Blur Background x5' );

$graph->bckgr_img_gd->imagescale( 64, -1, IMG_BICUBIC );
for($i = 0; $i< 5; $i++ ){
  $graph->bckgr_img_gd->filter( IMG_FILTER_GAUSSIAN_BLUR );
}
$graph->bckgr_img_gd->imagescale( 400, -1, IMG_BICUBIC );

$x = $graph->math->linspace( 0, 5, 20 );
$graph->plot( [ [$x, $x, 'r--'], [$x, $graph->math->pow($x, 2), 'bs'], [$x, $graph->math->pow($x, 3), 'g^'] ] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$x = $graph->math->linspace( 0, 2, 50 );
$graph->plot( $x, $x, ['label'=>'linear'] );
$graph->plot( $x, $graph->math->pow($x, 2), ['label'=>'quadratic'] );
$graph->plot( $x, $graph->math->pow($x, 3), ['label'=>'cubic'] );
$graph->xlabel('Don\'t use darkness images O_o. Is an example');
$graph->ylabel('y label');
$graph->title("Simple Plot with background & Legend");
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->set_drawguidelines( );
$x = $graph->math->linspace( 0, 2, 50 );
$graph->plot( $x, $x, ['label'=>'linear'] );
$graph->plot( $x, $graph->math->pow($x, 2), ['label'=>'quadratic'] );
$graph->plot( $x, $graph->math->pow($x, 3), ['label'=>'cubic'] );
$graph->xlabel('Horrible, but is an example of what you can do ;D');
$graph->ylabel('y label');
$graph->title("Simple Plot with background, Legend & Guidelines");
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);







$graph = new graph();
$graph->plot( [4, 5, 6, 7], [1, 4, 9, 13], ['marker' => __DIR__ . '/custom_marker.png', 'label'=>'PHP'] );
$graph->plot( [4, 5, 6, 7], [3, 6, 12, 8], ['marker' => __DIR__ . '/tux.png', 'label'=>'GNU/Linux'] );
$graph->plot( [4, 5, 6, 7], [5, 2, 7, 5], ['marker' => __DIR__ . '/nginx.png', 'label'=>'NGINX'] );
$graph->legendwidthlines( 65 );
$graph->legendlabelheight( 33 );
$graph->imread( __DIR__ .'/background_example.jpg');
$graph->title( 'Better use of background' );
$graph->set_drawguidelines( );
$graph->bckgr_img_gd->filter( IMG_FILTER_GRAYSCALE );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, -50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 100 );
$graph->bckgr_img_gd->filter( IMG_FILTER_CONTRAST, 50 );
$graph->bckgr_img_gd->filter( IMG_FILTER_BRIGHTNESS, 115 );
$graph->bckgr_img_gd->flip( );
$graph->legend();
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);







$graph = new graph();
$graph->plot( [40000, 50000, 60000, 70000], [1, 4, 9, 13] );
$graph->title( 'Rotation Xticks' );
$graph->set_drawguidelines( );
$graph->xticks( ['rotation' => 45]);
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$arr_values = [
    [ [1, 1.5, 2, 2, 3, 4], [10, 9.5, 9, 10, 8, 9] ],
    [ [4, 5, 5.7, 6, 7, 8], [8, 6, 7.3, 8, 7, 8] ],
];

$graph->title( 'Scatter' );
$graph->scatter( $arr_values );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);



$graph = new graph();

$arr_values = [
    [ [1, 1.5, 2, 2, 3, 4], [10, 9.5, 9, 10, 8, 9], ['label'=>'Male'] ],
    [ [4, 5, 5.7, 6, 7, 8], [8, 6, 7.3, 8, 7, 8], ['label'=>'Female'] ],
];

$graph->title( 'Scatter & legend' );
$graph->scatter( $arr_values );
$graph->legend( );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->title( 'VALUES FOR HISTOGRAM' );
$graph->bar( [10, 11, 40, 45, 50, 55, 60, 60, 70, 80, 85, 90, 95, 100, 105, 106, 107, 108, 109, 110, 111, 112, 123, 140, 150] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->title( 'DEFAULT HISTOGRAM' );
$graph->hist( [10, 11, 40, 45, 50, 55, 60, 60, 70, 80, 85, 90, 95, 100, 105, 106, 107, 108, 109, 110, 111, 112, 123, 140, 150] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->title( '30 xval HISTOGRAM' );
$graph->hist( [10, 11, 40, 45, 50, 55, 60, 60, 70, 80, 85, 90, 95, 100, 105, 106, 107, 108, 109, 110, 111, 112, 123, 140, 150], ['num_blocks' => 30] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


$graph = new graph();
$graph->title( '7 xval HISTOGRAM' );
$graph->hist( [10, 11, 40, 45, 50, 55, 60, 60, 70, 80, 85, 90, 95, 100, 105, 106, 107, 108, 109, 110, 111, 112, 123, 140, 150], ['num_blocks' => 7] );
?>

  <img src="<?php echo $graph->output_gd_png_base64( );?>">
  <?php
 
unset($graph);


?>
</body>
</html>

Screenshots  
  • background_graph_image
  • bar_line_grahph
  • custom_markers
  • graph_histogram
  • marker_graph
  • mat_graph
  • scatter
  • simple_graph
  Files folder image Files  
File Role Description
Files folder imageext-op-ml-php (2 files)
Files folder imagefonts (1 directory)
Files folder imageimg2img (17 files, 1 directory)
Accessible without login Image file author.png Icon Icon image
Accessible without login Image file background_example.jpg Data Auxiliary data
Accessible without login Image file custom_marker.png Icon Icon image
Accessible without login Plain text file example.php Example Example script
Plain text file graph-php.class.php Class Class source
Accessible without login Plain text file LICENSE Lic. License text
Accessible without login Image file multigraph1.jpg Data Auxiliary data
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Accessible without login Image file samplebackground.png Icon Icon image
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Accessible without login Image file samplecustompng.png Icon Icon image
Accessible without login Image file samplegraybackground.png Icon Icon image
Accessible without login Image file sampleguidelines.png Icon Icon image
Accessible without login Image file samplehistogram.png Icon Icon image
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Accessible without login Image file samplelegend.png Icon Icon image
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Accessible without login Image file samplelimitsxy.png Icon Icon image
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Accessible without login Image file sampletitle.png Icon Icon image
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  Files folder image Files  /  ext-op-ml-php  
File Role Description
  Accessible without login Plain text file example.php Example Example script
  Plain text file ext-op-ml-php.class.php Class Class source

  Files folder image Files  /  fonts  
File Role Description
Files folder imagedejavu-fonts-ttf-2.37 (8 files, 1 directory)

  Files folder image Files  /  fonts  /  dejavu-fonts-ttf-2.37  
File Role Description
Files folder imagefontconfig (6 files)
  Accessible without login Plain text file AUTHORS Data Auxiliary data
  Accessible without login Plain text file BUGS Data Auxiliary data
  Accessible without login Plain text file langcover.txt Doc. Documentation
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  Files folder image Files  /  fonts  /  dejavu-fonts-ttf-2.37  /  fontconfig  
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  Accessible without login Plain text file 20-unhint-small-dejavu-sans-mono.conf Data Auxiliary data
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  Accessible without login Plain text file 57-dejavu-sans-mono.conf Data Auxiliary data
  Accessible without login Plain text file 57-dejavu-sans.conf Data Auxiliary data
  Accessible without login Plain text file 57-dejavu-serif.conf Data Auxiliary data

  Files folder image Files  /  img2img  
File Role Description
Files folder imagePHP-Instagram-effects-master (3 files, 3 directories)
  Accessible without login Plain text file example.php Example Example script
  Plain text file img2img.class.php Class Class source
  Accessible without login Image file img2img_result_0.jpg Data Auxiliary data
  Accessible without login Image file img2img_result_1.jpg Icon Icon image
  Accessible without login Image file img2img_result_10.jpg Icon Icon image
  Accessible without login Image file img2img_result_11.jpg Icon Icon image
  Accessible without login Image file img2img_result_2.jpg Data Auxiliary data
  Accessible without login Image file img2img_result_3.jpg Data Auxiliary data
  Accessible without login Image file img2img_result_4.jpg Data Auxiliary data
  Accessible without login Image file img2img_result_5.png Icon Icon image
  Accessible without login Image file img2img_result_6.png Icon Icon image
  Accessible without login Image file img2img_result_7.jpg Data Auxiliary data
  Accessible without login Image file img2img_result_8.jpg Icon Icon image
  Accessible without login Image file img2img_result_9.jpg Icon Icon image
  Accessible without login Plain text file mime_types.php Aux. Auxiliary script
  Accessible without login Image file source_example.jpg Data Auxiliary data
  Accessible without login Plain text file source_example_pdf.pdf Data Auxiliary data

  Files folder image Files  /  img2img  /  PHP-Instagram-effects-master  
File Role Description
Files folder imageassets (5 files)
Files folder imageexamples (13 files)
Files folder imagesrc (1 directory)
  Accessible without login Plain text file composer.json Data Auxiliary data
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  Accessible without login Plain text file README.md Doc. Documentation

  Files folder image Files  /  img2img  /  PHP-Instagram-effects-master  /  assets  
File Role Description
  Accessible without login Image file bg1.jpg Data Auxiliary data
  Accessible without login Image file pattern1.jpg Icon Icon image
  Accessible without login Image file pattern3.jpg Data Auxiliary data
  Accessible without login Image file pattern4.jpg Data Auxiliary data
  Accessible without login Image file pattern5.jpg Data Auxiliary data

  Files folder image Files  /  img2img  /  PHP-Instagram-effects-master  /  examples  
File Role Description
  Accessible without login Plain text file aqua.php Example Example script
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  Files folder image Files  /  img2img  /  PHP-Instagram-effects-master  /  src  
File Role Description
Files folder imageImage (1 file)

  Files folder image Files  /  img2img  /  PHP-Instagram-effects-master  /  src  /  Image  
File Role Description
  Plain text file Filter.php Class Class source

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