- added const dir path and url

- better file organisation

plugins/wp_model_plugin/php/utils/add_to_front.php

@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+@param an array of files
+*/
+function add_files_to_front($files_arr) {
+	//wp_enqueue_script(<give_it_a_name>, /url/to/file, [depends on], version, defer? );
+	//wp_enqueue_style( <give_it_a_name>, /url/to/file, [depends on], version, media );
+
+	$previous_css_basename = '';
+	$previous_js_basename = '';
+	foreach ($files_arr as $file) {
+		$file_ext = pathinfo($file, PATHINFO_EXTENSION);
+		$file_basename = pathinfo($file, PATHINFO_FILENAME);
+		if ($file_ext === "js")
+			$dir_path = 'js/';
+		else if ($file_ext === "css")
+			$dir_path = 'css/';
+		else
+			continue;
+
+		$file_url = PLUGIN_URL.$dir_path.$file;
+		$file_path = PLUGIN_DIR.$dir_path.$file;
+		$file_version = date("ymd-Gis", filemtime($file_path));
+
+		if ($file_ext === "js") {
+			wp_enqueue_script( $file_basename, $file_url, $previous_js_basename, $file_version, true);
+			$previous_js_basename = $file_basename;
+		}
+		else if ($file_ext === "css") {
+			wp_enqueue_style( $file, $file_url, $previous_css_basename, $file_version, '');
+			$previous_css_basename = $file_basename;
+		}
+	}
+}
+
+/*
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+@param expect an array of key => value
+with the key being name of the variable, like this :
+  'my_var' => 'value',
+simpler way to do it is to use compact when calling the function :
+  add_var_to_front(compact("var1", "var2", "var3"));
+*/
+function add_var_to_front($var_array) {
+	extract($var_array);
+
+	foreach ($var_array as $key => $var)
+	{
+		$js_var  = 'const ' . $key . ' = ';
+		$js_var .= json_encode($var);
+		$js_var .= ';';
+		wp_add_inline_script('myscript', $js_var, 'before');
+	}
+}
+
+?>

plugins/wp_model_plugin/php/utils/console_log.php

@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+https://stackify.com/how-to-log-to-console-in-php/
+*/
+function console_log($output) {
+	if (CONSOLE_OFF)
+		return;
+	$json_output = json_encode($output, JSON_HEX_TAG);
+	$js_code = '<script>console.log(' . $json_output . ');</script>';
+	echo $js_code;
+}
+
+
+?>

plugins/wp_model_plugin/php/utils/create_html.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+@param two arguments :
+1. html files to include in front
+	- can be a string of 1 filename
+	- or an array of strings of filenames
+	( https://stackoverflow.com/q/4747876/9497573 )
+	- it's probably better to only add 1 file, and let it include other files
+2. list of variables to make available to this files
+	- in the form of key => val
+	- recommanded to do it with compact()
+ex: create_html( "file.html", compact("var1","var2",) );
+ex: create_html( array("file1.html", "file2.html"), array("var1"=>"value") );
+@return a string of html code
+
+using ob_start() and ob_get_clean()
+allows to have php expansion inside the html loaded
+in opposition to the methode file_get_contents()
+
+https://stackoverflow.com/a/4402045/9497573
+*/
+function create_html($files, $vars) {
+	$files = (array)$files;
+	$html_dir = PLUGIN_DIR.'html/';
+	extract($vars);
+
+	ob_start();
+	foreach($files as $file) {
+		include($html_dir.$file);
+	}
+	$html = ob_get_clean();
+
+	return $html;
+}
+
+?>

plugins/wp_model_plugin/php/utils/globals.php

@@ -0,0 +1,14 @@
+<?php
+
+/*
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+globals variables
+const vs define : https://stackoverflow.com/questions/2447791/php-define-vs-const
+*/
+
+/* switch console_log
+const CONSOLE_OFF = true;
+*/
+const CONSOLE_OFF = false;
+
+?>