Contao\Template::generateScriptTag PHP Method

generateScriptTag() public static method

Generate the markup for a JavaScript tag
public static generateScriptTag ( string $src, boolean $async = false ) : string
$src string The script path
$async boolean True to add the async attribute
return string The markup string
    public static function generateScriptTag($src, $async = false)
    {
        return '<script src="' . $src . '"' . ($async ? ' async' : '') . '></script>';
    }

Usage Example

Example #1
0
 /**
  * Replace the dynamic script tags (see #4203)
  *
  * @param string $strBuffer The string with the tags to be replaced
  *
  * @return string The string with the replaced tags
  */
 public static function replaceDynamicScriptTags($strBuffer)
 {
     // HOOK: add custom logic
     if (isset($GLOBALS['TL_HOOKS']['replaceDynamicScriptTags']) && is_array($GLOBALS['TL_HOOKS']['replaceDynamicScriptTags'])) {
         foreach ($GLOBALS['TL_HOOKS']['replaceDynamicScriptTags'] as $callback) {
             $strBuffer = static::importStatic($callback[0])->{$callback}[1]($strBuffer);
         }
     }
     $arrReplace = array();
     $strScripts = '';
     // Add the internal jQuery scripts
     if (!empty($GLOBALS['TL_JQUERY']) && is_array($GLOBALS['TL_JQUERY'])) {
         foreach (array_unique($GLOBALS['TL_JQUERY']) as $script) {
             $strScripts .= "\n" . trim($script) . "\n";
         }
     }
     $arrReplace['[[TL_JQUERY]]'] = $strScripts;
     $strScripts = '';
     // Add the internal MooTools scripts
     if (!empty($GLOBALS['TL_MOOTOOLS']) && is_array($GLOBALS['TL_MOOTOOLS'])) {
         foreach (array_unique($GLOBALS['TL_MOOTOOLS']) as $script) {
             $strScripts .= "\n" . trim($script) . "\n";
         }
     }
     $arrReplace['[[TL_MOOTOOLS]]'] = $strScripts;
     $strScripts = '';
     // Add the internal <body> tags
     if (!empty($GLOBALS['TL_BODY']) && is_array($GLOBALS['TL_BODY'])) {
         foreach (array_unique($GLOBALS['TL_BODY']) as $script) {
             $strScripts .= trim($script) . "\n";
         }
     }
     // Command scheduler
     if (!\Config::get('disableCron')) {
         $strScripts .= "\n" . \Template::generateInlineScript('setTimeout(function(){var e=function(e,t){try{var n=new XMLHttpRequest}catch(r){return}n.open("GET",e,!0),n.onreadystatechange=function(){this.readyState==4&&this.status==200&&typeof t=="function"&&t(this.responseText)},n.send()},t="system/cron/cron.";e(t+"txt",function(n){parseInt(n||0)<Math.round(+(new Date)/1e3)-' . \Frontend::getCronTimeout() . '&&e(t+"php")})},5e3);') . "\n";
     }
     $arrReplace['[[TL_BODY]]'] = $strScripts;
     $strScripts = '';
     $objCombiner = new \Combiner();
     // Add the CSS framework style sheets
     if (!empty($GLOBALS['TL_FRAMEWORK_CSS']) && is_array($GLOBALS['TL_FRAMEWORK_CSS'])) {
         foreach (array_unique($GLOBALS['TL_FRAMEWORK_CSS']) as $stylesheet) {
             $objCombiner->add($stylesheet);
         }
     }
     // Add the internal style sheets
     if (!empty($GLOBALS['TL_CSS']) && is_array($GLOBALS['TL_CSS'])) {
         foreach (array_unique($GLOBALS['TL_CSS']) as $stylesheet) {
             $options = \StringUtil::resolveFlaggedUrl($stylesheet);
             if ($options->static) {
                 $objCombiner->add($stylesheet, $options->mtime, $options->media);
             } else {
                 $strScripts .= \Template::generateStyleTag(static::addStaticUrlTo($stylesheet), $options->media) . "\n";
             }
         }
     }
     // Add the user style sheets
     if (!empty($GLOBALS['TL_USER_CSS']) && is_array($GLOBALS['TL_USER_CSS'])) {
         foreach (array_unique($GLOBALS['TL_USER_CSS']) as $stylesheet) {
             $options = \StringUtil::resolveFlaggedUrl($stylesheet);
             if ($options->static) {
                 $objCombiner->add($stylesheet, $options->mtime, $options->media);
             } else {
                 $strScripts .= \Template::generateStyleTag(static::addStaticUrlTo($stylesheet), $options->media) . "\n";
             }
         }
     }
     // Create the aggregated style sheet
     if ($objCombiner->hasEntries()) {
         $strScripts .= \Template::generateStyleTag($objCombiner->getCombinedFile(), 'all') . "\n";
     }
     $arrReplace['[[TL_CSS]]'] = $strScripts;
     $strScripts = '';
     // Add the internal scripts
     if (!empty($GLOBALS['TL_JAVASCRIPT']) && is_array($GLOBALS['TL_JAVASCRIPT'])) {
         $objCombiner = new \Combiner();
         $objCombinerAsync = new \Combiner();
         foreach (array_unique($GLOBALS['TL_JAVASCRIPT']) as $javascript) {
             $options = \StringUtil::resolveFlaggedUrl($javascript);
             if ($options->static) {
                 if ($options->async) {
                     $objCombinerAsync->add($javascript, $options->mtime);
                 } else {
                     $objCombiner->add($javascript, $options->mtime);
                 }
             } else {
                 $strScripts .= \Template::generateScriptTag(static::addStaticUrlTo($javascript), $options->async) . "\n";
             }
         }
         // Create the aggregated script and add it before the non-static scripts (see #4890)
         if ($objCombiner->hasEntries()) {
             $strScripts = \Template::generateScriptTag($objCombiner->getCombinedFile()) . "\n" . $strScripts;
         }
         if ($objCombinerAsync->hasEntries()) {
             $strScripts = \Template::generateScriptTag($objCombinerAsync->getCombinedFile(), true) . "\n" . $strScripts;
         }
     }
     // Add the internal <head> tags
     if (!empty($GLOBALS['TL_HEAD']) && is_array($GLOBALS['TL_HEAD'])) {
         foreach (array_unique($GLOBALS['TL_HEAD']) as $head) {
             $strScripts .= trim($head) . "\n";
         }
     }
     $arrReplace['[[TL_HEAD]]'] = $strScripts;
     return str_replace(array_keys($arrReplace), array_values($arrReplace), $strBuffer);
 }
All Usage Examples Of Contao\Template::generateScriptTag