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msd2/myoos/includes/lib/smarty-plugins/modifier.highlight_char.php

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+<?php
+/**
+ * Smarty plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+/**
+ * Smarty {highlight_char} modifier plugin
+ *
+ * Type:     modifier<br>
+ * Name:     highlight_char<br>
+ * Date:     March 8, 2004<br>
+ * Purpose:  highlight first character of the input string with css class<br>
+ * Input:
+ *         - string = string whose first char should be wrapped in the given class
+ * 
+ * Examples:<br>
+ * <pre>
+ * {$xxx|highlight_char:big_font}
+ * Output:
+ *   <span class="bigfont">x</span>xx
+ *
+ * {$xxx|highlight_char:none:b}	 {* you cannot leave a param empty, so none is no class *}
+ * Output:
+ *   <strong>x</strong>xx
+ *
+ * </pre>
+ * @author Mark Hewitt <mark at formfunction dot co dot za>
+ * @version  1.0
+ * @param string $string Text to modify
+ * @param string $css_class CSS classname to put in span tags, use 'none' to ignore
+ * @param string $tag_name (Optional) Tag to wrap first char in
+ * @param Smarty
+ * @return string|null
+ */
+function smarty_modifier_highlight_char($string,$css_class,$tag_name="span")
+{ 	  									  
+	// strip whitespace off the front of the string, and make sure
+	// there are characters in the string, we only return valid characters...
+	if ( ($s = trim($string)) != '' )
+	{				
+		$html = "<$tag_name";
+		if ( $css_class != 'none' ) $html .= ' class="'.$css_class.'"';
+		$html .= '>'.substr($s,0,1)."</$tag_name>".substr($s,1);
+		return $html;
+	}
+	else
+	{	
+		return '';
+	}
+}
+