added support for php 5.2.x (and less than 5.3.6)

adcSTUDIO · Nov 14, 2013 · 66f98aa · 66f98aa
1 parent dc03402
commit 66f98aa
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Showing 2 changed files with 20 additions and 3 deletions.
diff --git a/OnceFields.php b/OnceFields.php
@@ -82,7 +82,7 @@ public function default_value() {
 		return $this->default_value;
 	}
 
-	abstract public function value( $value = NULL );
+	//abstract public function value( $value = NULL );
 
 	public function name() {
 		return $this->node->getAttribute('name');

diff --git a/OnceForm.php b/OnceForm.php
@@ -49,8 +49,25 @@ class OnceForm
 
 	protected $user_validator;
 
-	public function __toString() {
-		return $this->doc->saveHTML( $this->form );
+	public function __toString()
+	{
+		// different versions of php handle this differently
+		// see: http://us2.php.net/manual/en/domdocument.savehtml.php
+		if ( version_compare(PHP_VERSION, '5.3.6', '>=')) {
+			// for current versions, we need to pass a node, to get the fragment HTML
+			return $this->doc->saveHTML( $this->form );
+		}
+		elseif ( version_compare(PHP_VERSION, '5.2.6', '>=')) {
+			// for php 5.2.6 through 5.3.5 we need to trim this manually
+			return preg_replace('/^<!DOCTYPE.+?>/', '',
+				str_replace( array('<html>', '</html>', '<body>', '</body>'), array('', '', '', ''),
+					preg_replace('/<head\b[^>]*>(.*?)<\/head>/','',$this->doc->saveHTML())
+				)
+			);
+		}
+		else
+			// older than 5.2.6 only saves the fragment you pass it
+			return $this->doc->saveHTML();
 	}
 
 	public function toString() {