Much improved is_serialized() which catches serialized doubles. Fixes #9930 props vladimir_kolesnikov and dd32.
git-svn-id: http://svn.automattic.com/wordpress/trunk@12485 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -245,29 +245,7 @@ function maybe_unserialize( $original ) {
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* @return bool False if not serialized and true if it was.
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*/
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function is_serialized( $data ) {
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// if it isn't a string, it isn't serialized
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if ( !is_string( $data ) )
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return false;
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$data = trim( $data );
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if ( 'N;' == $data )
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return true;
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if ( !preg_match( '/^([adObis]):/', $data, $badions ) )
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return false;
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switch ( $badions[1] ) {
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case 'a' :
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case 'O' :
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case 's' :
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if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) )
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return true;
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break;
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case 'b' :
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case 'i' :
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case 'd' :
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if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) )
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return true;
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break;
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}
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return false;
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return is_string($data) && preg_match('/^(N;)|([aOs]:[0-9]+:.*[;}])|([bid]:[0-9.E+-]+;)$/s', $data);
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}
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/**
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