[Release - PHP] Streamlined GetStringBetween and GetAllStringBetween

<?php

	function GetAllStringsBetween ( $String , $Start , $End )

	{

		$Return = Array ( );

		$Result = 0;

		$LResult = 0;

		while ( ( $Result = GetOffsetBetween ( $String , $Start , $End , $Result ) ) != -1 )

		{

			$Return[] = GetOffsetBetween ( $String , $Start , $End , $LResult );

			$LResult = $Result;

		}

		return $Return;

	}

	

	function GetStringBetween ( $String , $Start , $End , $Offset = 0 )

	{

		if ( $Offset < strlen ( $String ) )

		{

			$StartPos = strpos ( $String , $Start , $Offset );

			if ( $StartPos > -1 )

			{

				$EndPos = ( strpos ( $String , $End , ( $StartPos + 1 ) ) - 1 );

				if ( $EndPos > -1 )

				{

					return substr ( $String , ( $StartPos + 1 ) , ( $EndPos - $StartPos ) );

				}

			}

		}

		return null;

	}

	

	function GetOffsetBetween ( $String , $Start , $End , $Offset = 0 )

	{

		if ( $Offset < strlen ( $String ) )

		{

			$StartPos = strpos ( $String , $Start , $Offset );

			if ( $StartPos > -1 )

			{

				$EndPos = ( strpos ( $String , $End , ( $StartPos + 1 ) ) - 1 );

				if ( $EndPos > -1 )

				{

					return $EndPos;

				}

			}

		}

		return -1;

	}

?>