staylor / WordPress

		foreach ( $replace_pairs as $needle => $replace );

		// Loop through delimiters (elements) only.

		for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) {

			if ( false !== strpos( $textarr[$i], $needle ) ) {

				$textarr[$i] = str_replace( $needle, $replace, $textarr[$i] );

				$changed = true;

			}

		}

	} else {

		// Extract all $needles.

		$needles = array_keys( $replace_pairs );

		$needles = array_keys( $replace_pairs );

		// Loop through delimiters (elements) only.

		for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) {

			foreach ( $needles as $needle ) {

				if ( false !== strpos( $textarr[$i], $needle ) ) {

					$textarr[$i] = strtr( $textarr[$i], $replace_pairs );

					$changed = true;

					// After one strtr() break out of the foreach loop and look at next element.

					break;

				}

			}

		}

	}

	if ( $changed ) {