made array_walk use separate function for callback to support older PHPs
made array_walk use separate function for callback to support older PHPs

theahindle/msiof,ashleyhindle/msiof,ashleyhindle/msiof,theahindle/msiof,theahindle/msiof,theahindle/msiof,ashleyhindle/msiof,ashleyhindle/msiof