A small bash script to add syntax colors to a php.log

tail.sh

#!/bin/bash

func (){
	local BLACK=`echo -en '\e[30m'`
	local RED=`echo -en '\e[31m'`
	local GREEN=`echo -en '\e[32m'`
	local YELLOW=`echo -en '\e[33m'`
	local BLUE=`echo -en '\e[34m'`
	local MAGENTA=`echo -en '\e[35m'`
	local CYAN=`echo -en '\e[36m'`
	local WHITE=`echo -en '\e[37m'`
	local RESET=`echo -en '\e[00m'`

	local GREP=""

	GREP="$GREP s/(\[|.*\])/$YELLOW\1$RESET/g;"
	GREP="$GREP s/(\[33m\[)(.*)(UTC\])/$MAGENTA\2$RESET/g;"
	GREP="$GREP s/(\(|\))/$BLUE\1$RESET/g;"
	GREP="$GREP s/(Array|stdClass Object)/$BLUE\1$RESET/g;"
	GREP="$GREP s/(=>)/$GREEN\1$RESET/g"

	tail -f /path/to/your/php_error.log | sed -E $GREP
}

func

Here is a Before and After screenshot