#!/bin/bash

if [ -z "$1" ]; then

echo

echo "No function specified"

echo

echo "pfunc command syntax: pfunc <function>"

echo

echo "Example: pfunc func_get_args"

echo

exit 1

else

if [[ "$1" == "-h" || "$1" == "--help" ]]; then

echo

echo "Usage: pfunc <function>"

echo

echo "Example: pfunc strtolower"

echo

exit 1

fi

func=$1

url="http://php.net/$func"

contents=$(lynx -dump $url)

if [[ $contents == *"doesn't exist. Closest matches"* ]]; then

echo

echo >&2 "'$func' is not a valid PHP function"

echo

exit 1

fi

clear

awk -v a="$contents" -v b="$func" 'BEGIN{gsub(/\"\n\"/, "\"\\n\"", a); print substr(a, index(a, b" —"), index(a, "See Also") - index(a, b" —"))}'

fi