Building and managing multiple versions of PHP

build_php.sh

#!/bin/sh
set -e

base_install_dir="$HOME/bin/php-bin"
download_dir="$HOME/bin/php-cache"
php_tarball="" # set after calling get_php()

debug() {
  echo "===> $1"
}

get_php() {
  if [ ! -d "$download_dir" ]; then
    debug "Creating download directory: $download_dir"
    mkdir -p $download_dir
  fi

  php_tarball="$download_dir/php-$1.tar.gz"

  if [ ! -f "$php_tarball" ]; then
    local url="http://php.net/get/php-$1.tar.gz/from/this/mirror"
    debug "Downloading: $url => $php_tarball"
    curl -fsSL -o $php_tarball $url
  else
    debug "Using previously downloaded file: $php_tarball"
  fi
}

build_php() {
  local version=$1
  local label=$2

  if [ -z "$label" ]; then
    debug "No label provided; using: $version"
    label="$version"
  fi

  local tmp_dir=`mktemp -d --tmpdir "build_php-$version.XXX"`
  local build_dir="$tmp_dir"
  local install_dir="$base_install_dir/php-$label"
  local etc_dir="$base_install_dir/etc-$label"
  local conf_dir="$etc_dir/conf.d"
  local configopts=""

  get_php $version

  debug "Unpacking: $php_tarball => $build_dir"
  tar xzf $php_tarball -C $build_dir

  if [ -d "$build_dir/php-$version" ]; then
    build_dir="$build_dir/php-$version"
    debug "Changed build directory to: $build_dir"
  fi

  # Set configuration options
  for enable in bcmath cgi dom json libxml pcntl phar posix session xml; do
    configopts="$configopts --enable-$enable"
  done;

  for with in openssl pear zlib; do
    configopts="$configopts --with-$with"
  done;

  # Append ZTS config option if necessary
  if [ -n "$3" ]; then
    debug "Detected ZTS config option; adding build flag"
    configopts="$configopts --enable-maintainer-zts"
  fi

  # Create configuration paths if necessary
  if [ ! -d "$etc_dir" ]; then
    debug "Creating config file directory: $etc_dir"
    mkdir -p $etc_dir
  fi

  if [ ! -d "$conf_dir" ]; then
    debug "Creating config file scan directory: $conf_dir"
    mkdir -p $conf_dir
  fi

  # Set the config paths and target directory for installation
  configopts="$configopts --with-config-file-path=$etc_dir"
  configopts="$configopts --with-config-file-scan-dir=$conf_dir"
  configopts="$configopts --prefix=$install_dir"

  local build_log=`mktemp --tmpdir "build_php-$version.log.XXX"`

  debug "Building and installing to: $install_dir"
  debug "Build output will be logged to: $build_log"

  cd $build_dir
  ./configure $configopts >> $build_log 2>&1
  make all -j8 >> $build_log 2>&1
  make install >> $build_log 2>&1

  debug "Build complete; deleting temporary directory: $tmp_dir"
  rm -r $build_dir
}

if [ -z $1 ]; then
  echo "Usage: $0 version [label] [zts]"
  echo "  version: Full x.y.z version (e.g. 5.5.15)"
  echo "  label:   Short version for install path (e.g. 5.5); defaults to full version"
  echo "  zts:     Add --enable-maintainer-zts build flag if 1; defaults to false"
  exit 1
fi

build_php $1 $2 $3

pe.sh

# This file should be sourced from ~/.bashrc (or equivalent)
# Usage: pe version
#   version: label corresponding build_php.sh

pe () {
    bindir="$HOME/bin/php-bin/php-$1/bin"

    if [ -x "$bindir/php" ]; then
        PATH="$bindir:$PATH"
        # Trim duplicate entries from PATH (see: https://sites.google.com/site/jdisnard/path-dupes)
        PATH=`awk -F: '{for (i=1;i<=NF;i++) { if ( !x[$i]++ ) printf("%s:",$i); }}' <<< $PATH`
    else
        echo "Can't find $bindir/php or it isn't executable"
        return 1
    fi
}

php.ini

[PHP]

date.timezone = "America/New_York"
display_errors = On
display_startup_errors = On
error_reporting = -1
log_errors = On
memory_limit = -1
report_memleaks = On
report_zend_debug = 0
short_open_tag = Off