Functions

Functions WebDev/*nix assorted functions & hacks

Shell scripts * Readme dict edit_json (php) encrypt/decrypt pdoc pftp - ftp a file to some place php fork & IPC php input cli phplint ~/bin/inc/lib.php 10 found

auth

Name:
Category: Shell scripts
Body:

<?php

/**
 * Supporting cast for PHP shell scripts
 * Some of these will return arrays with first a success boolean, then the return value or error msg
 * 
 * fetch_url($url, $options = '')
 * html_decode($string)
 * interpret_argv()
 * str_split($str,$num = '1')
 * freadall()
 * term_echo($string, $lead='  ')
 * nl2unix($string), nl2mac($string), nl2dos($string)
 * 
 * 
 * Updated:
 *  2004-10-15
 *  2005-08-31: added <, > to htmldecode()
**/

#____________________________,
# fetch_url($url, $options) / v1.1
#   Uses Curl library to return data from URL
#   Returns array(status, body, headers) or array(false, curl's reason)
function fetch_url($url, $options = '') {
  $ch = curl_init ($url);
  curl_setopt ($ch, CURLOPT_HEADER, 1);
  curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt ($ch, CURLOPT_USERAGENT, "Curlzilla");
  if (is_array($options)) {
    foreach($options as $key => $value) {
      curl_setopt ($ch, constant($key), $value);
    }
  }
  $res = curl_exec($ch);
  $error = curl_error($ch);
  curl_close ($ch);
  if ($res) {
    $body = substr(strstr($res, "\r\n\r\n"), 4);
    $headers = substr($res, 0, strpos($res, "\r\n\r\n"));
    $status = explode(' ', substr($headers, 0, strpos($headers, "\n")));
    $status = (int) $status[1];
    return array($status, $body, $headers);
  }else{
    return array(false, "Curl error: ". $error);
  }
}

#_______________________,
# html_decode($string) /  needs Lots of extra key=value pairs
function html_decode($string) {
  # html_entity_decode() does not work in a CLI environment, which makes sense because
  # lotsa characters just don't work in the terminal.
  $codex = array(
    '&nbsp;'=>' ',
    '&#183;'=>'*',
    '&#60;'=>'<',
    '&#62;'=>'>'
    );
  return str_replace(array_keys($codex), array_values($codex), $string);
}

#___________________,
# interpret_argv() /
# returns array with two arrays of the given arguments,
#  those without and those with leading '-' (files and options)
function interpret_argv() {
  $argv = $GLOBALS['argv'];
  if (count($argv) == 1) return false;
  # removing first item => scriptname
  array_shift($argv);
  $options = array();
  $files   = array();
  foreach($argv as $arg) {
    if (strpos($arg, '-') === false) {
      $files[] = $arg;
    }else{
      $options[] = $arg;
    }
  }
  return array($files, $options);
}

#_____________________________, if ! function_exists ..
# str_split($str,$num = '1') /
if (! function_exists('str_split')) { # PHP 5
  function str_split($str,$num = '1') {
    if($num < 1) return FALSE;
    $arr = array();
    for ($i = 0; $i < strlen($str); $i += $num) {
      $arr[] = substr($str,$i,$num);
    }
    return $arr;
  }
}

#_____________,
# freadall() /
function freadall() {
  $contents = '';
  while (!feof(STDIN)) {
    $contents .= fread(STDIN, 8192);
    if (! $contents) return false;
  }
  return $contents;
}

#_________________________________,
# term_echo($string, $lead='  ') / updated 2004-10-12
function term_echo($string, $lead='  ') {
  $string = trim(wordwrap($string, 80-strlen($lead)));
  $arr = explode("\n", $string);
  echo $lead. join("\n".$lead, $arr) ."\n";
}

#___________________,
# nl2unix($string) /
function nl2unix($string) {
  return str_replace(array("\r\n", "\r"), "\n", $string);
}

#__________________,
# nl2mac($string) /
function nl2mac($string) {
  return str_replace(array("\r\n", "\n"), "\r", $string);
}

#__________________,
# nl2dos($string) /
function nl2dos($string) {
  return str_replace(array("\r", "\n\n", "\n"), array("\n", "\n", "\r\n"), $string);
}

if (basename($_SERVER['PHP_SELF']) == 'php.inc') {
  $funcs = get_defined_functions();
  echo "  Functions:\n    ". join("\n    ", $funcs['user']) ."\n";
  echo "  File parsed OK\n";
}

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Shell scripts * Readme dict edit_json (php) encrypt/decrypt pdoc pftp - ftp a file to some place php fork & IPC php input cli phplint ~/bin/inc/lib.php 10 found auth	Name: Category: Shell scripts Body: <?php /** * Supporting cast for PHP shell scripts * Some of these will return arrays with first a success boolean, then the return value or error msg * * fetch_url($url, $options = '') * html_decode($string) * interpret_argv() * str_split($str,$num = '1') * freadall() * term_echo($string, $lead=' ') * nl2unix($string), nl2mac($string), nl2dos($string) * * * Updated: * 2004-10-15 * 2005-08-31: added <, > to htmldecode() */ #____________________________, # fetch_url($url, $options) / v1.1 # Uses Curl library to return data from URL # Returns array(status, body, headers) or array(false, curl's reason) function fetch_url($url, $options = '') { $ch = curl_init ($url); curl_setopt ($ch, CURLOPT_HEADER, 1); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_USERAGENT, "Curlzilla"); if (is_array($options)) { foreach($options as $key => $value) { curl_setopt ($ch, constant($key), $value); } } $res = curl_exec($ch); $error = curl_error($ch); curl_close ($ch); if ($res) { $body = substr(strstr($res, "\r\n\r\n"), 4); $headers = substr($res, 0, strpos($res, "\r\n\r\n")); $status = explode(' ', substr($headers, 0, strpos($headers, "\n"))); $status = (int) $status[1]; return array($status, $body, $headers); }else{ return array(false, "Curl error: ". $error); } } #_______________________, # html_decode($string) / needs Lots of extra key=value pairs function html_decode($string) { # html_entity_decode() does not work in a CLI environment, which makes sense because # lotsa characters just don't work in the terminal. $codex = array( ' '=>' ', '·'=>'', '<'=>'<', '>'=>'>' ); return str_replace(array_keys($codex), array_values($codex), $string); } #___________________, # interpret_argv() / # returns array with two arrays of the given arguments, # those without and those with leading '-' (files and options) function interpret_argv() { $argv = $GLOBALS['argv']; if (count($argv) == 1) return false; # removing first item => scriptname array_shift($argv); $options = array(); $files = array(); foreach($argv as $arg) { if (strpos($arg, '-') === false) { $files[] = $arg; }else{ $options[] = $arg; } } return array($files, $options); } #_____________________________, if ! function_exists .. # str_split($str,$num = '1') / if (! function_exists('str_split')) { # PHP 5 function str_split($str,$num = '1') { if($num < 1) return FALSE; $arr = array(); for ($i = 0; $i < strlen($str); $i += $num) { $arr[] = substr($str,$i,$num); } return $arr; } } #_____________, # freadall() / function freadall() { $contents = ''; while (!feof(STDIN)) { $contents .= fread(STDIN, 8192); if (! $contents) return false; } return $contents; } #_________________________________, # term_echo($string, $lead=' ') / updated 2004-10-12 function term_echo($string, $lead=' ') { $string = trim(wordwrap($string, 80-strlen($lead))); $arr = explode("\n", $string); echo $lead. join("\n".$lead, $arr) ."\n"; } #___________________, # nl2unix($string) / function nl2unix($string) { return str_replace(array("\r\n", "\r"), "\n", $string); } #__________________, # nl2mac($string) / function nl2mac($string) { return str_replace(array("\r\n", "\n"), "\r", $string); } #__________________, # nl2dos($string) / function nl2dos($string) { return str_replace(array("\r", "\n\n", "\n"), array("\n", "\n", "\r\n"), $string); } if (basename($_SERVER['PHP_SELF']) == 'php.inc') { $funcs = get_defined_functions(); echo " Functions:\n ". join("\n ", $funcs['user']) ."\n"; echo " File parsed OK\n"; } ?>
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