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Command line args parser

/ Published in: PHP
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seen in comments in http://es2.php.net/features.commandline

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  1. <?php
  2.  
  3. function getArgs($args) {
  4.   $out = array();
  5.   $last_arg = null;
  6.     for($i = 1, $il = sizeof($args); $i < $il; $i++) {
  7.         if( (bool)preg_match("/^--(.+)/", $args[$i], $match) ) {
  8.          $parts = explode("=", $match[1]);
  9.          $key = preg_replace("/[^a-z0-9]+/", "", $parts[0]);
  10.             if(isset($parts[1])) {
  11.              $out[$key] = $parts[1];   
  12.             }
  13.             else {
  14.              $out[$key] = true;   
  15.             }
  16.          $last_arg = $key;
  17.         }
  18.         else if( (bool)preg_match("/^-([a-zA-Z0-9]+)/", $args[$i], $match) ) {
  19.             for( $j = 0, $jl = strlen($match[1]); $j < $jl; $j++ ) {
  20.              $key = $match[1]{$j};
  21.              $out[$key] = true;
  22.             }
  23.          $last_arg = $key;
  24.         }
  25.         else if($last_arg !== null) {
  26.          $out[$last_arg] = $args[$i];
  27.         }
  28.     }
  29.  return $out;
  30. }
  31.  
  32. /*
  33. sample
  34.  
  35. php file.php --foo=bar -abc -AB 'hello world' --baz
  36.  
  37. produces:
  38.  
  39. Array
  40. (
  41.   [foo] => bar
  42.   [a] => true
  43.   [b] => true
  44.   [c] => true
  45.   [A] => true
  46.   [B] => hello world
  47.   [baz] => true
  48. )
  49.  
  50. */
  51.  
  52. ?>

URL: http://es2.php.net/features.commandline

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