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Named specifier in php formatted strings, similar to Python\'s formatted strings using dictionaries

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Taken from stackoverflow answer by user Jon

To test
$foo = array('age' => 5, 'name' => 'john');
echo vsprintf_named("%(name)s is %(age)02d", $foo);

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  1. function vsprintf_named($format, $args) {
  2.     $names = preg_match_all('/%\((.*?)\)/', $format, $matches, PREG_SET_ORDER);
  3.  
  4.     $values = array();
  5.     foreach($matches as $match) {
  6.         $values[] = $args[$match[1]];
  7.     }
  8.  
  9.     $format = preg_replace('/%\((.*?)\)/', '%', $format);
  10.     return vsprintf($format, $values);
  11. }

URL: http://stackoverflow.com/questions/7435233/name-php-specifiers-in-printf-strings

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