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str_word_count()

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<?php
$mixed = str_word_count (
    , // string $string
     ✓?, // [int $format = 0]
      // [string $charlist]
);
?>
Result
$mixed = [
  0 => 'Hello',
  6 => 'fri',
  10 => 'nd',
  14 => 'you\'re',
  28 => 'looking',
  45 => 'good',
  50 => 'today',
]
Examples
#1 str_word_count  ("Hello fri3nd, you're looking good today!",
 1)
#2 str_word_count  ("Hello fri3nd, you're looking good today!",
 2)
#3 str_word_count  ("Hello fri3nd, you're looking good today!",
 1,
 "àáãç3")
See also
count_chars, explode, preg_split, substr_count
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