Source Code : preg_match_all() function matches all occurrences of pattern in string.

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preg_match_all() function matches all occurrences of pattern in string.

 
Its syntax: int preg_match_all (string pattern, string string, array pattern_array [, int order])

There are two possible types of order:

PREG_PATTERN_ORDER is the default. 
PREG_PATTERN_ORDER: $pattern_array[0] is an array of all complete pattern matches, $pattern_array[1] is an array of all strings matching the first parenthesized regexp, and so on.
PREG_SET_ORDER: $pattern_array[0] contains elements matched by the first parenthesized regexp, $pattern_array[1] contains elements matched by the second parenthesized regexp, and so on.

<?
$userinfo = "Name: <b>R</b> <br> Title: <b>PHP</b>";
preg_match_all ("/<b>(.*)</b>/U", $userinfo, $pat_array);
print $pat_array[0][0]." <br> ".$pat_array[0][1]."
";
?>
  
  

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