preg_match_all do in PHP?preg_match_all finds all matches of a pattern in a string, not just the first one. It returns the number of matches and stores all matches as an array in a variable passed by reference.
preg_match and preg_match_all?preg_match finds only the first match of a pattern in a string. preg_match_all finds all matches throughout the string.
preg_match_all?Matches are stored in an array passed by reference as the third argument. You can loop through this array to use each match.
preg_match_all represent?The return value is the number of full pattern matches found in the string. If no matches, it returns 0.
preg_match_all('/\d+/', 'I have 2 apples and 10 oranges.', $matches); find?It will find all numbers: 2 and 10. These will be stored in $matches[0] as ['2', '10'].
preg_match_all return if no matches are found?preg_match_all returns 0 when no matches are found.
preg_match_all holds the matches?The third argument is the variable passed by reference to store all matches.
preg_match finds only the first match.
preg_match_all return in the matches array?Matches are returned as an array of strings.
preg_match_all?/\w+/ matches sequences of word characters (letters, digits, underscore).
preg_match_all works and how you use it to find all matches in a string.preg_match and preg_match_all with an example.