Excludes all characters following the 3rd occurrence of a character in a string, how the code is written

Excludes all characters following the 3rd occurrence of a character in a string, how the code is written
Excludes all characters following the 3rd occurrence of a character in a string, how the code is written

such as the string "2 Hello 2 haha 2 yes, ha ha haha"

is to exclude all characters after 3rd 2 to get the result "2 Hello 2 haha 2"

Please know the Big Brother directly to the code okay thank you

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------Solution--------------------

$s = ' 2 Hello 2 haha 2 pair of aha haha ';
$ar =explode (' 2 ', $s);
echo Implode (' 2 ', Array_slice ($ar, 0, 3));

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