<?php $string = "Some numbers: one: 1; two: 2; three: 3 end"; $ten = 10; $newstring = preg_replace_callback( '/(\\d+)/', function($match) use ($ten) { return (($match[0] + $ten)); }, $string ); echo $newstring; #prints "Some numbers: one: 11; two: 12; three: 13 end";
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