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@ 2014-09-30T13:46:45Z

<?php

echo preg_replace_callback(
	'#\d+#',
    'incr',
	'123abc456def789'
);

function incr($args){
	return 1 + (int)$args[0];
}

Output
Performance
VLD
References
Branches

preg_replace_callback: documentation ( source)

preferences:dark modelive preview

43.29 ms | 402 KiB | 5 Q