<?php $string = str_repeat('123', 8); // Beyond PHP_INT_MAX var_dump(is_numeric($string)); // true var_dump(is_int($string)); // false it is a string var_dump(is_int(intval($string))); // true var_dump((int) $string); // PHP_INT_MAX var_dump((int) $string == (float) $string); // PHP_INT_MAX
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