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Feb 20, 2021 · Backend Development
Masking Chinese Mobile Numbers in PHP Using substr_replace, preg_replace, and substr
This tutorial explains how to conceal 11‑digit Chinese mobile numbers in PHP by demonstrating three approaches: using substr_replace, applying a regular‑expression with preg_replace, and concatenating substr results, each illustrated with complete code examples.
PHPPhone Number MaskingString Functions
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