PHP verifies whether the entered mobile phone number is legal

This article mainly shares with you the example code of PHP verifying whether the entered mobile phone number is legal. I hope it can help everyone.

function is_mobile_phone ($mobile_phone) { $chars = "/^13[0-9]{1}[0-9]{8}$|15[0-9]{1}[0-9]{8}$|18[0-9]{1}[0-9]{8}$|17[0-9]{1}[0-9]{8}$/"; if(preg_match($chars, $mobile_phone)) { return true; } return false; }

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