PHP mobile phone number verification function (, 18)

No details no *** verify whether the mobile phone number is ** @ paramstring $ phone number to be verified * @ returnboolean if the verification fails, false is returned. If the verification succeeds, true * functionisTelNumber ($ phone) is returned) {if (strlen ($ phone )! 11 |! Preg_match (^ 1 [3 | 4 | 5 | 7 | 8] [0-9] d {4, 8} $

No details NONE/*** verify whether it is a mobile phone number ** @ param string $ phone number to be verified * @ return boolean if verification fails, false is returned, returns true */function isTelNumber ($ phone) {if (strlen ($ phone )! = 11 |! Preg_match ('/^ 1 [3 | 4 | 5 | 7 | 8] [0-9] \ d {4, 8} $

<无详细内容> <无>

/*** Verify whether it is a mobile phone number ** @ param string $ phone number to be verified * @ return boolean if verification fails, false is returned, returns true */function isTelNumber ($ phone) {if (strlen ($ phone )! = 11 |! Preg_match ('/^ 1 [3 | 4 | 5 | 7 | 8] [0-9] \ d {4, 8} $/', $ phone) {return false ;} else {return true ;}}