Php verifies Regular Expression of mobile phone number and phone number

Function funcphone ($ str) // call number regular expression test {return (preg_match ("/^ (d {3}) | (d {3 }-))? (0d {2, 3}) | 0d {2, 3 }-)? [1-9] d {6, 8} $/", $ str ))? True: false;} // usage if (funcphone ('1970-0731 ') {echo 'correct phone number';} else {echo' sorry, the phone number you entered is incorrect ';} function funcmtel ($ str) // try {return (preg_match ("/(? : 13d {1} | 15 [03689]) d {8} $/", $ str ))? True: false;} // app for mobile phone number verification if (funcmtel ('000000') {echo 'your entered mobile phone number is correct ';} else {echo 'Enter the valid mobile phone number of China Mobile or the linked mobile phone number ';}