PHP Date |AND| Explode |AND| Find If String Contains a String

1.Date

<?php$date = date('m-d-y');$time = date('H:i:s');$day = date('l');echo ' the time is ' .$time;?>

2.Explode

<?php$sentence = 'I am zxl this is my php tutorial';$parts = explode(' ',$sentence); //分割字符串print_r($parts);?>

3.Find If String Contains a String(1)

<?php$sentence = 'I am zxl this is my php tutorial';$needle = 'z';$search = strpos($sentence , $needle);if ($search === FALES ){echo 'the string was not found';}else{echo 'the position of the string is ' . $search ;}?>

Find If String Contains a String(2)

<?php$email = '[e-mail]';$needle = '@';$search = strpos($email , $needle);if ($search === FALES ){echo 'this is not a valid email';}else{echo 'this is a valid email' ;}?>