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私は2つのphpファイルを持っています。1つ目はdisplayPhone.php

<!DOCTYPE html>
<html>
<?php
$labels=array("first_name"=>"First Name",
                "last_name"=>"Last Name",
                "phone"=>"Phone");
?>
<body>
<h3>please enter your phone number below</h3>
<form action='savePhone2.php' method='POST'>
<?php
//loop that displays the form field
foreach($labels as $field =>$value)
{
    echo "$field <input type='text' name='$field' size='65' maxlenghth='65'/><br/>";
}
echo "<input type='submit' value='submit phone number'/>";
?>

2番目はsavePhone2.phpです

<?php
$labels=array("first_name"=>"First Name",
                "last_name"=>"Last Name",
                "phone"=>"Phone");
?>
<body>
<?php
foreach($_POST as $field =>$value)
{
    if(empty($value))
    {
        $blank_array[]=$field;
    }
    elseif(preg_match("/name/i",$field))
    {
        if(!preg_match("/^[A-Za-z' -]{1,50}$/",$value))
        {
            $bad_format[]=$field;
        }
    }
    elseif($field=="phone")
    {
        if(!preg_match("/^(\(\d+\)|\d+\-)?\d{10,20}$/",$value))
        {
            $bad_format[]=$field;
        }
    }
}

if(@sizeof($blank_array)>0 or  @sizeof($bad_format)>0)
{
    if(@sizeof($blank_array)>0)
    {
        echo "<p>input";
        foreach($blank_array as $value)
        {
        echo " $labels[$value]";
        }
        echo "</p>";
    }

    if(@sizeof($bad_format)>0)
    {
        echo "<p>invalid format";
        foreach($bad_format as $value)
        {
            echo $labels[$value];
        }
        echo "</p>";
    }

//redisplay form
    echo "<hr/>";
    echo "enter phone number";
    echo "<form action='$_SERVER[PHP_SELF]' method='POST'>";

    foreach($labels as $field =>$label)
    {
        $good_data[$field]=strip_tags(trim($_POST[$field]));
        echo "$label <input type='text' name='$field' size='65' maxlength='65' value='$good_data[$field]'/><br/>";  
    }
    echo "<input type='submit' value='submit phone number'/>";
exit();
}
else
{
    $user='root';
    $host='localhost';
    $password='root';
    $dbname='pet';
    $cxn=mysqli_connect($host,$user,$password,$dbname) or die("can't connect to server");
    foreach($labels as $field =>$value)
        {
            $good_data[$field]=strip_tags(trim($_POST[$field]));
            $good_data[$field]=mysqli_real_escape_string($cxn,$good_data[$field]);
        }
    $check_exist="SELECT ";
    foreach($labels as $field =>$value)
    {
        $check_exist.=$field.",";
    }
    $check_exist=preg_replace("/,{3}/","",$check_exist);
    $check_exist.=" FROM data WHERE ";
    foreach($good_data as $field =>$value)
    {
        $check_exist.=$field."="; $check_exist.="'$value'".",";
    }
    echo $check_exist;

このクエリで atphone,と atの小数を削除する方法がわからないという問題があります。phone='0123456789087'

SELECT first_name,last_name,phone, FROM data WHERE
    first_name='sloth',last_name='dig',phone='0123456789087',
4

3 に答える 3