PHP introductory tutorial (8) PHP array

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Release: 2016-07-25 08:55:47
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  1. $user[0]=1;
  2. $user[1]="kobe";
  3. $user[2]=10;
  4. $user[3]="mac";
  5. $user[4] ="kobe@bb.com";
  6. echo '
    '; </li>
    <li>print_r($user); </li>
    <li>echo '
    ';
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Example: Associative array

  1. $user=array("id"=>1, "name"=>"kobe", "age"=>10, 100=>"mac", "kobe@bbb. com");
  2. for($i=0; $i<20; $i++)
  3. $user[]=$i;
  4. echo '
    '; </li>
    <li>print_r($user); </li>
    <li>echo '< ;/pre>'; 
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Example: php multidimensional array

  1. $User =array(
  2. array('Zhang 3',93),
  3. array('Li 4',80),
  4. array('Wang 5',98)
  5. );
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Example: Traversing php array elements

  1. //Define an array
  2. $arr = array(0=>"kobe", 1=>"mac-t", 2=>"lin");
  3. //Use the first method to traverse the array
  4. foreach ($arr as $value) {
  5. echo "Value: $value; ";
  6. }
  7. echo "
    ";
  8. //Use the second method Traverse the array
  9. foreach ($arr as $key => $value) {
  10. echo "Key: $key; Value: $value; ";
  11. }
  12. ?>
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2) ,

  1. //Define array
  2. $array = array("ar1" => array(5=>100, 3=>120, 4=>30),
  3. " ar2" => array(4=>"three", 9=>"four", 1=>"five"));
  4. //Traverse the array
  5. foreach ($array as $v1)
  6. { // bbs.it-home.org
  7. foreach ($v1 as $v2)
  8. {
  9. print "$v2/n";
  10. }
  11. }
  12. ?>
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