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How To Change Password Using PHP

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Good Day!!!

In this tutorial, we are going to learn on How To Change Password Using PHP. In any Web Application, changing password is important feature.

result_6.png

Now, let us create a change password using PHP script.
database name - change_password
old password : change_password
Directions:

For CSS Codes

  1. <style type=

    "text/css"

    >
  2. fieldset {
  3. width

    :

    500px

    ;
  4. border

    :

    5px

    dashed

    #CCCCCC

    ;
  5. margin

    :

    0

    auto

    ;
  6. border-radius

    :

    5px

    ;
  7. }

  9. legend {
  10. color

    :

    blue

    ;
  11. font-size

    :

    25px

    ;
  12. }

  14. dl {
  15. float

    :

    right

    ;
  16. width

    :

    390px

    ;
  17. }

  19. dt {
  20. width

    :

    180px

    ;
  21. color

    :

    brown

    ;
  22. font-size

    :

    19px

    ;
  23. }

  25. dd {
  26. width

    :

    200px

    ;
  27. float

    :

    left

    ;
  28. }

  30. dd input {
  31. width

    :

    200px

    ;
  32. border

    :

    2px

    dashed

    #DDD

    ;
  33. font-size

    :

    15px

    ;
  34. text-indent

    :

    5px

    ;
  35. height

    :

    28px

    ;
  36. }

  38. .btn

    {
  39. color

    :

    #fff

    ;
  40. background-color

    :

    dimgrey

    ;
  41. height

    :

    38px

    ;
  42. border

    :

    2px

    solid

    #CCC

    ;
  43. border-radius

    :

    10px

    ;
  44. float

    :

    right

    ;
  45. }

  47. </style>

For HTML Codes

  1. <fieldset

    >
  2. <legend

    >

    Change Password</

    legend

    >
  3. <form

     method

    =

    "post"

    >
  4. <dl

    >
  5. <dt

    >
  6. Old Password
  7. </

    dt

    >
  8. <dd

    >
  9. <input

     type

    =

    "password"

    name

    =

    "old_pass"

    placeholder=

    "Old Password..."

    value

    =

    ""

    required /

    >
  10. </

    dd

    >
  11. </

    dl

    >
  12. <dl

    >
  13. <dt

    >
  14. New Password
  15. </

    dt

    >
  16. <dd

    >
  17. <input

     type

    =

    "password"

    name

    =

    "new_pass"

    placeholder=

    "New Password..."

    value

    =

    ""

    required /

    >
  18. </

    dd

    >
  19. </

    dl

    >
  20. <dl

    >
  21. <dt

    >
  22. Retype New Password
  23. </

    dt

    >
  24. <dd

    >
  25. <input

     type

    =

    "password"

    name

    =

    "re_pass"

    placeholder=

    "Retype New Password..."

    value

    =

    ""

    required /

    >
  26. </

    dd

    >
  27. </

    dl

    >

  29. <p

     align

    =

    "center"

    >
  30. <input

     type

    =

    "submit"

    class

    =

    "btn"

    value

    =

    "Reset Password"

    name

    =

    "re_password"

    /

    >
  31. </

    p

    >
  32. </

    form

    >
  33. </

    fieldset

    >

For PHP Codes

  1. <?php
  2. $conn_db

    =

    mysql_connect

    (

    "localhost"

    ,

    "root"

    ,

    ""

    )

    or die

    (

    )

    ;
  3. $sel_db

    =

    mysql_select_db

    (

    "change_password"

    ,

    $conn_db

    )

    or die

    (

    )

    ;
  4. if

    (

    isset

    (

    $_POST

    [

    're_password'

    ]

    )

    )
  5. {
  6. $old_pass

    =

    $_POST

    [

    'old_pass'

    ]

    ;
  7. $new_pass

    =

    $_POST

    [

    'new_pass'

    ]

    ;
  8. $re_pass

    =

    $_POST

    [

    're_pass'

    ]

    ;
  9. $chg_pwd

    =

    mysql_query

    (

    "select * from users where id='1'"

    )

    ;
  10. $chg_pwd1

    =

    mysql_fetch_array

    (

    $chg_pwd

    )

    ;
  11. $data_pwd

    =

    $chg_pwd1

    [

    'password'

    ]

    ;
  12. if

    (

    $data_pwd

    ==

    $old_pass

    )

    {
  13. if

    (

    $new_pass

    ==

    $re_pass

    )

    {
  14. $update_pwd

    =

    mysql_query

    (

    "update users set password='$new_pass

    ' where id='1'"

    )

    ;
  15. echo

    "<script>alert('Update Sucessfully'); window.location='index.php'</script>"

    ;
  16. }
  17. else

    {
  18. echo

    "<script>alert('Your new and Retype Password is not match'); window.location='index.php'</script>"

    ;
  19. }
  20. }
  21. else
  22. {
  23. echo

    "<script>alert('Your old password is wrong'); window.location='index.php'</script>"

    ;
  24. }

    }
  25. ?>

Full Source Code

  1. <!DOCTYPE html>
  2. <html

    >
  3. <head

    >
  4. <title

    >

    Change Password</

    title

    >
  5. <style

     type

    =

    "text/css"

    >
  6. fieldset {
  7. width:500px;
  8. border:5px dashed #CCCCCC;
  9. margin:0 auto;
  10. border-radius:5px;
  11. }

  13. legend {
  14. color: blue;
  15. font-size: 25px;
  16. }

  18. dl {
  19. float: right;
  20. width: 390px;
  21. }

  23. dt {
  24. width: 180px;
  25. color: brown;
  26. font-size: 19px;
  27. }

  29. dd {
  30. width:200px;
  31. float:left;
  32. }

  34. dd input {
  35. width: 200px;
  36. border: 2px dashed #DDD;
  37. font-size: 15px;
  38. text-indent: 5px;
  39. height: 28px;
  40. }

  42. .btn {
  43. color: #fff;
  44. background-color: dimgrey;
  45. height: 38px;
  46. border: 2px solid #CCC;
  47. border-radius: 10px;
  48. float: right;
  49. }

  51. </

    style

    >
  52. </

    head

    >

  54. <body

    >
  55. <fieldset

    >
  56. <legend

    >

    Change Password</

    legend

    >
  57. <?php
  58. $conn_db =

    mysql_connect(

    "localhost"

    ,"root"

    ,""

    )

    or die(

    )

    ;
  59. $sel_db =

    mysql_select_db(

    "change_password"

    ,$conn_db)

    or die(

    )

    ;
  60. if(

    isset(

    $_POST[

    're_password'

    ]

    )

    )
  61. {
  62. $old_pass=

    $_POST[

    'old_pass'

    ]

    ;
  63. $new_pass=

    $_POST[

    'new_pass'

    ]

    ;
  64. $re_pass=

    $_POST[

    're_pass'

    ]

    ;
  65. $chg_pwd=

    mysql_query(

    "select * from users where id='1'"

    )

    ;
  66. $chg_pwd1=

    mysql_fetch_array(

    $chg_pwd)

    ;
  67. $data_pwd=

    $chg_pwd1[

    'password'

    ]

    ;
  68. if(

    $data_pwd==

    $old_pass)

    {
  69. if(

    $new_pass==

    $re_pass)

    {
  70. $update_pwd=

    mysql_query(

    "update users set password='$new_pass' where id='1'"

    )

    ;
  71. echo "<script>

    alert('Update Sucessfully'); window.location='index.php'</

    script

    >

    ";
  72. }
  73. else{
  74. echo "<script

    >

    alert('Your new and Retype Password is not match'); window.location='index.php'</

    script

    >

    ";
  75. }
  76. }
  77. else
  78. {
  79. echo "<script

    >

    alert('Your old password is wrong'); window.location='index.php'</

    script

    >

    ";
  80. }}
  81. ?>

  83. <form

     method

    =

    "post"

    >
  84. <dl

    >
  85. <dt

    >
  86. Old Password
  87. </

    dt

    >
  88. <dd

    >
  89. <input

     type

    =

    "password"

    name

    =

    "old_pass"

    placeholder=

    "Old Password..."

    value

    =

    ""

    required /

    >
  90. </

    dd

    >
  91. </

    dl

    >
  92. <dl

    >
  93. <dt

    >
  94. New Password
  95. </

    dt

    >
  96. <dd

    >
  97. <input

     type

    =

    "password"

    name

    =

    "new_pass"

    placeholder=

    "New Password..."

    value

    =

    ""

    required /

    >
  98. </

    dd

    >
  99. </

    dl

    >
  100. <dl

    >
  101. <dt

    >
  102. Retype New Password
  103. </

    dt

    >
  104. <dd

    >
  105. <input

     type

    =

    "password"

    name

    =

    "re_pass"

    placeholder=

    "Retype New Password..."

    value

    =

    ""

    required /

    >
  106. </

    dd

    >
  107. </

    dl

    >

  109. <p

     align

    =

    "center"

    >
  110. <input

     type

    =

    "submit"

    class

    =

    "btn"

    value

    =

    "Reset Password"

    name

    =

    "re_password"

    /

    >
  111. </

    p

    >
  112. </

    form

    >
  113. </

    fieldset

    >
  114. </

    body

    >
  115. </

    html

    >

So what can you say about this work? Share your thoughts in the comment section below. Practice Coding. Thank you.


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