Title: Topic Tag: PHP 4 | WordPress.org

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# Topic Tag: PHP 4

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [[Advanced Custom Fields (ACF®)] php 4 and widgets not displaying in admin area](https://wordpress.org/support/topic/php-4-and-widgets-not-displaying-in-admin-area/)
    -  Started by: [GeorgiaG](https://wordpress.org/support/users/georgiag/)
    - 1
    - 0
    -  [10 years, 7 months ago](https://wordpress.org/support/topic/php-4-and-widgets-not-displaying-in-admin-area/)
    -  [GeorgiaG](https://wordpress.org/support/users/georgiag/)
 *  -  [[Simple Page Sidebars] Widgets not displaying in admin area](https://wordpress.org/support/topic/widgets-not-displaying-in-admin-area/)
    -  Started by: [GeorgiaG](https://wordpress.org/support/users/georgiag/)
    - 2
    - 2
    -  [10 years, 6 months ago](https://wordpress.org/support/topic/widgets-not-displaying-in-admin-area/#post-6698610)
    -  [GeorgiaG](https://wordpress.org/support/users/georgiag/)
 *  -  [[NextCellent Gallery - NextGEN Legacy] PHP 4 to PHP 5 update](https://wordpress.org/support/topic/php-4-to-php-5-update/)
    -  Started by: [m.songbird](https://wordpress.org/support/users/msongbird-1/)
    - 2
    - 1
    -  [10 years, 9 months ago](https://wordpress.org/support/topic/php-4-to-php-5-update/#post-6424962)
    -  [szabesz](https://wordpress.org/support/users/szabesz/)
 *  -  [[Formidable Forms - Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder] Is Formidable Forms compatible with WordPress 4.3?](https://wordpress.org/support/topic/is-formidable-forms-compatible-with-wordpress-43/)
    -  Started by: [mintdave](https://wordpress.org/support/users/mintdave/)
    - 2
    - 2
    -  [10 years, 10 months ago](https://wordpress.org/support/topic/is-formidable-forms-compatible-with-wordpress-43/#post-6422331)
    -  [mintdave](https://wordpress.org/support/users/mintdave/)
 *  -  [[GC Testimonials] GC Testimonials – Using PHP 4 Style Constructors](https://wordpress.org/support/topic/gc-testimonials-using-php-4-style-constructors/)
    -  Started by: [skippywp](https://wordpress.org/support/users/skippywp/)
    - 1
    - 1
    -  [10 years, 10 months ago](https://wordpress.org/support/topic/gc-testimonials-using-php-4-style-constructors/#post-6306541)
    -  [skippywp](https://wordpress.org/support/users/skippywp/)
 *  -  [[Hide Admin Bar Toolbar] PHP Compatibility Question](https://wordpress.org/support/topic/php-compatibility-question-1/)
    -  Started by: [loswaldess](https://wordpress.org/support/users/loswaldess/)
    - 3
    - 4
    -  [12 years ago](https://wordpress.org/support/topic/php-compatibility-question-1/#post-4484350)
    -  [slangji](https://wordpress.org/support/users/slangji/)
 *  -  [updating from php4 to php5](https://wordpress.org/support/topic/updating-from-php4-to-php5/)
    -  Started by: [vincentdavis](https://wordpress.org/support/users/vincentdavis/)
    - 2
    - 1
    -  [16 years, 7 months ago](https://wordpress.org/support/topic/updating-from-php4-to-php5/#post-1271789)
    -  [Samuel Wood (Otto)](https://wordpress.org/support/users/otto42/)
 *  -  [Username unrecognized / can’t reset password](https://wordpress.org/support/topic/username-unrecognized-cant-reset-password/)
    -  Started by: [stonegauge](https://wordpress.org/support/users/stonegauge/)
    - 4
    - 8
    -  [18 years, 4 months ago](https://wordpress.org/support/topic/username-unrecognized-cant-reset-password/#post-693164)
    -  [stonegauge](https://wordpress.org/support/users/stonegauge/)
 *   

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