validate_plugin_requirements() – Validates the plugin requirements for WordPress version and PHP version.

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Description

Validates the plugin requirements for WordPress version and PHP version.

Uses the information from Requires at least and Requires PHP headers defined in the plugin's main PHP file.

Usage

$true|WP_Error = validate_plugin_requirements( $plugin );

Parameters

$plugin
( string ) required – Path to the plugin file relative to the plugins directory.

Returns

true|WP_Error True if requirements are met, WP_Error on failure.

Source

File name: wordpress/wp-admin/includes/plugin.php
Lines:

1 to 62 of 62
function validate_plugin_requirements( $plugin ) {
  $plugin_headers = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );

  $requirements = array(
    'requires'     => ! empty( $plugin_headers['RequiresWP'] ) ? $plugin_headers['RequiresWP'] : '',
    'requires_php' => ! empty( $plugin_headers['RequiresPHP'] ) ? $plugin_headers['RequiresPHP'] : '',
  );

  $compatible_wp  = is_wp_version_compatible( $requirements['requires'] );
  $compatible_php = is_php_version_compatible( $requirements['requires_php'] );

  $php_update_message = '</p><p>' . sprintf(
    /* translators: %s: URL to Update PHP page. */
    __( '<a href="%s">Learn more about updating PHP</a>.' ),
    esc_url( wp_get_update_php_url() )
  );

  $annotation = wp_get_update_php_annotation();

  if ( $annotation ) {
    $php_update_message .= '</p><p><em>' . $annotation . '</em>';
  }

  if ( ! $compatible_wp && ! $compatible_php ) {
    return new WP_Error(
      'plugin_wp_php_incompatible',
      '<p>' . sprintf(
        /* translators: 1: Current WordPress version, 2: Current PHP version, 3: Plugin name, 4: Required WordPress version, 5: Required PHP version. */
        _x( '<strong>Error:</strong> Current versions of WordPress (%1$s) and PHP (%2$s) do not meet minimum requirements for %3$s. The plugin requires WordPress %4$s and PHP %5$s.', 'plugin' ),
        get_bloginfo( 'version' ),
        phpversion(),
        $plugin_headers['Name'],
        $requirements['requires'],
        $requirements['requires_php']
      ) . $php_update_message . '</p>'
    );
  } elseif ( ! $compatible_php ) {
    return new WP_Error(
      'plugin_php_incompatible',
      '<p>' . sprintf(
        /* translators: 1: Current PHP version, 2: Plugin name, 3: Required PHP version. */
        _x( '<strong>Error:</strong> Current PHP version (%1$s) does not meet minimum requirements for %2$s. The plugin requires PHP %3$s.', 'plugin' ),
        phpversion(),
        $plugin_headers['Name'],
        $requirements['requires_php']
      ) . $php_update_message . '</p>'
    );
  } elseif ( ! $compatible_wp ) {
    return new WP_Error(
      'plugin_wp_incompatible',
      '<p>' . sprintf(
        /* translators: 1: Current WordPress version, 2: Plugin name, 3: Required WordPress version. */
        _x( '<strong>Error:</strong> Current WordPress version (%1$s) does not meet minimum requirements for %2$s. The plugin requires WordPress %3$s.', 'plugin' ),
        get_bloginfo( 'version' ),
        $plugin_headers['Name'],
        $requirements['requires']
      ) . '</p>'
    );
  }

  return true;
}
 

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