Move password hint text to a function. Add 'password_hint' filter.

props convissor.
fixes #21243.

git-svn-id: https://develop.svn.wordpress.org/trunk@29962 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/install.php

@@ -133,7 +133,7 @@ function display_setup_form( $error = null ) {
 				<input name="admin_password" type="password" id="pass1" size="25" value="" />
 				<p><input name="admin_password2" type="password" id="pass2" size="25" value="" /></p>
 				<div id="pass-strength-result"><?php _e('Strength indicator'); ?></div>
-				<p><?php _e('Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ &amp; ).'); ?></p>
+				<p><?php echo _wp_password_hint(); ?></p>
 			</td>
 		</tr>
 		<?php endif; ?>

src/wp-admin/user-edit.php

@@ -470,7 +470,7 @@ if ( $show_password_fields ) :
 	<p class="description"><?php _e( 'Type your new password again.' ); ?></p>
 	<br />
 	<div id="pass-strength-result"><?php _e( 'Strength indicator' ); ?></div>
-	<p class="description indicator-hint"><?php _e( 'Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ &amp; ).' ); ?></p>
+	<p class="description indicator-hint"><?php echo _wp_password_hint(); ?></p>
 	</td>
 </tr>
 <?php endif; ?>

src/wp-admin/user-new.php

@@ -398,7 +398,7 @@ if ( apply_filters( 'show_password_fields', true ) ) : ?>
 		<input name="pass2" type="password" id="pass2" autocomplete="off" />
 		<br />
 		<div id="pass-strength-result"><?php _e('Strength indicator'); ?></div>
-		<p class="description indicator-hint"><?php _e('Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ &amp; ).'); ?></p>
+		<p class="description indicator-hint"><?php echo _wp_password_hint(); ?></p>
 		</td>
 	</tr>
 	<tr>

src/wp-includes/user.php

@@ -2070,6 +2070,27 @@ function _wp_get_user_contactmethods( $user = null ) {
 	return wp_get_user_contact_methods( $user );
 }
 
+/**
+ * Gets the text suggesting how to create strong passwords.
+ *
+ * @since 4.1.0
+ * @access private
+ *
+ * @return string The password hint text.
+ */
+function _wp_password_hint() {
+	$hint = __( 'Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).' );
+
+	/**
+	 * Filter the text describing the site's password complexity policy.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $hint The password hint text.
+	 */
+	return apply_filters( 'password_hint', $hint );
+}
+
 /**
  * Retrieves a user row based on password reset key and login
  *

src/wp-login.php

@@ -626,8 +626,7 @@ case 'rp' :
 	</p>
 
 	<div id="pass-strength-result" class="hide-if-no-js"><?php _e('Strength indicator'); ?></div>
-	<p class="description indicator-hint"><?php _e('Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ &amp; ).'); ?></p>
+	<p class="description indicator-hint"><?php echo _wp_password_hint(); ?></p>
-
 	<br class="clear" />
 
 	<?php