You need to escape data while displaying also. Use esc_attr in your case. Try this: <input type=”text” name=”field_name” value=”<?php echo (!empty($field)) ? esc_attr( $field ) : ”; ?>” /> Check this for full documentation – https://codex.wordpress.org/Data_Validation
Custom Form Validation not Working and junping to next step
Block validation failed for React Component block that rehydrates after taking effect
Nonces don’t store absolute time, but the number of ‘ticks’ since the start of the unix epoch, where each tick is half a day long by default. To check a nonce, WordPress generates the current and previous nonces and compares the result to the value you passed in. This means that the nonce lifetime needs … Read more
Instead of adding the nonce_life filter and then immediately removing it, try telling WordPress that the lifetime for your nonce is 30 seconds. add_filter( ‘nonce_life’, ‘wpse426626_my_nonce_lifetime’, 10, 2 ); /** * Sets the nonce lifetime for the creacomments nonce. * * @param int $lifetime The nonce lifetime. * @param string $action The nonce action. * … Read more
Validate a custom form with js and php
Block Validation Error
Thank you Jacob Peattie for suggesting. It is very simple to use confirm() to replace alert() although confirm() has two options for users to select: OK and Cancel. When users click OK or Cancel button, I use function focus() to direct users where to correct that empty Content. Here are my working sample codes: if(content … Read more
As mentioned I wasn’t able to find it explicitly mentioned, although it was implied in some articles, that it was being done. When using the settings_fields( string $option_group ) wordpress function you can see from the source code that it includes a nonce field: https://developer.wordpress.org/reference/functions/settings_fields/ function settings_fields( $option_group ) { echo “<input type=”hidden” name=”option_page” value=”” … Read more
How to jquery validate wp_editor?