Skip to content

Instantly share code, notes, and snippets.

@pixeldevsio

pixeldevsio/wp-content-image-regex.php

Created July 14, 2022 12:10
Show Gist options
  • Save pixeldevsio/200b2081af21ba8de6dfc8ee4db1df6d to your computer and use it in GitHub Desktop.
Save pixeldevsio/200b2081af21ba8de6dfc8ee4db1df6d to your computer and use it in GitHub Desktop.
Download ZIP
Raw
wp-content-image-regex.php
<?php
/**
* Update Single Post Content images to include image credit
*
* @param string $content
* @return string
*/
function _codeable_addCreditToImage(string $content){
global $post;
// Get all images from post content
preg_match_all("/<img(.*?)class=('|\")(.*?)('|\")(.*?)src=('|\")(.*?)('|\")(.*?)>/i", $content, $images);
// check if images exist. If not, exit.
if(!is_null($images)){
$i = 0;
// Loop through images
foreach ($images as $key) {
// Get the class and match just the image ID.
$class = $images[3][$i];
preg_match('/(\d+)[^-]*$/', $class, $pictureID);
// Set the image ID and check for Credit Line Post Meta
$imageID = $pictureID[0];
$credit_line = get_post_meta($imageID, 'sanfrancisco_credit_line', true );
// Do we have Credit Line?
if($credit_line){
// Format the image with a credit line
$replacement = "<figure class='has-credit-line'>
<img ".$images[1][$i]." class=".$images[2][$i].$images[3][$i].$images[4][$i].$images[5][$i]." src=".$images[6][$i].$images[7][$i].$images[8][$i].$images[9][$i].">
<div class='sf-entry-flags'>
<span class='sf-entry-flag sf-entry-flag-creditline'>" . get_post_meta($imageID , 'sanfrancisco_credit_line', true ) . "</span>
</div>
</figure>";
// replace the content with the new images
$content = str_replace($images[0][$i], $replacement, $content);
}
$i++;
}
}
return $content;
}
add_filter('the_content', '_codeable_addCreditToImage', 9999);
?>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment