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_wp_check_existing_file_names is private and should not be used in themes or plugins directly.
_wp_check_existing_file_names › WordPress Function
Since5.3.1
Deprecatedn/a
› _wp_check_existing_file_names ( $filename, $files )
Access: |
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Parameters: (2) |
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Returns: |
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Defined at: |
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Codex: |
Helper function to check if a file name could match an existing image sub-size file name.
Source
function _wp_check_existing_file_names( $filename, $files ) {
$fname = pathinfo( $filename, PATHINFO_FILENAME );
$ext = pathinfo( $filename, PATHINFO_EXTENSION );
// Edge case, file names like `.ext`.
if ( empty( $fname ) ) {
return false;
}
if ( $ext ) {
$ext = ".$ext";
}
$regex = '/^' . preg_quote( $fname ) . '-(?:\d+x\d+|scaled|rotated)' . preg_quote( $ext ) . '$/i';
foreach ( $files as $file ) {
if ( preg_match( $regex, $file ) ) {
return true;
}
}
return false;
}