wp-admin/includes/image.php:816Converts the exif date format to a unix timestamp.
$strstringint|falsefunction wp_exif_date2ts( $str ) { list( $date, $time ) = explode( ' ', trim( $str ) ); list( $y, $m, $d ) = explode( ':', $date ); return strtotime( "{$y}-{$m}-{$d} {$time}" );}Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/image.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.