Ever opened a PHP file during an authorized test and felt your eyes slide right off it? Reading php code like a bug hunter doesn’t mean understanding every line the way the developer who wrote it does. It means knowing exactly which two or three patterns to scan for first, recognizing them the instant they show up, and knowing how often real bug bounty programs actually pay out for exactly these bugs. This post hands you that shortlist, plus ten real, publicly disclosed reports that prove it.