Wordpress Plugin Mobile Safari Detection

Function: Plugin detects if visitor is using iPhone Safari Broswer (NOT iPad, NOT mobile Chrome. ONLY iPhone SAFARI Browser (ALL VERSIONS). If iPhone Safari browser is detected, the plugin injects code at beginning and end of post). Plugin options panel should include options/fields for TOP code, BOTTOM code, plus tick boxes for ENABLE TOP, ENABLE BOTTOM. Plugin must also generate/support 2 short codes (TOP shortcode and BOTTOM shortcode). FAST DELIVERY REQUIRED. NEED THIS IN 24 HOURS OR LESS.