slevy1 questions

slevy1 answers

• Find two different substr in PHP
• Select elements inside a specific container (div or form)
• Use TRUE, FALSE, and NULL
• Can i get this straight in php filters (FILTER_REQUIRE_ARRAY, FILTER_REQUIRE_SCALAR , FILTER_FORCE_ARRAY )
• It it possible to use javascript to save a file to same directory as current file?
• smooth scrolling on anchors
• How to hide div on load of webpage
• When to use call_user_func_array
• Alternative to assign empty value if the parameter not exist in php
• Why does the PHP parser understand "$x++-++$x", but fail on "$x+++++$x"?