mingfish_004 questions

• how can I get all constants defined in a single php file to an array?
• How can I prevent the user from clicking a button too fast, in order to prevent an extra ajax request?
• how to sort array like mysql
• Find or list all constants used in a PHP file
• how can i remove "\n" in string in php? [duplicate]
• how can I get last week' date range in php?

mingfish_004 answers