How to get the directory name out of a file path name?

971

---

How to convert strings in hex format?

1045

---

How to open standard output as a file handle?

1203

---

How to move uploaded files to permanent directory?

979

---

How to store the uploaded file to the final location?

1009

---

Where are the persistent cookies stored on your computer?

1005

---

How to avoid the undefined index error?

1015

---

How to pass an argument to a function?

1248

---

Is it more secure to use cookies to transfer session ids?

982

---

How to test if a variable is an array?

1144

---

How to convert a character to an ascii value?

1160

---

What is the scope of a variable defined outside a function?

1070

---

When viewing an html page in a browser, the browser often keeps this page in its cache. What can be possible advantages/disadvantages of page caching? How can you prevent caching of a certain page (please give several alternate solutions)?

988

---

How values in arrays are indexed?

1077

---

What are form input html tags?

992

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