PHP Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

PHP Interview Questions

Questions Answers Views Company eMail

How is it possible to set an infinite execution time for php script?

959

Do you know what is the use of rand() in php?

978

Tell me are parent constructors called implicitly inside a class constructor?

937

Explain how can php and javascript interact?

1027

What is the difference between for and foreach?

1093

Tell me how can we change the maximum size of the files to be uploaded?

970

Tell me what is the difference between characters 34 and x34?

971

Explain what does $_server means?

1048

Explain me what are the differences between mysql_fetch_array(), mysql_fetch_object(), mysql_fetch_row()?

1112

Explain what does the unlink() function means?

1102

What is the difference between $var and $$var?

1057

Explain me what is the meaning of a persistent cookie?

1023

Tell me what is the importance of "action" attribute in a html form?

1099

What is use of in_array() function in php?

1091

How to strip whitespace (or other characters) from the beginning and end of a string?

882

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Un-Answered Questions { PHP }

What does the array operator '===' means?

1038

What are examples of independent and dependent variables?

946

What is the use of is_array() and in_array()?

1008

What are headers in php?

947

What difference between require() and require_once()?

1083

What is die in php?

1023

What are escaping characters? Explain with an example?

944

Is it possible to extend the execution time of a php script?

946

What are the encryption functions in php?

1139

What is stdclass in php?

944

What is a session in php?

981

What is the best way to change the key without changing the value of a php array element?

959

Explain me what is the difference between explode() and split() functions?

1076

What are the functions of string?

984

Explain the syntax for ‘foreach’ loop with example.

952

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