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

PHP Interview Questions

Questions Answers Views Company eMail

What is the difference between md5(), crc32() and sha1() crypto on php?

1051

What is the difference between php4 and php5?

1060

How can we submit from without a submit button?

999

How to turn on the session support?

1089

What is the difference between include and require?

994

How do you define a constant?

957

How can we submit form without a submit button?

1014

What is the value for this auto incremented field user_pri_id?

928

How to read the entire file into a single string?

989

How come the code works, but doesn’t for two-dimensional array of mine?

1036

How to protect special characters in query string?

957

What is the special meaning of __sleep and __wakeup?

996

How to remove a file?

1122

How the values are ordered in an array?

1088

What type of headers have to be added in the mail function to attach a file?

940

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Un-Answered Questions { PHP }

Can I write php code in html file?

986

What is the default session time in php?

1010

Tell me what is pear?

991

How to reset/destroy a cookie?

1128

What is an associative array?

1041

What is echo and print in php?

956

Is php a middleware?

952

How do you use an array in excel?

1086

Code to open file download dialog in PHP?

1082

What is if isset ($_ post submit )) in php?

1027

How can we change the value of a constant?

976

What is difference between require_once(), require(), include()?

996

How do you remove duplicates from an array?

1045

Tell me what the difference between the 'bitwise and' operator and the 'logical and' operator?

956

in PHP for pdf which library used?

1001

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