What are the difference between array_keys() and array_key_exists() in php?
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If anybody integrate "First Data Global Payment Gateway" in your site?
This is regarding file uploading. 1. Who will be the owner of the uploaded file ? 2. What permission you will give for an uploaded file ? 3. What is mean by user, group and others and what kind of permission you will give for each user and explain the reason?
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What is the function of mysql_real_escape_string in php?
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Explain me what is x+ mode in fopen() used for?
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How to create a mysql connection in php?
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