What is a substring in php?

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Can you explain, when to use if-else if-else over switch statements?

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if i give Limit for mysql query through php command line script like this for ex. $limit=500; $total_items = 1500; for($start=0;$start<$total_items;){ $command = "/usr/bin/php -q /home/sitename/public_html/admin/feedmanager/test.php feedid ".$_GET['feedid']." start ".$start." end ".$limit ; $start = $start+$limit; $command_result = system($command); } so it's execute command for 3 times so it give limit to sql query but if i have 27000 data so it takes long time? so my question is that is that any way from php command line script that i can use for collect all the data at once?

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can anyone explain about stored procedure,Triggers and transaction in php?

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Tell me how is it possible to remove escape characters from a string?

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What is the difference between html and php?

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how to make website package setup like desktop software setup ... that front end and backend can include in setup like single package...?

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How to generate a form?

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Is overloading possible in php?

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What is difference between array_merge and array_combine?

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discuss the issue of software theft in ghana and how it has affected the economy

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How does the identity operator ===compare two values in PHP?

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