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4,374 php developer programmer interview questions shared by candidates

1. How would you optimise a cache service after a underling table has been updated? 2. How would you store large precision currency values in PHP/MySQL when float doesn't provide enough precision (the answer is *not* decimal)? 3. What is the difference between and facade and decorator pattern and when would you use each one? 4. Describe the definition of SOLID?
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Contract PHP Web Developer

Interviewed at WorldFirst

3.5★
Nov 15, 2016

1. How would you optimise a cache service after a underling table has been updated? 2. How would you store large precision currency values in PHP/MySQL when float doesn't provide enough precision (the answer is *not* decimal)? 3. What is the difference between and facade and decorator pattern and when would you use each one? 4. Describe the definition of SOLID?

if(isset($_POST['sub'])) { $rows=$_POST['row']; for($i=$rows;$i>=1;--$i) { for($j=1;$j<=$i;++$j) { echo $j; } echo "<br />"; } } ?> <table> <form method="post" name="frm" action=""> <tr> <td>Enter Number of rows:</td> <td><input type="text" name="row" /></td> </tr> <tr><td></td> <td><input type="submit" name="sub" /></td> </tr> </form> </table>
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PHP Developer

Interviewed at ConnectiveRx

2.8★
Apr 2, 2020

if(isset($_POST['sub'])) { $rows=$_POST['row']; for($i=$rows;$i>=1;--$i) { for($j=1;$j<=$i;++$j) { echo $j; } echo "<br />"; } } ?> <table> <form method="post" name="frm" action=""> <tr> <td>Enter Number of rows:</td> <td><input type="text" name="row" /></td> </tr> <tr><td></td> <td><input type="submit" name="sub" /></td> </tr> </form> </table>

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