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 | Common PHP function with code Question Posted on 23 Mar 2019
 
 Home >> PHP >> Example >> Common PHP function with code
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 | Common PHP function with code Below are the diferent PHP function with example and output
 (1)is_number
 it is used to check value is numeric or not
 Code:-
 < ?php
 if(is_numeric("crackyourinterview"))
 {
 echo "true";
 }
 else
 {
 echo "false";
 }
 ?>
 Output:-False
 
 (2)number_format
 used to separate digit and decimal parts
 Code
 < ?php
 echo number_format(1124563);
 ? >
 Output:-1,124,563
 
 (3)rand
 Used to generate a random number
 Code:-
 < ?php
 echo rand();
 ?>
 Output:- Random Number
 
 (4)round
 Round off a number with decimal points to nearest whole number
 Code:-
 < ?php
 echo round(56.23);
 ?>
 Output:-56
 
 (5)sqrt
 Return the square root of a number
 Code:-
 < ?php
 echo sqrt(81);
 ?>
 Output:-9
 
 (5)cos
 Return the cosine
 Code:-
 echo cos(45);
 ?>
 Output:-0.52532198881773
 
 (6)sin
 Return the sine
 Code:-
 < ?php
 echo sin(45);
 ?>
 Output:-0.85090352453412
 
 (7)tab
 Return the tangent
 Code:-
 < ?php
 echo tan(45);
 ?>
 Output:-1.6197751905439
 
 (8)pi
 Returns the value of PI
 Code:-
 < ?php
 echo pi();
 ?>
 Output:-3.1415926535898
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