The sqrt() function Returns the square root of a number.Syntaxsqrt(num)Parametersnum − The number for which you want to find the square rootReturnThe sqrt() function Returns the square root of the specified number.Example Live DemoOutput4ExampleLet us see another example − Live DemoOutput0.5ExampleLet us see another example − Live DemoOutputNANRead More

The zip_read() function reads the next entry in a ZIP file archive.Syntaxzip_read(zip)Parameterszip − The zip resource to readReturnThe zip_read() function returns a resource containing a file within the zip archive on success.ExampleThe following is an example, wherein we have a zip file "new.zip", with the following files.amit.txt peter.txt result.html demo.java ... Read More

The zip_entry_read() function is used to get the contents from an open zip archive file.Syntaxzip_entry_read(zip_entry, len)Parameterszip_entry − The zip entry resource. Required.len − The length in bytes. The default is 1024.ReturnThe zip_entry_read() function Returns the contents from an open zip archive file. Returns FALSE on failure.ExampleThe following is an example. ... Read More

The sin() function Returns the sine of a number.Syntaxsin(num)Parametersnum − The number for which you want to Return the sine. A value in radians.ReturnThe sin() function Returns the arc sine of a number.Example Live DemoOutput0.4794255386042-0.78332690962748ExampleLet us see another example − Live DemoOutput00.8414709848079-0.84147098480790.90929742682568

The rand() function gets a random number. You can also set a range to get random number from that particular range.Syntaxrand(); or rand(min_range, max_range);Parametersmin_range − Default is 0. This is the lowest number to be Returned.max_range − This is the highest number to be Returned.ReturnThe rand() function Returns a random ... Read More

The pow() function Returns a raised to the power of b.Syntaxpow(a,b)Parametersa − The baseb − The exponentReturnThe pow() function Returns a raised to the power of b.Example Live DemoOutput243ExampleLet us see another example − Live DemoOutput4096-5.0805263425291E-5ExampleLet us see another example − Live DemoOutputNAN

The octdec() function converts octal to decimal.Syntaxoctdec(val)Parametersval − the octal string to convertReturnThe octdec() function Returns the decimal equivalent of the specified octal number.Example Live DemoOutputa80ExampleLet us see another example − Live DemoOutput120170

The mt_rand() function is used to generate random numbers. The numbers are generated using the Mersenne Twister algorithm.Note − This function is faster than the rand() functionSyntaxmt_rand() or mt_rand(min, max)Parametersmin − Default is 0.The lowest number to be Returned.max − The highest number to be Returned.ReturnThe mt_rand() function Returns a ... Read More

The min() function Returns the minimum value of an array.Syntaxmin(arr_values); or min(val1,val2,...);Parametersarr_values − The array with values.val1, val2 − The values to compare.ReturnThe min() function Returns the minimum value of an array.Example Live DemoOutput12ExampleLet us see another example − Live DemoOutput12

The log1p() function Returns log(1+number), computed in a way that is accurate even when the value of number is close to zero.Syntaxlog1p(val)Parametersval − The specified numberReturnThe log1p() function Returns log(1+number), computed in a way that is accurate even when the value of number is close to zero.Example Live DemoOutput0.69314718055995ExampleLet us see ... Read More