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PHP
PHP Articles
Page 74 of 81
log() function in PHP
The log() function Returns the natural logarithm of a number.Syntaxlog(num, base)Parametersnum − The value for which you want to calculate the logarithmbase − The logarithmic baseReturnThe log() function Returns the natural logarithm of a number.Example Live DemoOutput0ExampleLet us see another example − Live DemoOutput-INFExampleLet us see another example − Live DemoOutput2.3025850929940.99325177301028
Read MoreGenerating Random String Using PHP
To generate random string using PHP, the code is as follows−Example Live DemoOutputThis will produce the following output−Displaying random string... 1c856ExampleLet us now see another example − Live DemoOutputThis will produce the following output−Displaying random string... a3541 Displaying another random string... 335b83d9e9
Read Moredecbin() function in PHP
The decbin() function converts a decimal number to binary number.Syntaxdecbin(num)Parametersnum − Specifies a number to be converted to binary.ReturnThe decbin() function Returns a string representing the binary number of the decimal value.Example Live DemoOutput111100011001ExampleLet us see another example − Live DemoOutput1100011
Read MoreHow to access an associative array by integer index in PHP?
To access an associative array by integer index in PHP, the code is as follows−Example Live DemoOutputThis will produce the following output−Array key and value... key: p, value: 150 key: q, value: 100 key: r, value: 120 key: s, value: 110ExampleLet us now see another example− Live DemoOutputThis will produce the following output−Array key and value... key: p, value: 150 key: q, value: 100 key: r, value: 120 key: s, value: 110 Updated Array key and value... key: p, value: 150 key: q, value: 100 key: r, value: 20 key: s, value: 10
Read Morecosh() function in PHP
The cosh() function Returns the hyperbolic cosine of a number. The value Returned is a floating point number.Syntaxcosh(num)Parametersnum − Specifies a number in radiansReturnThe cosh() function Returns the hyperbolic cosine of a number. The value Returned is a floating point number.Example Live DemoOutput1.54308063481521.5430806348152ExampleLet us see another example − Live DemoOutput1Example Live DemoOutput11.591953275522267.74676148375
Read MoreHow to check whether an array is empty using PHP?
To check whether an array is empty, the code is as follows in PHP−Example Live Demo
Read MoreHow to create a copy of an object in PHP?
To create a copy of an object in PHP, the code is as follows−Example Live DemoOutputThis will produce the following output−JackKevin TomRyanExampleLet us now see another example − Live DemoOutputThis will produce the following output−Demo Object( [deptname] => Finance [deptzone] => West ) Demo Object( [deptname] => Finance [deptzone] => West )
Read Moreceil() function in PHP
The ceil() function rounds a number to the nearest integer. The value is rounded up to the nearest greatest integer.Syntaxceil(num)Parametersnum − The number to round upReturnThe ceil() function Returns the value rounded up to the nearest (up) integer.Example Live DemoOutput11ExampleLet us see another example − Live DemoOutput2ExampleLet us see another example − Live DemoOutput9-9
Read Morebase_convert() function in PHP
The base_convert() function converts a number from one base to another, for example, octal number to decimal number. The base mentioned here should be between 2 and 36. Digits in numbers with a base greater than 10 is represented with the letters a-z i.e a is 10, , d is 13, z is 35, etc.Syntaxbase_convert(num, original_base, to_base)Parametersnum − The number to convertoriginal_base − The original base. The base mentioned here should be between 2 and 36. Digits in numbers with a base greater than 10 is represented with the letters a-z i.e a is 10, , d is 13, z ...
Read Moreatan2() function in PHP
The atan2() function returns the arc tangent of two variables.Syntaxatan2(val1, val2)Parametersval1 − The dividendval2 − The divisorReturnThe atan2() function returns the arc tangent of val2/ val1 in radians. The returned value is between -Pi and Pi.Example Live DemoOutput0.785398163397450.78539816339745ExampleLet us see another example − Live DemoOutput-2.3561944901923-2.2318394956456
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