Posts Tagged with 'PHP'

PHP | Start array index from 1 To change the array index start from 1 instead of 0 can be done using array_unshift() and unset() function. array_unshift() Function The array_unshift() function inserts new elements to …

Last updated 8 months, 1 week ago | 162 views

Tags:- PHP

PHP | Web Scraping Web scraping is used to get specific data from another website when there is no API available for it. There are many techniques for web scraping. You can read more about this …

Last updated 10 months, 1 week ago | 253 views

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Chart.JS | Draw Bar chart from server data using MySQL, Ajax, and PHP This example shows how to draw a bar chart with data from the database server.  FILE STRUCTURE At the end of this …

Last updated 1 year ago | 1093 views

Tags:- HTML JQuery JavaScript PHP Chart Ajax PHP-MySQL

PHP | Warning: A non-numeric value encountered This error occurs when you are trying to do a mathematical operation on an integer with a nun-numeric value or a string.  Info: New E_WARNING and E_NOTICE errors …

Last updated 1 year, 3 months ago | 1706 views

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PHP | Comments A comment in PHP code is a line that is not executed as a part of the program. It's only read by someone who is looking at the code. By reading the comments …

Last updated 1 year, 4 months ago | 291 views

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PHP | Case Sensitive In PHP, keywords (e.g. if, else, while, echo, etc.), classes, functions, and user-defined functions are not case-sensitive but all variable names are case-sensitive.   If you defined function name in lowercase, …

Last updated 1 year, 4 months ago | 667 views

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PHP | Syntax, and Tags PHP introduces a list of Tags to code PHP. PHP tags allow the PHP parsing engine to get in and get out from the PHP block. A PHP script can …

Last updated 1 year, 4 months ago | 269 views

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PHP | Statement $x = 3 + "15%" + "$25"? The correct answer is 18. Here’s why: PHP is a  loosely typed language, therefore it does automatic type conversion based on the context in which …

Last updated 1 year, 4 months ago | 283 views

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PHP | Array error fix | array_merge() The output will be as follows: array(2) { [0]=> int(1) [1]=> int(2) } NULL NULL It will also generate two warning messages as follows: Warning: array_merge(): Argument #2 …

Last updated 1 year, 4 months ago | 272 views

Tags:- PHP

PHP | Output of the following statements var_dump(0123 == 123); var_dump('0123' == 123); var_dump('0123' === 123   var_dump(0123 == 123) This will output bool(false) because the leading 0 in 0123 tells the PHP interpreter to treat the …

Last updated 1 year, 4 months ago | 301 views

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PHP | output of $a and $b once this code $a = '1'; $b = &$a; $b = "2$b" executed; Both $a and $b will output a string "21".   Because the statement $b = &$a; sets …

Last updated 1 year, 4 months ago | 296 views

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PHP | Get URL with Parameter To get the full URL of a current page with GET parameters, we use the $_SERVER global variable. We need the current URL to perform different types of works. For …

Last updated 1 year, 7 months ago | 1374 views

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SQL | IN operator with PHP Array In this article we will use PHP Array with SQL IN operator. SQL IN operator allows us to specify multiple values in where clause. So in this article …

Last updated 1 year, 7 months ago | 1038 views

Tags:- PHP PHP-MySQL

PHP | file_exists( ) Function The file's existence can be confirmed using the file_exist() function which takes the file name as an argument. file_exist("abc.jpg")   The file_exists() function is an inbuilt function in PHP that …

Last updated 1 year, 9 months ago | 509 views

Tags:- PHP

PHP | check whether a number is even or odd A trick to check whether a number is even or odd without using any condition or loop.   <?php $arr=array("0"=>"Even","1"=>"Odd"); $check=13; echo "Your number is: ".$arr[$check%2]; …

Last updated 1 year, 9 months ago | 392 views

Tags:- PHP