Merge branch 'master' of https://github.com/siddhuphp/all_scripts

php_scripts/Helpful/try_catch.php

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+<?php
+// Try catch example

php_scripts/oops/classes.php

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+<?php
+
+echo "example of classes and object\n";
+class Cars
+{
+    const CAR_SPAN_YEARS = 10;
+
+    public $name; //properties 
+    public $model;
+    public $color;
+    public $age = 24;
+    protected $api_key = "XYZ";
+    private $pwd = "123456";
+    public static $chk = "parent static";
+
+    function __construct($tempName = "") // Special function (initiate parameter)
+    {
+        #Notes => __constructor 
+        # constructor is something that will excute some code immidetly whenever you load the class.
+        # You dont need to call extra function 
+
+        echo "this is calling from __construct function" . PHP_EOL;
+
+        #Notes => Initiate any value by default
+        # for suppose if you want initiate any value by default 
+        $this->age = 55;
+
+        $this->name = $tempName;
+    }
+
+    public function set_name($a) // Methods(Parameters)
+    {
+        #Notes => access class proprties 
+        #we can access this class properties using $this. we call it "pseudo variable" 
+        $this->name = $a;
+    }
+
+    public function get_name()
+    {
+        return $this->name;
+    }
+
+    protected function get_set_name()
+    {
+        return $this->name;
+    }
+
+    public function add_sum()
+    {
+        return 7 * 7;
+    }
+
+    public function access_protected()
+    {
+        return $this->api_key . PHP_EOL;
+    }
+
+    public function access_private()
+    {
+        return $this->pwd . PHP_EOL;
+    }
+}
+
+$cars = new Cars();
+$cars->set_name("Honda");
+echo $cars->get_name() . PHP_EOL;
+echo $cars->age . PHP_EOL;
+
+
+#Notes => Accessing protected property
+#Protected properties or methods. you can only access within class.
+#Outside class you can't access the protected properties and methods.
+#But using public method in call you can access protected properties or methods
+
+#echo $cars->api_key; // this will generate error, bcuz trying to access protected property outside of class.. you can test removing comment
+#echo $cars->get_set_name(); // this will also generate error, bcuz trying to access protected method outside of class.. you can test removing comment
+
+#Notes => Accessing protected property or method
+# You can access protected property or method using public method in a class
+echo $cars->access_protected();
+
+
+#echo $cars->pwd; // this will generate error, bcuz trying to access private property outside of class.. you can test removing this comment
+echo $cars->access_private(); // this will also generate error, bcuz trying to access private method outside of class.. you can test removing comment
+
+
+$intcars = new Cars("Bajaj"); //initiate parameter
+echo $intcars->get_name() . PHP_EOL;
+
+#Notes => Modifying Public values
+# Public properties means, User can access public propeties anywhere or he can modify the property value by using objects
+
+$cars->age = 46; // this is the example of modify age value if it is public property
+echo $cars->age . PHP_EOL;
+
+
+#Notes => Accessing constants
+# Accessing const values in two different types 
+# method we call scope resultion operator ::
+
+echo $cars::CAR_SPAN_YEARS . PHP_EOL; //scope resultion operator
+
+
+echo cars::CAR_SPAN_YEARS . PHP_EOL; //with class name
+
+
+
+
+echo "example of extends or inhertance\n";
+class Vechils extends Cars
+{
+    public static $static_property = "one";
+    public function change_name($n)
+    {
+        $this->name = $n;
+    }
+
+
+    #if you declare same method as you used on parent class, It will override the parent class.
+    public function add_sum()
+    {
+        return 8 * 8;
+    }
+
+
+    public static function static_method()
+    {
+        #notes: accessing static property with key word of "self" instead of "this"
+        return self::$static_property;
+    }
+
+    public static function parent_static_method()
+    {
+        #notes: when you accssing parent static property you need to use "parent" instead of "self"
+        return parent::$chk;
+    }
+}
+
+$cars = new Cars();
+$cars->set_name("Honda");
+echo $cars->get_name() . PHP_EOL;
+echo $cars->add_sum() . PHP_EOL;
+
+
+
+$Vechils = new Vechils();
+$Vechils->change_name("TATA");
+echo $Vechils->get_name() . PHP_EOL;
+echo $Vechils->add_sum() . PHP_EOL;
+
+$child_intcars = new Vechils("KIA"); //child initiate parameter
+echo $child_intcars->get_name() . PHP_EOL;
+
+
+#nots: Calling static properties
+#you can call it directly using class name
+echo Vechils::$static_property . PHP_EOL;
+echo Vechils::static_method() . PHP_EOL;
+echo Vechils::parent_static_method() . PHP_EOL;
+
+
+
+#Working on multiple constructors
+
+class book
+{
+    public $name;
+    public $price;
+    function __construct($temName = "", $tempPrice = "")
+    {
+        echo "This is Book class constructor";
+        $this->name = $temName;
+        $this->price = $tempPrice;
+    }
+
+    function get_book_name()
+    {
+        return $this->name;
+    }
+}
+
+class author extends book
+{
+    public $authorName;
+    public $age;
+
+    function __construct($tempAuthor = "") // Multiple constructor, bcoz we already have constructor on parent class
+    {
+        echo "This is author class constructor" . PHP_EOL;
+        $this->authorName = $tempAuthor;
+
+        parent::__construct();
+    }
+
+    function get_author_name()
+    {
+        return $this->authorName;
+    }
+}
+
+$author = new author("Siddhartha");
+echo $author->get_author_name();
+
+
+// echo "example of abstract\n";
+// abstract class Trees
+// {
+//     public $name;
+
+//     public function set_tree_name($a)
+//     {
+//         $this->name = $a;
+//     }
+
+//     public function get_name()
+//     {
+//         return $this->name;
+//     }
+// }
+
+// $trees = new Trees();
+// $trees->set_tree_name("Honda");
+// echo $trees->get_name();

php_scripts/php_classes/creating_class.php

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+<?php 
+echo "Siddhu";

siddhu_notes/codesponsors_articles/codesponsors-prismjs.txt

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+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/themes/prism.min.css" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/plugins/line-numbers/prism-line-numbers.min.css" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/plugins/toolbar/prism-toolbar.min.css" />
+
+<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/prism.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/components/prism-markup.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/components/prism-php-extras.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/components/prism-php.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/components/prism-python.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/components/prism-javascript.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/components/prism-markup-templating.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/plugins/line-highlight/prism-line-highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/plugins/line-numbers/prism-line-numbers.min.js"></script>
+
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/plugins/toolbar/prism-toolbar.min.js"></script>
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/plugins/copy-to-clipboard/prism-copy-to-clipboard.min.js"></script>
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.15.0/plugins/show-language/prism-show-language.min.js"></script>
+
+<script>
+        /* Prism copy to clipbaord for all pre with copytoclipboard class */
+        $('pre.copytoclipboard').each(function () {
+            $this = $(this);
+            $button = $('<button>Copy</button>');
+            $this.wrap('<div/>').removeClass('copytoclipboard');
+            $wrapper = $this.parent();
+            $wrapper.addClass('copytoclipboard-wrapper').css({position: 'relative'})
+            $button.css({position: 'absolute', top: 10, right: 10}).appendTo($wrapper).addClass('copytoclipboard btn btn-default');
+            /* */
+            var copyCode = new Clipboard('button.copytoclipboard', {
+                target: function (trigger) {
+                    return trigger.previousElementSibling;
+                }
+            });
+            copyCode.on('success', function (event) {
+                event.clearSelection();
+                event.trigger.textContent = 'Copied';
+                window.setTimeout(function () {
+                    event.trigger.textContent = 'Copy';
+                }, 2000);
+            });
+            copyCode.on('error', function (event) {
+                event.trigger.textContent = 'Press "Ctrl + C" to copy';
+                window.setTimeout(function () {
+                    event.trigger.textContent = 'Copy';
+                }, 2000);
+            });
+        });
+</script>