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Commit 53395da

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committed
adding more functions
1 parent 7ef288f commit 53395da

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4 files changed

+253
-0
lines changed

4 files changed

+253
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lines changed

‎array_map.php‎

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<?php
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// array_map
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$names = [
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"reza",
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"hamid",
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"ali",
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"farzad",
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"reza",
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"abbas",
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"amirreza",
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"far"
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];
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array_map(function($name) {
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echo strtoupper($name) . "\n";
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}, $names);
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print "==============\n";
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$my_function = function($name) {
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echo strtoupper($name) . "\n";
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};
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array_map($my_function, $names);
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print "==============\n";
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$names = array_map(function($name) {
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return strtoupper($name);
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}, $names);
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print "==============\n";
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$names = [
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"reza",
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"hamid",
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"ali",
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"farzad",
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"reza",
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"abbas",
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"amirreza",
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"far"
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];
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$names = array_map("strtoupper", $names);
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print_r($names);
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exit();
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print "==============\n";
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$numbers = [
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1,
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2,
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3,
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4,
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5,
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6,
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7,
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8,
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9,
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10
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];
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$multiply = function($number) {
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return $number * 10;
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};
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$a = array_map($multiply, $numbers);
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print_r($a);
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$a = [];
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foreach ($numbers as $i => $number) {
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$a[$i] = $multiply($number);
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}

‎call_user_func.php‎

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<?php
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// call_user_func
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function my_function() {
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echo "Hello World!";
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}
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call_user_func("my_function");
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//////////////////
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function my_function2() {
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echo "22222";
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}
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function my_function4() {
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echo "44444";
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}
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function my_function6() {
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echo "66666";
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}
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for ($i=2; $i<=6; $i+=2) {
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call_user_func("my_function$i");
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}
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$fn_name = "my_function4";
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$fn_name();
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$i = 6;
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$fn_name = "my_function$i";
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$fn_name();
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my_function4();
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// Error: my_function$i();
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for ($i=1; $i<=100; $i++) {
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${"age$i"} = $i * 100;
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}
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print $age1."\n";
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print $age2."\n";
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print $age3."\n";
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// ${"my_function2"}();
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print "\n----------------\n";
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"my_function2"();
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print "\n";
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("my_function2")();

‎function.php‎

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<?php
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// function
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function my_function() {
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echo "Hello World!";
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}
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my_function();
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// call back function
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$second = function() {
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echo "Hello World!";
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};
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$second();
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$sum = function($a, $b) {
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return $a + $b;
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};
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echo $sum(1, 2);
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echo "===================\n";
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function my($number1, $number2, $fn) {
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$result = $fn($number1, $number2);
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$result = $result * 10;
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echo $result . "\n";
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}
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my(1, 2, function($a, $b) {
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return $a + $b;
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});
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my(1, 2, function($a, $b) {
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return $a * $b;
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});
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my(1, 2, function($a, $b) {
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return $a - $b;
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});
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my(1, 2, function($a, $b) {
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});
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// Run it!
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// function() {
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// print "Hey!\n";
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// }();
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(function() {
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print "Hey!\n";
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})();
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(function($name) {
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print "Hey $name!\n";
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})("Reza");
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$sayHey = function($name) {
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print "Hey $name!\n";
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};
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$sayHey("Rey");
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unset($sayHey);

‎strtr.php‎

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<?php
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// strtr
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$str = "Hello World!";
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print strlen($str) . "\n";
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// string(12) "****o Wor*d!"
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// string(12) "*ello World!"
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// string(12) "Hello World!"
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// string(12) "***** W*r*d!"
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// string(12) "Hello World!"
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// string(12) "Hello World!"
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var_dump( strtr($str, "Hello", "****") );
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var_dump( strtr($str, "Hello", "*") );
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var_dump( strtr($str, "Hello", "") );
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var_dump( strtr($str, "Hello", "*********") );
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var_dump( strtr($str, "Hello", "Hello") );
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var_dump( strtr($str, "Hello", "Hello World!") );
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// string(12) "Hello Worl*!"
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// string(12) "Hello Worl*!"
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var_dump( strtr($str, "abcde", "****") );
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var_dump( strtr($str, "abcd", "*****") );
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// string(12) "****o Wor*d!"
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var_dump( strtr($str, "Hello", "**e*") );
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// string(12) "**eeo Wored!"
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var_dump( strtr($str, "Hello", "***e") );
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// $action = [
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// "a" => "!",
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// "b" => "@",
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// "c" => "#"
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// ];
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// var_dump( strtr($str, $action) );
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$pairs = [
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"h" => "-",
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"hello" => "hi",
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"hi" => "hello"
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];
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// hello all, I said hi
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// hello all, I said hi
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// hello all, I said hi -
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// hello all, I said hi - -o
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echo strtr("hi all, I said hello h ho", $pairs);
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// The two modes of behavior are substantially different.
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// With three arguments, strtr() will replace bytes; with two,
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// it may replace longer substrings.
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print "\n";
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$pairs = [
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"h" => "-",
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"hilow" => "SSSSS",
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"hi" => "hello"
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];
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echo strtr("hi all, I said hello h ho", $pairs);
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// hello all, I said -ello - -o
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print "\n";
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echo strtr("hi all, I said hilow hiloX h ho", $pairs);
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// hello all, I said SSSSS - -o
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print "\n===================\n";
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$dict = [
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"hello" => "سلام",
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"bye" => "خداحافظ",
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"how are you" => "چطوری؟",
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"hey" => "هوی!"
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];
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echo strtr("hello bye how are you hey", $dict);
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// سلام خداحافظ چطوری؟ هوی!

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