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PHP

PHP. http://www.w3schools.com/php / http://php.net/manual/ro/index.php. Primul PHP. <? php echo "Hello! Marinel "; ?>. Primul form. index.html. <html > < body > < form action="action.php" method="post"> < p>Your name: <input type="text" name="name" /></p >

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PHP

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  1. PHP http://www.w3schools.com/php/ http://php.net/manual/ro/index.php

  2. Primul PHP <?php echo "Hello! Marinel"; ?>

  3. Primul form index.html <html> <body> <form action="action.php" method="post"> <p>Your name: <input type="text" name="name" /></p> <p>Your age: <input type="text" name="age" /></p> <p><input type="submit" /></p> </form> </body> </html> action.php <?php echo "Hi ", $_POST['name'], "<br>"; echo "You are ", $_POST['age'], " years old."; ?>

  4. Generator numere prime generator_2.php <html> <head> <title>Generator de numere prime</title> </head> <body> <h1>Generator de numere prime in linie</h1> <?php if(isset($_POST['contor'])) { $contor=$_POST['contor']; echo "Generezprimele ", $contor, " numere prime:<br><br>"; echo "2"; $i=1; $nr=3; while ($i < $contor) { $sqrt=(int) sqrt($nr); $prim=1; for ($j=3; $j<=$sqrt; $j=$j+2) { if ($nr % $j == 0) { $prim=0; break; } } if ($prim==1) { echo ", ", $nr; $i++; } $nr = $nr + 2; } } else { ?> <form name="input" action="" method="POST"> <p> Genereazaprimele <input type="number" name="contor" min="1" max="10000" /> numere prime. </p> <input type="submit" value="Genereaza!" /> </form> <?php } ?> </body> </html>

  5. generator_3.php Generator numere prime <html><head> <title>Generator de numere prime</title> </head> <body> <h1>Generator de numere prime in tabel</h1> <?php if(isset($_POST['contor'])) { $contor=$_POST['contor']; $coloane=$_POST['coloane']; echo "Generezprimele ", $contor, " numere prime:<br><br>"; ?> <table border = '2'> <tr> <td>2</td> <?php $i=1; $nr=3; while ($i < $contor) { $sqrt=(int) sqrt($nr); $prim=1; for ($j=3; $j<=$sqrt && $nr%j; $j=$j+2); if ($j>$sqrt{ echo "<td>", $nr, "</td>"; $i++; if ($i % $coloane == 0) echo "</tr> <tr>"; } $nr = $nr + 2; } ?> </tr > </table> <?php } else { ?> <form name="input" action="" method="POST"> <p> Primele<input type="number" name="contor" min="1" max="10000" /> numere prime </p> <p> pe <input type="number" name="coloane" min="1" max="20" /> coloane. </p> <input type="submit" value="Genereaza!" /> </form> <?php } ?> </body></html>

  6. calculator_medii.php <html> <head> <title> Calculator de medii</title> </head> <body> <h1>Calculator de medii</h1> <?php if(isset($_POST['contor'])) { //Trebuiesagenerezcampuri $contor= $_POST['contor']; ?> <form name="input" action="" method="POST"> <?php for ($i=1; $i<=$contor; $i++) echo "<p> Media numarul " . $i . " este <input type='number' name='media" . $i ."' min='1' max='10' step='0.01' /> </p>"; ?> <input type="submit" value="Calculeaza!" /> </form> <?php } else if(isset($_POST['media1'])) { //Am primitmediile, voicalculasiafisamedia $i=1; $suma=0; while (isset($_POST["media" . $i])) { $suma+=$_POST["media" . $i]; $i++; } echo "Media generala a notelorintroduseeste " . ($suma/($i-1)); } else { ?> <form name="input" action="" method="POST"> <p> Vreausaintroduc <input type="number" name="contor" min="1" max="20" step="1" /> medii. </p> <input type="submit" value="Introdu!" /> </form> <?php } ?> </body> </html> Calculator medii

  7. Contorizarecuvinteşi caractere <html> <head> <title>Siruri de caractere</title> </head> <body> <h1>Siruri de caractere</h1> <?php if(isset($_POST['text'])) { $text=$_POST['text']; $lungime = strlen ($text); echo $text , "<br><hr><br>"; echo "Lungimeatextuluintroduseste de " , $lungime, " caractere! </br>"; $cuvinte= 0; for ($i=0; $i <=$lungime; $i++) { if ($text[$i] == ' ' || $text[$i] == '\n' || $text[$i] == '\t' ) $cuvinte++; } echo "Textul are " , $cuvinte, " cuvinte!</br>"; $cuvinte1=0; $tok = strtok($text, " \n\t"); while ($tok !== false) { $cuvinte1++; $tok = strtok(" \n\t"); } echo "Textul are " , $cuvinte1, " cuvinte (cu strtok)!</br>"; } else { ?> <form name="input" action="" method="POST"> <p> Introdu text aici: </p> <textarea name="text" rows="10" cols="40"> </textarea> </br> <input type="submit" value="Numara!" /> </form> <?php } ?> </body> </html> siruri_caractere.php

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