Usefull small examples
Hello world
<?php
echo "Hello1!\n";
echo var_dump($_REQUEST);
?>
<?
echo "Hello1!\n";
?>
Input args
<?php
// TODO
?>
ΠΠΎΠ΄Π½ΡΡΡ php ΡΠ΅ΡΠ²Π΅Ρ Π»ΠΎΠΊΠ°Π»ΡΠ½ΠΎ
php -S localhost:8000
Π Π°Π±ΠΎΡΠ° Ρ ΠΏΠ΅ΡΠ΅ΠΌΠ΅Π½Π½ΡΠΌΠΈ ΠΈ ΠΎΠ±ΡΠ΅ΠΊΡΠ°ΠΌΠΈ
echo var_dump($_REQUEST); // ΠΡΠ²Π΅ΡΡΠΈ ΡΠΎΠ΄Π΅ΡΠΆΠΈΠΌΠΎΠ΅ ΠΎΠ±ΡΠ΅ΠΊΡΠ°
$param = 1;
echo "Param = ", $param, "\n";
echo "Param = ".$param."\n";
Π‘ΠΈΡΡΠ΅ΠΌΠ½ΡΠ΅ ΠΏΠ΅ΡΠ΅ΠΌΠ΅Π½Π½ΡΠ΅
$_REQUEST β Π²ΡΠ΅ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡ Π·Π°ΠΏΡΠΎΡΠ°
$_REQUEST["someQueryParam"] -> 1 β https://example.com/?someQueryParam=1
$_SERVER β Π²ΡΠ΅ ΠΏΠ΅ΡΠ΅ΠΌΠ΅Π½Π½ΡΠ΅ ΡΠ΅ΡΠ²Π΅ΡΠ°
$_SERVER['DOCUMENT_ROOT'] β ΠΏΡΡΡ Π΄ΠΎ ~
ΠΠΎΠ΄ΠΊΠ»ΡΡΠΈΡΡ Π΄ΡΡΠ³ΠΎΠΉ ΡΠΊΡΠΈΠΏΡ
$filename = "some.php";
$filename = "some.jpg";
@include($filename); // Π΅ΡΠ΅ Π΅ΡΡΡ Π΄ΠΈΡΠ΅ΠΊΡΠΈΠ²Π° required.
try-catch
try {
// ...
}
} catch (Exception $e) {
echo 'ΠΡΠ±ΡΠΎΡΠ΅Π½ΠΎ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅: ', $e->getMessage(), "\n";
}
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