Kazi is_uploaded_file

Kazi is_uploaded_file inakagua ikiwa faili maalum ilipakiwa kupitia ombi la POST. Huu ni ukaguzi muhimu wa usalama wakati wa kufanya kazi na faili zinazopakiwa. Kazi inakubua parameta moja - nia ya faili inayokaguliwa, na kurudisha true, ikiwa faili ilipakiwa kupitia POST, na false ikiwa sivyo.

Mtindo

is_uploaded_file(string $filename): bool

Mfano

Wacha tukague ikiwa faili ilipakiwa kupitia fomu:

<?php
	if (is_uploaded_file($_FILES['userfile']['tmp_name'])) {
		echo 'Faili ilipakiwa kupitia HTTP POST';
	} else {
		echo 'Faili HAKUKUpakiwa kupitia HTTP POST';
	}
?>

Mfano

Matumizi ya kazi kwa kuchanganya na move_uploaded_file:

<?php
	$temp_file = $_FILES['userfile']['tmp_name'];
	$target_file = 'uploads/' . $_FILES['userfile']['name'];
	
	if (is_uploaded_file($temp_file)) {
		move_uploaded_file($temp_file, $target_file);
		echo 'faili ilipakiwa kwa mafanikio';
	} else {
		echo 'shinikizo la upakiaji faili linawezekana';
	}
?>

Tazama pia

kazi move_uploaded_file,
ambayo inasogeza faili ilipakiwa kwa usalama
kazi file_exists,
ambayo inakagua uwepo wa faili (lakini si zile zilizopakiwa tu)
kazi tmpfile,
ambayo inaunda faili la muda
kazi is_file,
ambayo inakagua faili