php throw exception

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Malena
09 Apr 2019
1function inverso($x) {
2    if (!$x) {
3        throw new Exception('Zero division.');
4    }
5    return 1/$x;
6}
7
8try {
9    echo inverso(5) . "\n";
10    echo inverso(0) . "\n";
11} catch (Exception $e) {
12    echo 'and the error is: ',  $e->getMessage(), "\n";
13}
source
Brendan
10 Aug 2020
1
2<?php
3function inverse($x) {
4    if (!$x) {
5       throw new Exception('Division durch Null.');
6    }
7    return 1/$x;
8}
9
10try {
11    echo inverse(5) . "\n";
12    echo inverse(0) . "\n";
13} catch (Exception $e) {
14    echo 'Exception abgefangen: ',  $e->getMessage(), "\n";
15}
16
17// Ausführung fortsetzen
18echo "Hallo Welt\n";
19?>
20
21
Frieda
07 Mar 2020
1Try catch comes under exception handeling concept where using this we control the runtime error and modify the message as we want.
2
3// function created with exception throw
4function checkdata($number){
5	if($number > 10){
6    	throw new Exception("Number is greater than 10");
7    }
8    return true;
9}
10
11// try block starts
12try{
13	checkdata(15);
14  	echo "The number is below 10";
15}
16// catch block
17catch(Exception $e){
18	echo "Message :".$e->getMessage();
19}
20
21In above code if condition is not satisfied then it will throw exception and which gets caught by catch block and show the error message.
Yannick
27 Aug 2017
1trigger_error("Fatal error", E_USER_ERROR);
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