<?php
function isJson2($string) {
try {
json_decode($string);
}
catch (ErrorException $e) {
return FALSE;
}
return (json_last_error() == JSON_ERROR_NONE);
}
/**
* Checks whether a string is valid JSON.
*
* @param string $string
* @return boolean
*/
function isJson($string) {
// Make sure the string is not empty and whether it is a string.
if(!empty($string) && is_string($string)) {
json_decode($string);
return (json_last_error() == JSON_ERROR_NONE);
}
return false;
}
$a=['arraiii'=>['dentro'=>234]];
$b=json_encode('asdf');
$c='';
var_export($b);
var_dump(isJson($b));
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- '"asdf"'bool(true)
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/JXKqF on line 35
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/JXKqF on line 35
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected '{' in /in/JXKqF on line 5
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
- Parse error: parse error, unexpected '{' in /in/JXKqF on line 5
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/JXKqF on line 5
Process exited with code 255.
preferences:
266.26 ms | 401 KiB | 365 Q