<?php
$previous = NULL;
function call() {
var_dump( __FUNCTION__ );
}
set_error_handler( 'call' );
trigger_error( 'some message 1', E_USER_NOTICE );
$previous = set_error_handler( function() use( $previous ) {
// note that previous is null, because of association sequence
var_dump( __FUNCTION__ );
} );
trigger_error( 'some message 2', E_USER_NOTICE );
var_dump( set_error_handler( NULL ) );
trigger_error( 'some message 3', E_USER_NOTICE );
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- string(4) "call"
string(9) "{closure}"
object(Closure)#1 (1) {
["static"]=>
array(1) {
["previous"]=>
NULL
}
}
Notice: some message 3 in /in/vmGgL on line 14
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
- string(4) "call"
string(9) "{closure}"
string(9) "{closure}"
NULL
string(9) "{closure}"
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/vmGgL on line 8
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, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/vmGgL on line 8
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/vmGgL on line 8
Process exited with code 255.
preferences:
261.1 ms | 401 KiB | 356 Q